{"id":12703,"date":"2021-01-05T00:14:59","date_gmt":"2021-01-05T00:14:59","guid":{"rendered":"https:\/\/jhuesa.com\/tecnologias\/intercambio-ionico"},"modified":"2021-03-11T20:11:35","modified_gmt":"2021-03-11T20:11:35","slug":"echange-ions","status":"publish","type":"page","link":"https:\/\/jhuesa.com\/fr\/technologies\/echange-ions","title":{"rendered":"\u00c9change d&rsquo;ions"},"content":{"rendered":"[vc_row type=\u00a0\u00bbfull_width_background\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb bg_color=\u00a0\u00bb#0971ce\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb top_padding=\u00a0\u00bb7%\u00a0\u00bb bottom_padding=\u00a0\u00bb3%\u00a0\u00bb text_color=\u00a0\u00bblight\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb id=\u00a0\u00bbculture\u00a0\u00bb enable_gradient=\u00a0\u00bbtrue\u00a0\u00bb color_overlay=\u00a0\u00bb#0a0a0a\u00a0\u00bb color_overlay_2=\u00a0\u00bbrgba(10,10,10,0.8)\u00a0\u00bb overlay_strength=\u00a0\u00bb0.5&Prime; gradient_direction=\u00a0\u00bbtop_to_bottom\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbzoom-out-slow\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bbtop\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][divider line_type=\u00a0\u00bbNo Line\u00a0\u00bb custom_height=\u00a0\u00bb100&Prime; custom_height_phone=\u00a0\u00bb10&Prime;][vc_custom_heading text=\u00a0\u00bbTechnologies\u00a0\u00bb font_container=\u00a0\u00bbtag:p|font_size:20|text_align:right|color:%2379a7ce\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1615491949279{margin-bottom: -20px !important;}\u00a0\u00bb][vc_custom_heading text=\u00a0\u00bb\u00c9CHANGE D&rsquo;IONS\u00a0\u00bb font_container=\u00a0\u00bbtag:h1|font_size:34|text_align:right|color:%23ffffff\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbfull_width_background\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bb50px\u00a0\u00bb equal_height=\u00a0\u00bbyes\u00a0\u00bb content_placement=\u00a0\u00bbmiddle\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb bg_color=\u00a0\u00bb#ffffff\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb constrain_group_1=\u00a0\u00bbyes\u00a0\u00bb top_padding_tablet=\u00a0\u00bb8%\u00a0\u00bb bottom_padding_tablet=\u00a0\u00bb8%\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb id=\u00a0\u00bbhome\u00a0\u00bb overlay_strength=\u00a0\u00bb0.5&Prime; gradient_direction=\u00a0\u00bbtop_to_bottom\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb shape_type=\u00a0\u00bbstraight_section\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbpadding-2-percent\u00a0\u00bb column_padding_tablet=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_phone=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_position=\u00a0\u00bbright\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb zindex=\u00a0\u00bb100&Prime; gradient_direction=\u00a0\u00bbleft_t_to_right_b\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb2\/3&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb offset=\u00a0\u00bbvc_col-xs-12&Prime;][vc_row_inner column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb min_width=\u00a0\u00bb47vh\u00a0\u00bb][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb enable_border_animation=\u00a0\u00bbtrue\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb enable_animation=\u00a0\u00bbtrue\u00a0\u00bb animation=\u00a0\u00bbfade-in-from-bottom\u00a0\u00bb][divider line_type=\u00a0\u00bbNo Line\u00a0\u00bb custom_height=\u00a0\u00bb60&Prime; custom_height_phone=\u00a0\u00bb30&Prime;][vc_column_text css_animation=\u00a0\u00bbfadeInDownBig\u00a0\u00bb]Traitement d&rsquo;\u00e9limination des ions dissous dans l&rsquo;eau au travers de r\u00e9sines \u00e9changeuses d&rsquo;ions r\u00e9activ\u00e9es au moyen de r\u00e9g\u00e9n\u00e9rants.<br \/>\nLe principe de l&rsquo;\u00e9change d&rsquo;ions consiste en l&rsquo;\u00e9change d&rsquo;ions entre un solide et un liquide, au cours duquel il n&rsquo;y a pas de modification notable de la structure du solide.