{"id":16780,"date":"2023-08-10T12:30:45","date_gmt":"2023-08-10T12:30:45","guid":{"rendered":"https:\/\/jhuesa.com\/?p=16780"},"modified":"2023-08-25T07:40:10","modified_gmt":"2023-08-25T07:40:10","slug":"re-engineering-water-treatment","status":"publish","type":"post","link":"https:\/\/jhuesa.com\/pt-pt\/re-engineering-water-treatment","title":{"rendered":"Re-engineering water treatment"},"content":{"rendered":"<p>One of the premises of success in the treatment of water, both in industrial processes and its<br \/>\npurification, is to accurately understand the production process of each sector we are dealing with,<br \/>\npaying special attention to the importance of the correct characterisation of the water and,<br \/>\nconsequently, the design of the treatment plants.<\/p>\n<p>Process re-engineering is key in our sector, in which knowledge of the latest generation of water<br \/>\ntreatment technologies and correct client-engineering feedback throughout the process guarantees<br \/>\ncorrect process re-engineering and prolongs the useful life of the manufactured products.<\/p>\n<p>Continuing in this line, today we are going to focus on several success stories of <span style=\"color: #0971ce;\">J. Huesa<\/span>\u00a0in which the close collaboration of the technical and after-sales departments of our company with those of our customers, has allowed us to offer a complete and typical solution in each of the sectors in which we<br \/>\noperate.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Resumen de Contenidos<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/jhuesa.com\/pt-pt\/re-engineering-water-treatment\/#CASE_1_SLAUGHTERHOUSE_SECTOR\" >CASE 1: SLAUGHTERHOUSE SECTOR<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/jhuesa.com\/pt-pt\/re-engineering-water-treatment\/#Background\" >Background<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/jhuesa.com\/pt-pt\/re-engineering-water-treatment\/#Objective\" >Objective<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/jhuesa.com\/pt-pt\/re-engineering-water-treatment\/#Adopted_solution\" >Adopted solution<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/jhuesa.com\/pt-pt\/re-engineering-water-treatment\/#CASE_2_RENDERING_SECTOR\" >CASE 2: RENDERING SECTOR<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/jhuesa.com\/pt-pt\/re-engineering-water-treatment\/#Background-2\" >Background<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/jhuesa.com\/pt-pt\/re-engineering-water-treatment\/#Objective-2\" >Objective<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/jhuesa.com\/pt-pt\/re-engineering-water-treatment\/#Adopted_solution-2\" >Adopted solution<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/jhuesa.com\/pt-pt\/re-engineering-water-treatment\/#CASE_3_AGRO-FOOD_SECTOR\" >CASE 3: AGRO-FOOD SECTOR<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/jhuesa.com\/pt-pt\/re-engineering-water-treatment\/#Background-3\" >Background<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/jhuesa.com\/pt-pt\/re-engineering-water-treatment\/#Objective-3\" >Objective<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/jhuesa.com\/pt-pt\/re-engineering-water-treatment\/#Adopted_solution-3\" >Adopted solution<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"CASE_1_SLAUGHTERHOUSE_SECTOR\"><\/span>CASE 1: SLAUGHTERHOUSE SECTOR<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Background\"><\/span>Background<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>At an initial stage of the process, our client&#8217;s facilities were audited and it was found that the existing treatment line of the WWTPi did not comply with the requirements for discharge into water courses.<\/p>\n<p>The discharge comes from 3 different streams:<\/p>\n<ul>\n<li>Brine<\/li>\n<li>Process lines (slaughterhouse)<\/li>\n<li>Water from the cleaning of stables (slurry)<\/li>\n<\/ul>\n<p>Dischargues through the processing line are carried out from Monday to friday, increasing the<br \/>\nslaughter days, which usually take place only two days a week, with an 8-hour shift. The<br \/>\ndischargue measurements for slaughter days are 15 and 19 m3.<\/p>\n<p>During the visit, the option of separating the brine line and managing it independently, not including it<br \/>\nin the WWTPi discharged, was presented to the client.