{"id":19486,"date":"2026-03-23T08:13:17","date_gmt":"2026-03-23T08:13:17","guid":{"rendered":"https:\/\/jhuesa.com\/?p=19486"},"modified":"2026-03-23T08:13:17","modified_gmt":"2026-03-23T08:13:17","slug":"water-reuse-in-the-rendering-industry","status":"publish","type":"post","link":"https:\/\/jhuesa.com\/fr\/water-reuse-in-the-rendering-industry","title":{"rendered":"Water reuse in the rendering industry: new project carried out by J. Huesa"},"content":{"rendered":"<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\/fr\/water-reuse-in-the-rendering-industry\/#Introduction_commitment_to_water_efficiency_in_the_rendering_industry\" >Introduction: commitment to water efficiency in the rendering industry<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/jhuesa.com\/fr\/water-reuse-in-the-rendering-industry\/#Characterization_of_effluent_and_customer_requirements\" >Characterization of effluent and customer requirements<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/jhuesa.com\/fr\/water-reuse-in-the-rendering-industry\/#Technical_description_of_the_designed_MBR_solution\" >Technical description of the designed MBR solution<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/jhuesa.com\/fr\/water-reuse-in-the-rendering-industry\/#Benefits_obtained_by_the_customer\" >Benefits obtained by the customer<\/a><\/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\/fr\/water-reuse-in-the-rendering-industry\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction_commitment_to_water_efficiency_in_the_rendering_industry\"><\/span>Introduction: commitment to water efficiency in the rendering industry<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The rendering industry faces complex challenges in water management due to the high organic load, presence of fats and variability of the effluent. In this context, at <span style=\"color: #0b71ce;\"><strong>J. Huesa<\/strong><\/span> we have designed, custom-built, implemented and commissioned an effluent treatment plant that provides a comprehensive solution for a client in the sector located in Seville.<\/p>\n<p>After a rigorous process of on-site testing and pilot trials at our facilities, we defined the optimal technology capable of guaranteeing the water quality required for internal reuse. The result: a WWTP equipped with MBR technology, with a treatment flow rate of 300 m\u00b3\/day, designed to convert complex waste into a strategic resource for industrial activity.<\/p>\n<p>In this success story, <span style=\"color: #0b71ce;\"><strong>J. Huesa<\/strong><\/span> has taken on all phases of the project:<\/p>\n<p>\u2022 Detailed engineering (following the pilot tests carried out)<br \/>\n\u2022 Manufacture and supply of equipment.<br \/>\n\u2022 Systems integration and automation.<br \/>\n\u2022 Installation at the plant.<br \/>\n\u2022 Commissioning and operational optimisation.<\/p>\n<p>This comprehensive approach guarantees the customer a <a href=\"https:\/\/jhuesa.com\/fr\/activite\/projets-cles-en-main\">turnkey solution, customised and supported<\/a> by our technical team throughout the system&rsquo;s life cycle.<\/p>\n<div id=\"attachment_19451\" style=\"width: 1034px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-19451\" class=\"wp-image-19451 size-full\" src=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/PM-KAURA-2025-1.jpg\" alt=\"Water reuse in the rendering industry\" width=\"1024\" height=\"768\" srcset=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/PM-KAURA-2025-1.jpg 1024w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/PM-KAURA-2025-1-300x225.jpg 300w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/PM-KAURA-2025-1-768x576.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-19451\" class=\"wp-caption-text\">J. Huesa&rsquo;s work team during commissioning<\/p><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Characterization_of_effluent_and_customer_requirements\"><\/span>Characterization of effluent and customer requirements<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The industrial process of producing fats and proteins for animal feed generates highly polluting waste streams. Among the most critical parameters identified are high COD, nitrogen, oils and fats, and suspended solids. The client needed a robust solution that would ensure compliance with environmental requirements and allow part of the treated water to be reused for watering green areas and as feed water for cooling towers.