<br \/>\nL&rsquo;\u00e9change d&rsquo;ions \u00e9tant une r\u00e9action r\u00e9versible, le mat\u00e9riau d&rsquo;\u00e9change peut \u00eatre r\u00e9g\u00e9n\u00e9r\u00e9 pour d&rsquo;autres processus.<br \/>\nPrincipaux types:<\/p>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner column_margin=\u00a0\u00bb70px\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb top_padding=\u00a0\u00bb25&Prime; bottom_padding=\u00a0\u00bb15&Prime; text_align=\u00a0\u00bbleft\u00a0\u00bb][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb top_margin=\u00a0\u00bb-30&Prime; background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbsmall_desktop\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb enable_animation=\u00a0\u00bbtrue\u00a0\u00bb animation=\u00a0\u00bbfade-in-from-bottom\u00a0\u00bb]<div class=\"nectar-fancy-ul\" data-list-icon=\"steadysets-icon-arrow-right\" data-animation=\"true\" data-animation-delay=\"600\" data-color=\"accent-color\" data-spacing=\"default\" data-alignment=\"left\"> \n<ul>\n<li>D\u00e9min\u00e9ralisation\n<ul>\n<li><em>Cation \u2013 Anion<\/em><\/li>\n<li><em>Lit mixte<\/em><\/li>\n<\/ul>\n<\/li>\n<li>D\u00e9nitrification<\/li>\n<li>D\u00e9carbonatation<\/li>\n<li>D\u00e9calcification<\/li>\n<li>Autres<\/li>\n<\/ul>\n <\/div>[\/vc_column_inner][\/vc_row_inner][\/vc_column][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.5&Prime; width=\u00a0\u00bb1\/3&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb offset=\u00a0\u00bbvc_col-xs-12&Prime;][vc_row_inner column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb min_width_desktop=\u00a0\u00bb43vw\u00a0\u00bb min_width_tablet=\u00a0\u00bb50vw\u00a0\u00bb min_width_phone=\u00a0\u00bb50vw\u00a0\u00bb][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb top_margin_phone=\u00a0\u00bb-60&Prime; background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; background_image=\u00a0\u00bb6681&Prime; background_image_position=\u00a0\u00bbcenter center\u00a0\u00bb enable_bg_scale=\u00a0\u00bbtrue\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.5&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbro-reveal-from-right\u00a0\u00bb][divider line_type=\u00a0\u00bbNo Line\u00a0\u00bb custom_height=\u00a0\u00bb70vh\u00a0\u00bb custom_height_tablet=\u00a0\u00bb40vh\u00a0\u00bb custom_height_phone=\u00a0\u00bb300px\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbfull_width_background\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb bg_color=\u00a0\u00bb#114984&Prime; scene_position=\u00a0\u00bbcenter\u00a0\u00bb top_padding=\u00a0\u00bb4%\u00a0\u00bb bottom_padding=\u00a0\u00bb1%\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overlay_strength=\u00a0\u00bb1&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb enable_animation=\u00a0\u00bbtrue\u00a0\u00bb animation=\u00a0\u00bbfade-in-from-bottom\u00a0\u00bb][vc_row_inner column_margin=\u00a0\u00bb90px\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb][vc_column_inner column_padding=\u00a0\u00bbpadding-3-percent\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bbtop-bottom\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/2&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb enable_animation=\u00a0\u00bbtrue\u00a0\u00bb animation=\u00a0\u00bbfade-in-from-bottom\u00a0\u00bb]<div class=\"iwithtext\"><div class=\"iwt-icon\"> <i class=\"icon-default-style fa fa-cog accent-color\"><\/i> <\/div><div class=\"iwt-text\"> \n<h3><span style=\"color: #ffffff;\">APPLICATIONS<\/span><\/h3>\n <\/div><div class=\"clear\"><\/div><\/div>[divider line_type=\u00a0\u00bbFull Width Line\u00a0\u00bb line_thickness=\u00a0\u00bb1&Prime; divider_color=\u00a0\u00bbextra-color-2&Prime; animate=\u00a0\u00bbyes\u00a0\u00bb custom_height=\u00a0\u00bb40&Prime;]<div class=\"nectar-fancy-ul\" data-list-icon=\"fa fa-check\" data-animation=\"true\" data-animation-delay=\"300\" data-color=\"extra-color-1\" data-spacing=\"default\" data-alignment=\"left\"> <span style=\"color: #ffffff;\">Voici quelques-unes des applications de l&rsquo;\u00e9change d&rsquo;ions:<\/span><\/p>\n<ul>\n<li><span style=\"color: #ffffff;\">En tant