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Objective\"><\/span>Objective<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>J. Huesa&#8217;s aim was to transform the existing line into one that complied with the requirements for<br \/>\ndischarge into the municipal sewer, adapting the existing equipment and including the necessary<br \/>\nones.<\/p>\n<p>To this end, the characteristics of the raw water of the water supplied to each of the two lines to be<br \/>\nconsidered were taken into account. Since the amount of discharge from each stream was unknown,<br \/>\nthe most unfavourable data for each line were taken as the design data.<\/p>\n<p>The requirements for treated water are as follows:<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"248\"><strong>Conductivity<\/strong><\/td>\n<td width=\"224\">3.500 \u03bcs\/cm2<\/td>\n<\/tr>\n<tr>\n<td width=\"248\"><strong>ph<\/strong><\/td>\n<td width=\"224\">5,5 &#8211; 9<\/td>\n<\/tr>\n<tr>\n<td width=\"248\"><strong>COD<\/strong><\/td>\n<td width=\"224\">1.400 mg\/L<\/td>\n<\/tr>\n<tr>\n<td width=\"248\"><strong>BOD<\/strong><\/td>\n<td width=\"224\">700 mg\/L<\/td>\n<\/tr>\n<tr>\n<td width=\"248\"><strong>Oils and fats<\/strong><\/td>\n<td width=\"224\">150 mg\/L<\/td>\n<\/tr>\n<tr>\n<td width=\"248\"><strong>SS<\/strong><\/td>\n<td width=\"224\">500 mg\/L<\/td>\n<\/tr>\n<tr>\n<td width=\"248\"><strong>Ammoniacal N<\/strong><\/td>\n<td width=\"224\">\u00a085 mg\/L<\/td>\n<\/tr>\n<tr>\n<td width=\"248\"><strong>Nitric N<\/strong><\/td>\n<td width=\"224\">65 mg\/L<\/td>\n<\/tr>\n<tr>\n<td width=\"248\"><strong>P total<\/strong><\/td>\n<td width=\"224\">\u00a030 mg\/L<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>In this regard, the following considerations had to be taken into account:<\/p>\n<ul>\n<li>The temperature of the biological reactor should be kept in the range 20-35 \u00baC.<\/li>\n<li>The capacity of the aeration system should be adequate to reach 125 mg\/l COD at the outlet.<\/li>\n<li>The A&amp;G concentration of the raw water should be less than 100 mg\/l<\/li>\n<li>The pH of the mixed liquor should be kept in the range 6.5 &#8211; 8.5.<\/li>\n<li>The biological treatment does not influence the conductivity of the raw water. However, it has to be<br \/>\nconfirmed that the conductivity of the raw water streams is within the law. In addition,<br \/>\nconductivities in the raw water above 7,500 \u03bcs\/cm2 are not recommended, as from this value<br \/>\nonwards the biological activity is reduced proportionally and becomes inactivated at the<br \/>\n15,000 \u03bcs\/cm2 horizon.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Adopted_solution\"><\/span>Adopted solution<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Finally, with j. Huesa\u00b4s work, we were able to transform the client\u00b4s old WWTPi into a treatment system<br \/>\nusing SBR (sequential biological reactor), making the most of existing equipment and thus reducing the<br \/>\ncost of the project.<\/p>\n<p>The parameters under which the new treatment plant was designed are:<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"248\"><strong>Design flow<\/strong><\/td>\n<td width=\"224\">10 m3\/d\u00eda<\/td>\n<\/tr>\n<tr>\n<td width=\"248\"><strong>Working hours industry<\/strong><\/td>\n<td width=\"224\">8 h\/d\u00eda<\/td>\n<\/tr>\n<tr>\n<td width=\"248\"><strong>Working hours WWTP<\/strong><\/td>\n<td width=\"224\">24 h\/d\u00eda<\/td>\n<\/tr>\n<tr>\n<td width=\"248\"><strong>Peak flow<\/strong><\/td>\n<td width=\"224\">4 m3\/h<\/td>\n<\/tr>\n<tr>\n<td width=\"248\"><strong>Used of treated water<\/strong><\/td>\n<td width=\"224\">Vertido<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The main components of the system are described below:<\/p>\n<ul>\n<li>Pumping and screening pit (existing), with a capacity of 1,500 l\/hour and a 1 mm beam.<\/li>\n<li>Biological treatment (existing), so that the existing pond is transformed into an SBR (sequential<br \/>\nbiological reactor), installing a system of agitation, biological control, and extraction of sludge and<br \/>\nclarified sludge consisting of:<\/li>\n<\/ul>\n<p style=\"padding-left: 40px;\">&#8211; Sumersible agitator<br \/>\n&#8211; pH and redox control<br \/>\n&#8211; Floating radial aerator (existing)<br \/>\n&#8211; Floating weir for clarified sludge extraction<br \/>\n&#8211; Sludge extraction pump<\/p>\n<ul>\n<li>Sludge line: sludge will only be accumulated in the existing decanter with a capacity of about 72 m3. With this capacity and the amount of sludge production (approximately 0.75 m3\/d),<br \/>\nthere is a hydraulic sludge retention time of 96 days, which allows sufficient autonomy for<br \/>\nsludge management.