{"id":5255,"date":"2024-04-09T11:11:46","date_gmt":"2024-04-09T14:11:46","guid":{"rendered":"https:\/\/grupoep.com.br\/activated-sludge\/"},"modified":"2026-01-13T08:40:33","modified_gmt":"2026-01-13T11:40:33","slug":"activated-sludge","status":"publish","type":"page","link":"https:\/\/grupoep.com.br\/en\/products\/treatment-plants\/estacao-de-tratamento-de-efluentes-ete\/biological-processes\/activated-sludge\/","title":{"rendered":"Activated Sludge"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"5255\" class=\"elementor elementor-5255 elementor-1606\" wpc-filter-elementor-widget=\"1\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-62c5dba e-flex e-con-boxed e-con e-parent\" data-id=\"62c5dba\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-1b4166f e-con-full e-flex e-con e-child\" data-id=\"1b4166f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-80252b0 animated-slow elementor-invisible elementor-widget elementor-widget-image\" data-id=\"80252b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;,&quot;_animation_delay&quot;:5}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"270\" src=\"https:\/\/grupoep.com.br\/wp-content\/uploads\/2024\/04\/logo-grupoep-300x270.png\" class=\"attachment-medium size-medium wp-image-4510\" alt=\"Stations\" srcset=\"https:\/\/grupoep.com.br\/wp-content\/uploads\/2024\/04\/logo-grupoep-300x270.png 300w, https:\/\/grupoep.com.br\/wp-content\/uploads\/2024\/04\/logo-grupoep-600x540.png 600w, https:\/\/grupoep.com.br\/wp-content\/uploads\/2024\/04\/logo-grupoep.png 625w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-afea7a0 e-con-full animated-slow e-flex elementor-invisible e-con e-child\" data-id=\"afea7a0\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInRight&quot;,&quot;animation_delay&quot;:5}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b0034d9 elementor-widget elementor-widget-heading\" data-id=\"b0034d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Activated Sludge\n<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-743a2ae e-flex e-con-boxed e-con e-parent\" data-id=\"743a2ae\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d0cb1bb pp-buttons-halign-stretch elementor-widget__width-inherit pp-buttons-valign-middle pp-buttons-stack-none elementor-widget elementor-widget-pp-buttons\" data-id=\"d0cb1bb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"pp-buttons.default\">\n\t\t\t\t\t\t\t<div class=\"pp-buttons-group\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/grupoep.com.br\/products\/treatment-plants\/wastewater-treatment-plant-wwtp\/biological-processes\/?lang=en\" class=\"pp-button elementor-button elementor-size-sm elementor-repeater-item-358fc2d \">\n\t\t\t\t\t<div class=\"pp-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"pp-button-content-inner pp-icon-before\">\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<span class=\"pp-button-title\">\n\t\t\t\t\t\t\t\t\tBiological processes\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/grupoep.com.br\/products\/treatment-plants\/wastewater-treatment-plant-wwtp\/biological-processes\/batch-process-sbr\/?lang=en\" class=\"pp-button elementor-button elementor-size-sm elementor-repeater-item-d8ce331 \">\n\t\t\t\t\t<div class=\"pp-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"pp-button-content-inner pp-icon-before\">\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<span class=\"pp-button-title\">\n\t\t\t\t\t\t\t\t\tBatch Process (SBR)\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/grupoep.com.br\/products\/treatment-plants\/wastewater-treatment-plant-wwtp\/biological-processes\/compact-wwtp\/?lang=en\" class=\"pp-button elementor-button elementor-size-sm elementor-repeater-item-5396bb3 \">\n\t\t\t\t\t<div class=\"pp-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"pp-button-content-inner pp-icon-before\">\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<span class=\"pp-button-title\">\n\t\t\t\t\t\t\t\t\tCompact\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/grupoep.com.br\/products\/treatment-plants\/wastewater-treatment-plant-wwtp\/biological-processes\/membrane-bio-reactor-mbr-eng\/?lang=en\" class=\"pp-button elementor-button elementor-size-sm elementor-repeater-item-137971a \">\n\t\t\t\t\t<div class=\"pp-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"pp-button-content-inner pp-icon-before\">\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<span class=\"pp-button-title\">\n\t\t\t\t\t\t\t\t\tMBR\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/grupoep.com.br\/products\/treatment-plants\/wastewater-treatment-plant-wwtp\/biological-processes\/mbbr-eng\/?lang=en\" class=\"pp-button elementor-button elementor-size-sm