que post-traitement d&rsquo;autres proc\u00e9d\u00e9s, par exemple, l&rsquo;osmose inverse<\/span><\/li>\n<li><span style=\"color: #ffffff;\">Dans les proc\u00e9d\u00e9s industriels, associ\u00e9s \u00e0 divers secteurs:<\/span>\n<ul>\n<li><em><span style=\"color: #ffffff;\">Dans l&rsquo;industrie agroalimentaire<\/span><\/em><\/li>\n<li><em><span style=\"color: #ffffff;\">Dans l&rsquo;industrie chimique et pharmaceutique<\/span><\/em><\/li>\n<li><em><span style=\"color: #ffffff;\">Dans les secteurs de l&rsquo;\u00e9nergie, de l&rsquo;\u00e9lectronique et du nucl\u00e9aire<\/span><\/em><\/li>\n<li><em><span style=\"color: #ffffff;\">Pour le traitement de surfaces<\/span><\/em><\/li>\n<li><em><span style=\"color: #ffffff;\">Pour l&rsquo;approvisionnement de chaudi\u00e8res en eau<\/span><\/em><\/li>\n<\/ul>\n<\/li>\n<li><span style=\"color: #ffffff;\">Pour la potabilisation de l&rsquo;eau (\u00e9limination du perchlorate et de l&rsquo;uranium, entre autres)<\/span><\/li>\n<\/ul>\n <\/div>[\/vc_column_inner][vc_column_inner column_padding=\u00a0\u00bbpadding-3-percent\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bbtop-bottom\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; 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gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_gallery type=\u00a0\u00bbflickity_static_height_style\u00a0\u00bb images=\u00a0\u00bb7315,7316,7317,7318,7319,7320&Prime; flickity_spacing=\u00a0\u00bbdefault\u00a0\u00bb flickity_controls=\u00a0\u00bbpagination\u00a0\u00bb flickity_overflow=\u00a0\u00bbhidden\u00a0\u00bb flickity_wrap_around=\u00a0\u00bbwrap\u00a0\u00bb flickity_autoplay=\u00a0\u00bbtrue\u00a0\u00bb flickity_box_shadow=\u00a0\u00bbnone\u00a0\u00bb image_loading=\u00a0\u00bbdefault\u00a0\u00bb onclick=\u00a0\u00bblink_image\u00a0\u00bb][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbfull_width_content\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb equal_height=\u00a0\u00bbyes\u00a0\u00bb content_placement=\u00a0\u00bbmiddle\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overlay_strength=\u00a0\u00bb0.5&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbfade-in\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbpadding-5-percent\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color=\u00a0\u00bb#ffffff\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb enable_gradient=\u00a0\u00bbtrue\u00a0\u00bb color_overlay=\u00a0\u00bb#ffffff\u00a0\u00bb color_overlay_2=\u00a0\u00bb#efefef\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.5&Prime; width=\u00a0\u00bb1\/2&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb]<div class=\"iwithtext\"><div class=\"iwt-icon\"> <i class=\"icon-default-style linecon-icon-settings accent-color\"><\/i> <\/div><div class=\"iwt-text\"> \n<h3><span style=\"color: #0070cd;\">FONCTIONNEMENT<\/span><\/h3>\n <\/div><div class=\"clear\"><\/div><\/div>[divider line_type=\u00a0\u00bbNo Line\u00a0\u00bb custom_height=\u00a0\u00bb10&Prime;][vc_column_text css_animation=\u00a0\u00bbfadeInRightBig\u00a0\u00bb]Les \u00e9changeurs d&rsquo;ions sont des substances insolubles se pr\u00e9sentant sous forme de granul\u00e9s, comme de petites billes, appel\u00e9es r\u00e9sines, et qui sont capables d&rsquo;absorber des ions d&rsquo;une solution et de donner en retour une quantit\u00e9 \u00e9quivalente d&rsquo;un autre ion sans modification apparente de leur aspect physique ni de leur solubilit\u00e9.<br \/>\nCet \u00e9change ne fonctionne qu&rsquo;entre des ions de charges \u00e9lectriques \u00e9gales (cations pour les cations et anions pour les anions).[\/vc_column_text][divider line_type=\u00a0\u00bbNo Line\u00a0\u00bb custom_height=\u00a0\u00bb30&Prime;][vc_column_text css_animation=\u00a0\u00bbfadeInRightBig\u00a0\u00bb]<span style=\"font-weight: 400;\">La r\u00e9sine la plus courante est obtenue par copolym\u00e9risation du styr\u00e8ne et du divinylbenz\u00e8ne (DVB), qui se solidifient sous forme de sph\u00e8res dans lesquelles on ins\u00e8re le groupe d&rsquo;\u00e9change actif.