<\/li>\n<\/ul>\n<div id=\"attachment_16711\" style=\"width: 471px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-16711\" class=\"wp-image-16711 size-large\" src=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/Detalle-de-vertedero-flotante-jhuesa-461x1024.jpg\" alt=\"detalle vertedero flotante\" width=\"461\" height=\"1024\" srcset=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/Detalle-de-vertedero-flotante-jhuesa-461x1024.jpg 461w, https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/Detalle-de-vertedero-flotante-jhuesa-135x300.jpg 135w, https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/Detalle-de-vertedero-flotante-jhuesa-768x1706.jpg 768w, https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/Detalle-de-vertedero-flotante-jhuesa-691x1536.jpg 691w, https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/Detalle-de-vertedero-flotante-jhuesa-922x2048.jpg 922w, https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/Detalle-de-vertedero-flotante-jhuesa.jpg 1000w\" sizes=\"auto, (max-width: 461px) 100vw, 461px\" \/><p id=\"caption-attachment-16711\" class=\"wp-caption-text\"><strong>Detail of floating spillway<\/strong><\/p><\/div>\n<h2><span class=\"ez-toc-section\" id=\"CASE_2_RENDERING_SECTOR\"><\/span>CASE 2: RENDERING SECTOR<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Background-2\"><\/span>Background<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>On this occasion, we are dealing with a company in the rendering sector that has a tertiary treatment<br \/>\nsystem to use the water from the WWTPi in the cooling system of the production plant.<\/p>\n<p>After a series of technical assistance visits by the after-sales department of J. Huesa, it was found that the aeration system installed in the SBR aeration basin was not sufficient for the workload of the plant.<\/p>\n<p>Specifically, the following was observed:<\/p>\n<ul>\n<li>One of the turbines suffers repetitive incidents of overturning, and<\/li>\n<li>In addition, the installed aeration capacity is insufficient for the desired workload<\/li>\n<\/ul>\n<p>Both reasons generate an oxygen deficit in the reactor that limits the reuse capacity.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Objective-2\"><\/span>Objective<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>To establish the aeration system that guarantees the necessary aeration in the SBR basin installed at<br \/>\nthe client, so that its reuse capacity is not limited.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Adopted_solution-2\"><\/span>Adopted solution<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The technical team of J. Huesa has opted for the supply, installation and commissioning of 3 aerators<br \/>\nof 75 kW nominal power that make it possible to increase the treatment capacity of the biological<br \/>\nsystem in place.<\/p>\n<div id=\"attachment_16705\" style=\"width: 414px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-16705\" class=\"wp-image-16705 size-full\" src=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/DESCARGA-AIREADORES.jpg\" alt=\"descarga aireadores\" width=\"404\" height=\"404\" srcset=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/DESCARGA-AIREADORES.jpg 404w, https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/DESCARGA-AIREADORES-300x300.jpg 300w, https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/DESCARGA-AIREADORES-150x150.jpg 150w, https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/DESCARGA-AIREADORES-100x100.jpg 100w, https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/DESCARGA-AIREADORES-140x140.jpg 140w, https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/DESCARGA-AIREADORES-350x350.jpg 350w\" sizes=\"auto, (max-width: 404px) 100vw, 404px\" \/><p id=\"caption-attachment-16705\" class=\"wp-caption-text\"><strong>Detail of aerator<\/strong><\/p><\/div>\n<div id=\"attachment_16715\" style=\"width: 1010px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-16715\" class=\"wp-image-16715 size-full\" src=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/jhuesa-tratamiento-aguas.jpg\" alt=\"reingenieria \" width=\"1000\" height=\"750\" srcset=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/jhuesa-tratamiento-aguas.jpg 1000w, https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/jhuesa-tratamiento-aguas-300x225.jpg 300w, https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/jhuesa-tratamiento-aguas-768x576.