elementor-repeater-item-5ed0f0f \">\n\t\t\t\t\t<div class=\"pp-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"pp-button-content-inner pp-icon-before\">\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<span class=\"pp-button-title\">\n\t\t\t\t\t\t\t\t\tMBBR\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/grupoep.com.br\/products\/treatment-plants\/wastewater-treatment-plant-wwtp\/biological-processes\/uasb-eng\/?lang=en\" class=\"pp-button elementor-button elementor-size-sm elementor-repeater-item-b4d335d \">\n\t\t\t\t\t<div class=\"pp-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"pp-button-content-inner pp-icon-before\">\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<span class=\"pp-button-title\">\n\t\t\t\t\t\t\t\t\tUASB\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/grupoep.com.br\/products\/treatment-plants\/wastewater-treatment-plant-wwtp\/biological-processes\/aeration-systems\/?lang=en\" class=\"pp-button elementor-button elementor-size-sm elementor-repeater-item-3772370 \">\n\t\t\t\t\t<div class=\"pp-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"pp-button-content-inner pp-icon-before\">\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<span class=\"pp-button-title\">\n\t\t\t\t\t\t\t\t\tAeration systems\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t<\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53b69e3 elementor-align-center elementor-widget__width-inherit animated-slow elementor-invisible elementor-widget elementor-widget-button\" data-id=\"53b69e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;slideInUp&quot;,&quot;_animation_delay&quot;:5}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/grupoep.com.br\/budget\/?lang=en\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Get a quote from us<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b5bc7fe e-con-full e-flex e-con e-child\" data-id=\"b5bc7fe\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-67bfe92 elementor-widget elementor-widget-text-editor\" data-id=\"67bfe92\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The <strong>activated sludge<\/strong> system is an effective method of biological treatment of sewage and effluents, designed to destroy biodegradable organic pollutants present in wastewater. This process uses the action of aerobic microorganisms to break down organic matter, guaranteeing water purification. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-24698f8 elementor-widget__width-inherit animated-slow elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"24698f8\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:10}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">What is Activated Sludge?<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-da51d54 elementor-widget elementor-widget-text-editor\" data-id=\"da51d54\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Activated sludge is the sludge resulting from a sewage treatment process that uses microorganisms to break down biodegradable organic pollutants present in wastewater and effluents.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a1d9f31 e-con-full e-flex e-con e-child\" data-id=\"a1d9f31\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-531ebca elementor-skin-carousel elementor-arrows-yes elementor-widget elementor-widget-media-carousel\" data-id=\"531ebca\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;slides_per_view&quot;:&quot;1&quot;,&quot;slides_to_scroll&quot;:&quot;1&quot;,&quot;skin&quot;:&quot;carousel&quot;,&quot;effect&quot;:&quot;slide&quot;,&quot;show_arrows&quot;:&quot;yes&quot;,&quot;speed&quot;:500,&quot;autoplay&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;loop&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;space_between&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;space_between_widescreen&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;space_between_laptop&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;space_between_tablet_extra&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;space_between_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;space_between_mobile_extra&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;space_between_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]}}\" data-widget_type=\"media-carousel.default\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-main-swiper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Slides\">\n\t\t\t\t<div class=\"swiper-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/grupoep.com.br\/wp-content\/uploads\/2024\/04\/Sistema-de-Lodos-Ativo-1.