<\/span>[\/vc_column_text][\/vc_column][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color=\u00a0\u00bb#ffffff\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; 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background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][image_with_animation image_url=\u00a0\u00bb6684&Prime; animation=\u00a0\u00bbFade In\u00a0\u00bb hover_animation=\u00a0\u00bbzoom\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb img_link_large=\u00a0\u00bbyes\u00a0\u00bb border_radius=\u00a0\u00bbnone\u00a0\u00bb box_shadow=\u00a0\u00bbnone\u00a0\u00bb image_loading=\u00a0\u00bbdefault\u00a0\u00bb max_width=\u00a0\u00bb100%\u00a0\u00bb max_width_mobile=\u00a0\u00bbdefault\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbfull_width_content\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb equal_height=\u00a0\u00bbyes\u00a0\u00bb content_placement=\u00a0\u00bbmiddle\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overlay_strength=\u00a0\u00bb0.5&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbfade-in\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbpadding-5-percent\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb enable_gradient=\u00a0\u00bbtrue\u00a0\u00bb color_overlay=\u00a0\u00bb#ffffff\u00a0\u00bb color_overlay_2=\u00a0\u00bb#efefef\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.5&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbzoom-out-high\u00a0\u00bb][vc_row_inner equal_height=\u00a0\u00bbyes\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column_text css_animation=\u00a0\u00bbfadeInDownBig\u00a0\u00bb]Ces r\u00e9sines ont une surface sp\u00e9cifique et une uniformit\u00e9 diff\u00e9rentes selon le type d&rsquo;application et le groupe de radicaux actif.<\/p>\n<table>\n<tbody>\n<tr>\n<td rowspan=\"2\"><span style=\"font-weight: 400;\">CATIONIQUES<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(C)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">FORTS (CF)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Groupes sulfoniques<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(R-SO3)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u00e9g\u00e9n\u00e9r\u00e9es avec du NaCl: Elles \u00e9changent des cations divalents et trivalents contre des ions sodium.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">R\u00e9g\u00e9n\u00e9r\u00e9es avec un acide fort: Elles \u00e9changent tous les types de cations contre des ions H+<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">FAIBLES (CD)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Groupes carboxyliques<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(R-COOH)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u00e9g\u00e9n\u00e9r\u00e9es avec un acide fort: Elles \u00e9changent des cations acides fables et hydroxydes faibles contre des ions H+<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\"><span style=\"font-weight: 400;\">ANIONIQUES<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(A)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">FORTS (AF)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Groupes ammonium quaternaire<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Elles \u00e9changent des anions acides forts et faibles (SiO2, CO2, acides organiques) contre des groupes OH-<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">FAIBLEMENT BASIQUES (AD)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Groupes ammonium tertiaire<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Elles \u00e9changent des anions acides forts (Cl-, SO4=, NO3) contre des groupes OH-<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">MOD\u00c9R\u00c9MENT BASIQUES<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Mixte entre les deux pr\u00e9c\u00e9dentes<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\"><span style=\"font-weight: 400;\">SP\u00c9CIAUX<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Macroporeuses<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Elles peuvent \u00eatre CF, CD, AF, AD et ont