{"id":12715,"date":"2021-01-05T00:16:53","date_gmt":"2021-01-05T00:16:53","guid":{"rendered":"https:\/\/jhuesa.com\/tecnologias\/pretratamientos"},"modified":"2021-03-23T19:43:03","modified_gmt":"2021-03-23T19:43:03","slug":"pretraitements","status":"publish","type":"page","link":"https:\/\/jhuesa.com\/fr\/technologies\/pretraitements","title":{"rendered":"Pr\u00e9-traitements eaux us\u00e9es"},"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; 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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_1615485520138{margin-bottom: -20px !important;}\u00a0\u00bb][vc_custom_heading text=\u00a0\u00bbPR\u00c9-TRAITEMENTS EAUX US\u00c9ES\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\u00bbdefault\u00a0\u00bb equal_height=\u00a0\u00bbyes\u00a0\u00bb content_placement=\u00a0\u00bbtop\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-3-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\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 zindex=\u00a0\u00bb100&Prime; gradient_direction=\u00a0\u00bbleft_t_to_right_b\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&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 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][vc_column_text css_animation=\u00a0\u00bbfadeInDownBig\u00a0\u00bb]C&rsquo;est le nom donn\u00e9 \u00e0 tous les proc\u00e9d\u00e9s de conditionnement des eaux us\u00e9es ou des effluents dont l&rsquo;objectif est de s\u00e9parer de l&rsquo;effluent la plus grande quantit\u00e9 possible de mati\u00e8res qui, de par leur nature ou leur taille, posent probl\u00e8me lors de traitements ult\u00e9rieurs.<br \/>\nTous les pr\u00e9-traitements sont effectu\u00e9s par des moyens physiques et, en fonction de leur objectif, les principaux syst\u00e8mes appliqu\u00e9s sont:[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][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 top_padding=\u00a0\u00bb15&Prime; bottom_padding=\u00a0\u00bb0&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 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><strong>Le d\u00e9grossissage<\/strong>: consiste \u00e0 retenir les solides les plus \u00e9pais (&gt;1mm), comme les plastiques, le bois, entre autres, dans le but de prot\u00e9ger les pompes et d&rsquo;\u00e9viter l\u2019obstruction des tuyaux et des vannes.<br \/>\nPour ce faire, l&rsquo;eau passe au travers de tamis ou de grilles.<\/li>\n<li><strong>Le tamisage<\/strong>: Consiste \u00e0 retenir les solides plus fins (0,25 \u2013 1 mm) dans le but de r\u00e9duire la charge contaminante de la mani\u00e8re la plus propre et la plus \u00e9conomique possible, ainsi que de prot\u00e9ger les processus de purification suivants.<\/li>\n<li><strong>Dessablage<\/strong> : consiste \u00e0 s\u00e9parer les graviers, le sable et les particules min\u00e9rales en suspension de l&rsquo;effluent, afin d&rsquo;\u00e9viter qu\u2019ils ne s\u00e9dimentent et ne surchargent les boues produites par la suite.<\/li>\n<\/ul>\n <\/div>[\/vc_column_inner][\/vc_row_inner][\/vc_column][vc_column column_padding=\u00a0\u00bbpadding-3-percent\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb top_margin_phone=\u00a0\u00bb-50&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\u00bb0.5&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 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 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\/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]<div class=\"nectar-fancy-ul\" data-list-icon=\"steadysets-icon-arrow-right\" data-animation=\"true\" data-animation-delay=\"0\" data-color=\"accent-color\" data-spacing=\"default\" data-alignment=\"left\"> \n<ul>\n<li><strong>D\u00e9graissage<\/strong>: comme son nom l&rsquo;indique, il consiste \u00e0 \u00e9liminer les graisses et les huiles de l&rsquo;effluent afin d\u2019\u00e9viter les probl\u00e8mes dans l&rsquo;\u00e9quipement et les processus suivants, comme cela se produit g\u00e9n\u00e9ralement dans le d\u00e9canteur et dans le processus \u00e0 boues actives (un exc\u00e8s d&rsquo;huiles et de graisses emp\u00eache la clarification par d\u00e9cantation et augmente inutilement la charge dans les processus suivants). Dans cette section, il convient de mentionner la s\u00e9paration des hydrocarbures, qui est utilis\u00e9e pour les eaux contamin\u00e9es par des huiles d\u2019origine v\u00e9g\u00e9tale pratiquement insolubles dans l&rsquo;eau. Cette technologie est obligatoire dans les stations-service, les tunnels de lavage automobiles et les ateliers m\u00e9caniques, entre autres. Elle garantit que la plupart des huiles, graisses et carburants ayant une densit\u00e9 inf\u00e9rieure \u00e0 celle de l&rsquo;eau flottent et sont s\u00e9par\u00e9s de celle-ci. Il existe 2 types de s\u00e9parateurs sur le march\u00e9 en fonction de leurs performances:\n<ul>\n<li><em>Classe 1: rejets d\u2019hydrocarbures &lt; 5 mg\/l<\/em><\/li>\n<li><em>Classe 2: rejets d\u2019hydrocarbures &lt; 100 mg\/l<\/em><\/li>\n<\/ul>\n<\/li>\n<li><strong>Homog\u00e9n\u00e9isation<\/strong>: cette op\u00e9ration est n\u00e9cessaire lorsqu&rsquo;il y a des variations ponctuelles de la quantit\u00e9 et de la qualit\u00e9 du rejet, n\u00e9cessitant la pr\u00e9sence d&rsquo;un r\u00e9servoir d&rsquo;homog\u00e9n\u00e9isation garantissant l&rsquo;alimentation continue de la station d&rsquo;\u00e9puration avec les avantages suppl\u00e9mentaires suivants:\n<ul>\n<li><em>Pr\u00e9vention de la survenue de pics de contamination<\/em><\/li>\n<li><em>Optimisation du dosage des produits chimiques<\/em><\/li>\n<li><em>\u00c9limination partielle de la charge contaminante<\/em><\/li>\n<\/ul>\n<\/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; 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