<\/p>\n<p>We started from an initial situation in which, after biological treatment, the effluent was clarified using a DAF, obtaining the following average values for the effluent:<\/p>\n<table border=\"1\">\n<caption>\u00a0<\/caption>\n<tbody>\n<tr>\n<th>Parameter<\/th>\n<th>Average value<\/th>\n<\/tr>\n<tr>\n<td>pH<\/td>\n<td>7,7<\/td>\n<\/tr>\n<tr>\n<td>Conductivity (\u03bcS\/cm)<\/td>\n<td>5.602,2<\/td>\n<\/tr>\n<tr>\n<td>COD (mg O<sub>2<\/sub>\/l)<\/td>\n<td>219,2<\/td>\n<\/tr>\n<tr>\n<td>SS (mg\/l)<\/td>\n<td>19,3<\/td>\n<\/tr>\n<tr>\n<td>Oils and Fats\u00a0(mg\/l)<\/td>\n<td>41,3<\/td>\n<\/tr>\n<tr>\n<td>Ntotal (mg\/l)<\/td>\n<td>638,4<\/td>\n<\/tr>\n<tr>\n<td>Ptotal (mg\/l)<\/td>\n<td>1,5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<div id=\"attachment_19463\" style=\"width: 1610px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-19463\" class=\"wp-image-19463 size-full\" src=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/sistema-de-aireacion.jpg\" alt=\"Water reuse in the rendering industry\" width=\"1600\" height=\"1200\" srcset=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/sistema-de-aireacion.jpg 1600w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/sistema-de-aireacion-300x225.jpg 300w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/sistema-de-aireacion-1024x768.jpg 1024w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/sistema-de-aireacion-768x576.jpg 768w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/sistema-de-aireacion-1536x1152.jpg 1536w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><p id=\"caption-attachment-19463\" class=\"wp-caption-text\">View of the customer&rsquo;s existing ventilation system<\/p><\/div>\n<p>The pilot tests carried out, both at the customer&rsquo;s facilities and at <span style=\"color: #0b71ce;\"><strong>J. Huesa&rsquo;s<\/strong><\/span> R&amp;D&amp;I laboratory, using tubular ultrafiltration MBR technology, showed the following key performance results:<\/p>\n<ul>\n<li>SS &lt; 10 mg\/L<\/li>\n<li>Oils and Fats &lt; 10 mg\/L<\/li>\n<li>The reduction in COD will be associated with suspended solids, oils and fats removed by the MBR. A reduction of up to 50% was achieved.<\/li>\n<\/ul>\n<p>The pilot tests carried out showed that the presence of fats and fine solids complicated clarification and that the quality required for reuse demanded higher-performance technology. This led to the solution evolving towards an MBR.<\/p>\n<div id=\"attachment_19447\" style=\"width: 1610px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-19447\" class=\"wp-image-19447 size-full\" src=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/KAURA-PLANTA-PILOTO.jpg\" alt=\"Water reuse in the rendering industry\" width=\"1600\" height=\"1200\" srcset=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/KAURA-PLANTA-PILOTO.jpg 1600w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/KAURA-PLANTA-PILOTO-300x225.jpg 300w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/KAURA-PLANTA-PILOTO-1024x768.jpg 1024w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/KAURA-PLANTA-PILOTO-768x576.jpg 768w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/KAURA-PLANTA-PILOTO-1536x1152.jpg 1536w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><p id=\"caption-attachment-19447\" class=\"wp-caption-text\">View of the pilot plant on site<\/p><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Technical_description_of_the_designed_MBR_solution\"><\/span>Technical description of the designed MBR solution<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Design flow<\/li>\n<\/ul>\n<p>The nominal capacity of the plant is described in the following table:<\/p>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>Design flow<\/th>\n<td>15 m\u00b3\/h<\/td>\n<\/tr>\n<tr>\n<th>Daily design availability<\/th>\n<td>20 h\/day<\/td>\n<\/tr>\n<tr>\n<th>Total daily flow<\/th>\n<td>300 m\u00b3\/day<\/td>\n<\/tr>\n<tr>\n<th>Raw water storage (mixed liquor)<\/th>\n<td>100 m\u00b3<\/td>\n<\/tr>\n<tr>\n<th>Treated water storage (UF permeate)<\/th>\n<td>4 x 75 m\u00b3 (2 of which already exist at the customer&rsquo;s site))<\/td>\n<\/tr>\n<tr>\n<th>Used of treated water<\/th>\n<td>Washing \u2013 Cooling towers<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div><\/div>\n<div>The design of this solution considers a feed and purge ultrafiltration system configuration, whereby part of the concentrate is recirculated in a closed circuit and part returns directly to the previous treatment stage. This leads to a design with a feed pump and a recirculation pump. This configuration is focused on lower energy consumption (OPEX).