une meilleure r\u00e9sistance m\u00e9canique, thermique et aux oxydants<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u00e9lectrices de m\u00e9taux<\/span><\/td>\n<td><span style=\"font-weight: 400;\">CF r\u00e9g\u00e9n\u00e9r\u00e9es \u00e0 l\u2019aide d&rsquo;acide<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Absorbantes ou adsorbantes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">AF microporeuses retenant la mati\u00e8re organique et les collo\u00efdes. R\u00e9g\u00e9n\u00e9r\u00e9es avec du NaCl<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>La capacit\u00e9 d&rsquo;\u00e9change des r\u00e9sines sera diff\u00e9rente pour chaque type. Il s&rsquo;agit d&rsquo;une mesure du nombre total de sites actifs disponibles pour l&rsquo;\u00e9change (\u00e9quiv.\/L ou \u00e9quiv.\/kg). De plus, un changement de volume se produit.<\/p>\n<p>Les valeurs typiques pour les r\u00e9sines sous diff\u00e9rentes formes ioniques sont:[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner equal_height=\u00a0\u00bbyes\u00a0\u00bb column_margin=\u00a0\u00bb20px\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb][vc_column_inner column_padding=\u00a0\u00bbpadding-3-percent\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/2&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbfade-in\u00a0\u00bb enable_animation=\u00a0\u00bbtrue\u00a0\u00bb animation=\u00a0\u00bbfade-in\u00a0\u00bb delay=\u00a0\u00bb600&Prime;][image_with_animation image_url=\u00a0\u00bb6685&Prime; animation=\u00a0\u00bbFade In\u00a0\u00bb hover_animation=\u00a0\u00bbzoom\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb img_link_large=\u00a0\u00bbyes\u00a0\u00bb border_radius=\u00a0\u00bbnone\u00a0\u00bb box_shadow=\u00a0\u00bbnone\u00a0\u00bb image_loading=\u00a0\u00bbdefault\u00a0\u00bb max_width=\u00a0\u00bb100%\u00a0\u00bb max_width_mobile=\u00a0\u00bbdefault\u00a0\u00bb][\/vc_column_inner][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/2&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbfade-in\u00a0\u00bb enable_animation=\u00a0\u00bbtrue\u00a0\u00bb animation=\u00a0\u00bbfade-in\u00a0\u00bb delay=\u00a0\u00bb1000&Prime;][image_with_animation image_url=\u00a0\u00bb6861&Prime; animation=\u00a0\u00bbFade In\u00a0\u00bb hover_animation=\u00a0\u00bbnone\u00a0\u00bb alignment=\u00a0\u00bb\u00a0\u00bb border_radius=\u00a0\u00bbnone\u00a0\u00bb box_shadow=\u00a0\u00bbnone\u00a0\u00bb image_loading=\u00a0\u00bbdefault\u00a0\u00bb max_width=\u00a0\u00bb100%\u00a0\u00bb max_width_mobile=\u00a0\u00bbdefault\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbfull_width_content\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb top_padding=\u00a0\u00bb-50&Prime; text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overlay_strength=\u00a0\u00bb0.5&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbfade-in\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbpadding-5-percent\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bbleft-right\u00a0\u00bb background_color=\u00a0\u00bb#ffffff\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb enable_gradient=\u00a0\u00bbtrue\u00a0\u00bb color_overlay=\u00a0\u00bb#ffffff\u00a0\u00bb color_overlay_2=\u00a0\u00bb#efefef\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.5&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column_text css_animation=\u00a0\u00bbfadeInRightBig\u00a0\u00bb]Une fois la capacit\u00e9 d&rsquo;\u00e9change atteinte, on peut dire que la r\u00e9sine est \u00e9puis\u00e9e. Lorsque cela se produit, on proc\u00e8de \u00e0 sa r\u00e9g\u00e9n\u00e9ration. Il s\u2019agit d\u2019un ensemble d&rsquo;op\u00e9rations permettant le d\u00e9placement des ions retenus jusqu&rsquo;\u00e0 ce que la r\u00e9sine retrouve son \u00e9tat de charge initial.<\/p>\n<p>La premi\u00e8re op\u00e9ration du processus est le lavage \u00e0 contre-courant : de l&rsquo;eau est envoy\u00e9e vers le haut, ce qui provoque la d\u00e9compaction du lit et l&rsquo;\u00e9limination des \u00e9ventuelles particules qui auraient pu \u00eatre retenues. Cette op\u00e9ration est r\u00e9alis\u00e9e \u00e0 une vitesse critique fix\u00e9e par le fabricant de la r\u00e9sine.