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><p id=\"caption-attachment-16715\" class=\"wp-caption-text\"><strong>Detail of the commissioning<\/strong><\/p><\/div>\n<h2><span class=\"ez-toc-section\" id=\"CASE_3_AGRO-FOOD_SECTOR\"><\/span>CASE 3: AGRO-FOOD SECTOR<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Background-3\"><\/span>Background<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Our client, a leading brand in the manufacture of natural beverages, has a factory in Spain with a<br \/>\nprocess water treatment plant whose main sub-process is reverse osmosis fed by mains water.<\/p>\n<p>In an initial visit, the different elements of the water treatment plant were reviewed, among which we<br \/>\nhighlight:<\/p>\n<ul>\n<li>The storage tank for the mains water feeding the reverse osmosis lacked a continuous<br \/>\ndisinfection system. They have a capacity of 3 m3.<\/li>\n<li>The osmosis water storage tanks, which are mixed with the mains water to obtain the desired<br \/>\nquality, also lack a continuous disinfection system<\/li>\n<li>Before being used as raw material, the treated water is passed through an ultraviolet system with a capacity of 87W.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Objective-3\"><\/span>Objective<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>To establish a disinfection system that guarantees the absence of pathogens in the feed water<br \/>\nused in the manufacture of beverages.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Adopted_solution-3\"><\/span>Adopted solution<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>On this occasion, a recirculation and ultraviolet disinfection system was chosen:<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"248\"><strong>Design flow<\/strong><\/td>\n<td width=\"224\">8 m3\/day<\/td>\n<\/tr>\n<tr>\n<td width=\"248\"><strong>Radiation dosis<\/strong><\/td>\n<td width=\"224\">46 mJ\/cm2<\/td>\n<\/tr>\n<tr>\n<td width=\"248\"><strong>UV unit power<\/strong><\/td>\n<td width=\"224\">105 W<\/td>\n<\/tr>\n<tr>\n<td width=\"248\"><strong>Recirculation hours<\/strong><\/td>\n<td width=\"224\">24 hours\/day<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>Since the hydraulic retention time in the mains water storage tank is low, a recirculation<br \/>\nsystem is not required.<\/li>\n<li>However, in the osmosis water storage tanks the retention time is quite long, so we<br \/>\nrecommend a continuous disinfection system.<\/li>\n<li>We have opted for an ultraviolet radiation system with a continuous recirculation system, 24<br \/>\nhours\/day, which is the most technically and economically effective option.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<div id=\"attachment_16719\" style=\"width: 1010px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-16719\" class=\"wp-image-16719 size-full\" src=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/jhuesa-reingenieria.jpg\" alt=\"Detalle del skid con lampara de UV \" width=\"1000\" height=\"912\" srcset=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/jhuesa-reingenieria.jpg 1000w, https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/jhuesa-reingenieria-300x274.jpg 300w, https:\/\/jhuesa.com\/wp-content\/uploads\/2023\/07\/jhuesa-reingenieria-768x700.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><p id=\"caption-attachment-16719\" class=\"wp-caption-text\"><strong>Detail of the skid with UV lamp<\/strong><\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>One of the premises of success in the treatment of water, both in industrial processes and its purification, is to accurately understand the production process of each sector we are&#8230;<\/p>\n","protected":false},"author":5,"featured_media":16838,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[295,135,340,420,352,161,315],"class_list":{"0":"post-16780","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-news","8":"tag-agroalimentario-pt-pt","9":"tag-agrofood-pt-pt","10":"tag-reutilizacion-en-pt-pt","11":"tag-slaughtering-pt-pt","12":"tag-tratamiento-de-aguas-pt-pt","13":"tag-waste-water-pt-pt","14":"tag-water-reuse-pt-pt"},"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>Re-engineering water treatment - J. 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