<\/div>\n<div><\/div>\n<div>In an initial stage, the mixed liquor from the biological reactor is pumped by three pumps to the 100 m\u00b3 feed storage tank for the MBR. A screen is installed prior to the inlet to this tank. This tank is equipped with an agitator to prevent the sedimentation of solids inside it.<\/div>\n<div><\/div>\n<div>From this tank, the mixed liquor is pumped to the ultrafiltration skid by a stainless-steel centrifugal pump with a flow rate of 90 m\u00b3\/hour.<\/div>\n<div><\/div>\n<div>Prior to entering the ultrafiltration skid, there is a mesh filter that performs surface screening of the water, retaining suspended solids with a mesh diameter greater than 1000 microns.<\/div>\n<div><\/div>\n<div id=\"attachment_19475\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-19475\" class=\"wp-image-19475 size-full\" src=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/sistema-de-filtracion-previo.jpg\" alt=\"Water reuse in the rendering industry\" width=\"1200\" height=\"1600\" srcset=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/sistema-de-filtracion-previo.jpg 1200w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/sistema-de-filtracion-previo-225x300.jpg 225w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/sistema-de-filtracion-previo-768x1024.jpg 768w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/sistema-de-filtracion-previo-1152x1536.jpg 1152w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><p id=\"caption-attachment-19475\" class=\"wp-caption-text\">View previous filtration system<\/p><\/div>\n<ul>\n<li>Ultrafiltration skid<\/li>\n<\/ul>\n<p><a href=\"https:\/\/jhuesa.com\/fr\/technologies\/ultrafiltration\">Ultrafiltration<\/a> is a pressure-controlled membrane separation process. The membranes separate a feed stream into a retentate (more concentrated) and a permeate. The permeate obtained is free of suspended solids, bacteria and viruses.<\/p>\n<p>It has been configured on a stainless-steel skid into which tubular ultrafiltration membranes have been integrated, including a CIP cleaning system using flushing.<\/p>\n<div id=\"attachment_19459\" style=\"width: 1610px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-19459\" class=\"wp-image-19459 size-full\" src=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/vista-skid-UF.jpg\" alt=\"Water reuse in the rendering industry\" width=\"1600\" height=\"1200\" srcset=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/vista-skid-UF.jpg 1600w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/vista-skid-UF-300x225.jpg 300w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/vista-skid-UF-1024x768.jpg 1024w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/vista-skid-UF-768x576.jpg 768w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/vista-skid-UF-1536x1152.jpg 1536w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><p id=\"caption-attachment-19459\" class=\"wp-caption-text\">Ultrafiltration skid view<\/p><\/div>\n<ul>\n<li>Disinfection system<\/li>\n<\/ul>\n<p>A <a href=\"https:\/\/jhuesa.com\/fr\/technologies\/desinfection\">disinfection system<\/a> has been installed at the MBR outlet, consisting of a chlorine dosing and control system in recirculation with a flow rate of 12.5 m3\/h installed on a stainless-steel skid, in which chemicals are dosed to adjust the water to the required chlorine and pH values.<\/p>\n<p>This system consists of recirculating the permeate (or a portion thereof) through a chlorine dosing skid and a contact circuit until a chlorine-free residual and the contact time necessary for the required disinfection are achieved and maintained.<\/p>\n<p>It is commonly used in industrial facilities where the aim is to guarantee the microbiological quality of water used for processes or storage, without excessively increasing investment or operational complexity.