<\/p>\n<p>Ensuite, dans le sens du lavage, une solution r\u00e9g\u00e9n\u00e9rante est introduite, contenant:[\/vc_column_text]<div class=\"nectar-fancy-ul\" data-list-icon=\"icon-salient-thin-line\" data-animation=\"true\" data-animation-delay=\"600\" data-color=\"accent-color\" data-spacing=\"default\" data-alignment=\"left\"> \n<ul>\n<li>HCL ou HSO4 pour l&rsquo;\u00e9change de cations<\/li>\n<li>NaOH (soude caustique) pour l&rsquo;\u00e9change d&rsquo;anions<\/li>\n<\/ul>\n <\/div>[vc_column_text css_animation=\u00a0\u00bbfadeInRightBig\u00a0\u00bb]Cette op\u00e9ration est r\u00e9alis\u00e9e \u00e0 une concentration contr\u00f4l\u00e9e, sp\u00e9cifique dans chaque cas.<br \/>\nLe lit est ensuite lav\u00e9, ce lavage se compose de deux \u00e9tapes : un lavage lent dont l\u2019objectif est de s&rsquo;assurer que la solution r\u00e9g\u00e9n\u00e9rante atteint la totalit\u00e9 du lit, et un lavage rapide afin d\u2019\u00e9liminer toute trace de solution r\u00e9g\u00e9n\u00e9rante restante et de laisser la r\u00e9sine dans un \u00e9tat propre \u00e0 commencer un nouveau cycle de travail.<\/p>\n<p>Le processus se produisant durant la r\u00e9g\u00e9n\u00e9ration est le processus inverse \u00e0 celui de l&rsquo;\u00e9puisement.<\/p>\n[\/vc_column_text]<div class=\"nectar-fancy-ul\" data-list-icon=\"icon-salient-thin-line\" data-animation=\"true\" data-animation-delay=\"600\" data-color=\"accent-color\" data-spacing=\"default\" data-alignment=\"left\"> \n<ul>\n<li>Pour les r\u00e9sines cationiques: <strong>Na-R + HCl \u00a0 -&gt; \u00a0 H-R + NaCl<\/strong><\/li>\n<li>Pour les r\u00e9sines anioniques: <strong>Cl-R + NaOH \u00a0 -&gt; \u00a0 R-OH + NaCl<\/strong><\/li>\n<\/ul>\n <\/div>[vc_column_text css_animation=\u00a0\u00bbfadeInRightBig\u00a0\u00bb][\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbfull_width_content\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb equal_height=\u00a0\u00bbyes\u00a0\u00bb content_placement=\u00a0\u00bbmiddle\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overlay_strength=\u00a0\u00bb0.5&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbfade-in\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbpadding-5-percent\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bbleft-right\u00a0\u00bb background_color=\u00a0\u00bb#ffffff\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column_text css_animation=\u00a0\u00bbfadeInRightBig\u00a0\u00bb]Les eaux naturelles contiennent des ions calcium et magn\u00e9sium formant des sels peu solubles.<br \/>\nCes cations, parmi d&rsquo;autres cations moins courants comme le strontium ou le baryum, sont appel\u00e9s ions de duret\u00e9. Lorsque l&rsquo;eau s&rsquo;\u00e9vapore, ils peuvent pr\u00e9cipiter et former des solides.<\/p>\n<p>L&rsquo;eau dure provoque l&rsquo;entartrage et peut entra\u00eener une turbidit\u00e9, il est donc n\u00e9cessaire d&rsquo;\u00e9liminer ces composants dans la mesure du possible afin d\u2019obtenir une eau moins dure.<\/p>\n<p>Dans ce but, on utilise des r\u00e9sines \u00e9changeuses de cations fortement acides dans lesquelles l&rsquo;ion \u00e9changeable est le sodium Na, appel\u00e9es g\u00e9n\u00e9ralement r\u00e9sines cationiques \u00e0 cycle sodium.<\/p>\n<p>La r\u00e9action g\u00e9n\u00e9rale d&rsquo;\u00e9change dans le processus d&rsquo;adoucissement qui a lieu peut s&rsquo;exprimer comme suit:[\/vc_column_text][image_with_animation image_url=\u00a0\u00bb6867&Prime; animation=\u00a0\u00bbFade In\u00a0\u00bb hover_animation=\u00a0\u00bbzoom\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb border_radius=\u00a0\u00bbnone\u00a0\u00bb box_shadow=\u00a0\u00bbnone\u00a0\u00bb image_loading=\u00a0\u00bbdefault\u00a0\u00bb max_width=\u00a0\u00bb100%\u00a0\u00bb max_width_mobile=\u00a0\u00bbdefault\u00a0\u00bb][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbfull_width_content\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb equal_height=\u00a0\u00bbyes\u00a0\u00bb content_placement=\u00a0\u00bbmiddle\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overlay_strength=\u00a0\u00bb0.5&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbfade-in\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbpadding-5-percent\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bbleft-right\u00a0\u00bb background_color=\u00a0\u00bb#ffffff\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][divider line_type=\u00a0\u00bbNo Line\u00a0\u00bb][vc_column_text css_animation=\u00a0\u00bbfadeInRightBig\u00a0\u00bb]La r\u00e9sine \u00e0 cycle sodium (RNa) entre en contact avec les ions calcium et magn\u00e9sium (Ca2+, Mg2+) et les retient, c\u00e9dant des cations sodium \u00e0 l&rsquo;eau.[\/vc_column_text][image_with_animation image_url=\u00a0\u00bb6868&Prime; animation=\u00a0\u00bbFade In\u00a0\u00bb hover_animation=\u00a0\u00bbzoom\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb border_radius=\u00a0\u00bbnone\u00a0\u00bb box_shadow=\u00a0\u00bbnone\u00a0\u00bb image_loading=\u00a0\u00bbdefault\u00a0\u00bb max_width=\u00a0\u00bb100%\u00a0\u00bb max_width_mobile=\u00a0\u00bbdefault\u00a0\u00bb][vc_column_text css_animation=\u00a0\u00bbfadeInRightBig\u00a0\u00bb]Les cations sodium c\u00e9d\u00e9s par la r\u00e9sine se lient aux anions auxquels le calcium et le magn\u00e9sium \u00e9taient li\u00e9s, formant ainsi le m\u00eame sel sodique. Dans le cas des bicarbonates de calcium et de magn\u00e9sium, on a:<\/p>\n[\/vc_column_text][divider line_type=\u00a0\u00bbNo Line\u00a0\u00bb][image_with_animation image_url=\u00a0\u00bb6869&Prime; animation=\u00a0\u00bbFade In\u00a0\u00bb hover_animation=\u00a0\u00bbzoom\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb border_radius=\u00a0\u00bbnone\u00a0\u00bb box_shadow=\u00a0\u00bbnone\u00a0\u00bb image_loading=\u00a0\u00bbdefault\u00a0\u00bb max_width=\u00a0\u00bb100%\u00a0\u00bb max_width_mobile=\u00a0\u00bbdefault\u00a0\u00bb][divider line_type=\u00a0\u00bbNo Line\u00a0\u00bb][vc_column_text css_animation=\u00a0\u00bbfadeInRightBig\u00a0\u00bb]Lors de l&rsquo;adoucissement ou de la d\u00e9calcification, la salinit\u00e9 de l&rsquo;eau trait\u00e9e est la m\u00eame que celle de l&rsquo;eau \u00e0 traiter, \u00e0 la diff\u00e9rence que les sels qui contenaient les ions provoquant la duret\u00e9 sont transform\u00e9s en sels de sodium, tr\u00e8s solubles et sans propri\u00e9t\u00e9 entartrante.<\/p>\n<p>Pour le processus de r\u00e9g\u00e9n\u00e9ration de la r\u00e9sine, on utilisera une solution saline (chlorure de sodium):<\/p>\n[\/vc_column_text]<div class=\"nectar-fancy-ul\" data-list-icon=\"icon-salient-thin-line\" data-animation=\"false\" data-animation-delay=\"0\" data-color=\"accent-color\" data-spacing=\"default\" data-alignment=\"left\"> \n<ul>\n<li>Ca-R + 2NaCl -&gt; CaCl2 + Na2 R<\/li>\n<\/ul>\n <\/div>[\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p>[vc_row type=\u00a0\u00bbfull_width_background\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb bg_color=\u00a0\u00bb#0971ce\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb top_padding=\u00a0\u00bb7%\u00a0\u00bb bottom_padding=\u00a0\u00bb3%\u00a0\u00bb text_color=\u00a0\u00bblight\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb id=\u00a0\u00bbculture\u00a0\u00bb enable_gradient=\u00a0\u00bbtrue\u00a0\u00bb color_overlay=\u00a0\u00bb#0a0a0a\u00a0\u00bb color_overlay_2=\u00a0\u00bbrgba(10,10,10,0.8)\u00a0\u00bb overlay_strength=\u00a0\u00bb0.5&Prime; gradient_direction=\u00a0\u00bbtop_to_bottom\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbzoom-out-slow\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bbtop\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime;&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":12682,"menu_order":7,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-12703","page","type-page","status-publish"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.9 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u00c9change d&#039;ions - J. 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