<\/p>\n<div id=\"attachment_19467\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-19467\" class=\"wp-image-19467 size-full\" src=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/vista-depositos-de-acumulacion.jpg\" alt=\"Water reuse in the rendering industry\" width=\"1200\" height=\"1600\" srcset=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/vista-depositos-de-acumulacion.jpg 1200w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/vista-depositos-de-acumulacion-225x300.jpg 225w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/vista-depositos-de-acumulacion-768x1024.jpg 768w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/vista-depositos-de-acumulacion-1152x1536.jpg 1152w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><p id=\"caption-attachment-19467\" class=\"wp-caption-text\">View permeate water accumulation tanks and recirculation system<\/p><\/div>\n<ul>\n<li>Instrumentation and control<\/li>\n<\/ul>\n<p>The WWTP is equipped with instrumentation and control elements that communicate with the programmable logic controller included in the control panel.<\/p>\n<p>The Instrumentation and Control team at <span style=\"color: #0b71ce;\"><strong>J. Huesa<\/strong><\/span> has designed the control panel so that it can be integrated into the customer&rsquo;s SCADA system. It also includes a remote control system.<\/p>\n<div id=\"attachment_19455\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-19455\" class=\"wp-image-19455 size-full\" src=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/vista-CE.jpg\" alt=\"\" width=\"1200\" height=\"1600\" srcset=\"https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/vista-CE.jpg 1200w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/vista-CE-225x300.jpg 225w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/vista-CE-768x1024.jpg 768w, https:\/\/jhuesa.com\/wp-content\/uploads\/2025\/12\/vista-CE-1152x1536.jpg 1152w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><p id=\"caption-attachment-19455\" class=\"wp-caption-text\">Electrical panel view<\/p><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Benefits_obtained_by_the_customer\"><\/span>Benefits obtained by the customer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The commissioning of the new WWTP, using MBR, brings several tangible improvements for our client:<\/p>\n<p>\u2022 Water quality is suitable for reuse, reducing external water consumption.<br \/>\n\u2022 Significant reduction in water footprint.<br \/>\n\u2022 Greater operational stability in the face of process variations.<br \/>\n\u2022 Optimisation of grease treatment and nitrogen removal.<br \/>\n\u2022 Improved odour control and working environment.<br \/>\n\u2022 Alignment with the client&rsquo;s environmental and circular economy objectives.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>This project is an example of how customised engineering, based on data, pilot studies and specialised technical knowledge, can transform water management into a key element for industrial competitiveness.<\/p>\n<p>If your industry works with complex effluents and is looking to move towards water reuse, contact our technical team and tell us about your project. At <span style=\"color: #0b71ce;\"><strong>J. Huesa<\/strong><\/span>, we continue to promote solutions that combine innovation, reliability and an approach that is fully adapted to each sector, developing comprehensive solutions that turn challenges into opportunities.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction: commitment to water efficiency in the rendering industry The rendering industry faces complex challenges in water management due to the high organic load, presence of fats and variability of&#8230;<\/p>\n","protected":false},"author":5,"featured_media":19473,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31,632],"tags":[154,147,453],"class_list":{"0":"post-19486","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-news","8":"category-ultrafiltracion-fr","9":"tag-reuse-fr","10":"tag-ultrafiltration-fr","11":"tag-wastewater-treatment-fr"},"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>Water reuse in the rendering industry<\/title>\n<meta name=\"description\" content=\"Water reuse in the rendering industry using an EDARi with MBR technology: complex effluent treatment and efficiency.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jhuesa.com\/fr\/water-reuse-in-the-rendering-industry\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Water reuse in the rendering industry: new project carried out by J. 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