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"531ebca\" data-elementor-lightbox-title=\"Biological processes\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDU5NCwidXJsIjoiaHR0cHM6XC9cL2dydXBvZXAuY29tLmJyXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI0XC8wNFwvU2lzdGVtYS1kZS1Mb2Rvcy1BdGl2by0xLnBuZyIsInNsaWRlc2hvdyI6IjUzMWViY2EifQ%3D%3D\">\t\t<div class=\"elementor-carousel-image\" role=\"img\" aria-label=\"Biological processes\" style=\"background-image: url(&#039;https:\/\/grupoep.com.br\/wp-content\/uploads\/2024\/04\/Sistema-de-Lodos-Ativo-1.png&#039;)\">\n\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t<\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/grupoep.com.br\/wp-content\/uploads\/2024\/04\/lodos-ativados-jpg.webp\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"531ebca\" data-elementor-lightbox-title=\"activated-sludge-jpg\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDU5MywidXJsIjoiaHR0cHM6XC9cL2dydXBvZXAuY29tLmJyXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI0XC8wNFwvbG9kb3MtYXRpdmFkb3MtanBnLndlYnAiLCJzbGlkZXNob3ciOiI1MzFlYmNhIn0%3D\">\t\t<div class=\"elementor-carousel-image\" role=\"img\" aria-label=\"activated-sludge-jpg\" style=\"background-image: url(&#039;https:\/\/grupoep.com.br\/wp-content\/uploads\/2024\/04\/lodos-ativados-jpg.webp&#039;)\">\n\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t<\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\" aria-label=\"Previous\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-left\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M646 125C629 125 613 133 604 142L308 442C296 454 292 471 292 487 292 504 296 521 308 533L604 854C617 867 629 875 646 875 663 875 679 871 692 858 704 846 713 829 713 812 713 796 708 779 692 767L438 487 692 225C700 217 708 204 708 187 708 171 704 154 692 142 675 129 663 125 646 125Z\"><\/path><\/svg>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\" aria-label=\"Next\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-right\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M696 533C708 521 713 504 713 487 713 471 708 454 696 446L400 146C388 133 375 125 354 125 338 125 325 129 313 142 300 154 292 171 292 187 292 204 296 221 308 233L563 492 304 771C292 783 288 800 288 817 288 833 296 850 308 863 321 871 338 875 354 875 371 875 388 867 400 854L696 533Z\"><\/path><\/svg>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-903e132 elementor-widget__width-inherit animated-slow elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"903e132\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:10}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">How the activated sludge process works:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5491e55 elementor-grid-2 elementor-grid-tablet-2 elementor-grid-mobile-1 pp-info-box-above-title elementor-widget elementor-widget-pp-info-box-carousel\" data-id=\"5491e55\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;equal_height_boxes&quot;:&quot;yes&quot;}\" data-widget_type=\"pp-info-box-carousel.default\">\n\t\t\t\t\t\t\t<div class=\"pp-info-box-container elementor-grid pp-info-box-equal-height\">\n\t\t\t\n\t\t\t\t\t\t\t<div class=\"pp-info-box elementor-grid-item\">\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"pp-info-box-icon-wrap\">\n\t\t\t\t\t\t\t\t<span class=\"pp-info-box-icon pp-icon\">\n\t\t\t\t\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" height=\"512\" viewBox=\"0 0 480 480\" width=\"512\"><g id=\"Layer_2\" data-name=\"Layer 2\"><g id=\"_02.number_1\" data-name=\"02.number_1\"><path d=\"m240 0c-132.55 0-240 107.45-240 240 0 132.55 107.45 240 240 240 132.55 0 240-107.45 240-240 0-132.55-107.45-240-240-240zm41.45 345h-48v-159.3l-37.2 10.2-11.7-41.1 54.9-19.8h42z\"><\/path><\/g><\/g><\/svg>\t\t\t\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"pp-info-box-content\">\n\t\t\t\t\t\t\t\t<div class=\"pp-info-box-title-wrap\">\n\t\t\t\t\t\t\t<div class=\"pp-info-box-title-container\">\n\t\t\t\t\t<h4 class=\"pp-info-box-title\">\n\t\t\t\t\t\tMicroorganisms\t\t\t\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"pp-info-box-description\">\n\t\t\t\t\t\t\t\tFlocs are formed by the growth of zooge bacteria and other microorganisms in the presence of dissolved oxygen.\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"pp-info-box elementor-grid-item\">\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"pp-info-box-icon-wrap\">\n\t\t\t\t\t\t\t\t<span class=\"pp-info-box-icon pp-icon\">\n\t\t\t\t\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" height=\"512\" viewBox=\"0 0 480 480\" width=\"512\"><g id=\"Layer_2\" data-name=\"Layer 2\"><g id=\"_03.number_2\" data-name=\"03.number_2\"><path d=\"m240 0c-132.55 0-240 107.45-240 240 0 132.55 107.45 240 240 240 132.55 0 240-107.45 240-240 0-132.55-107.45-240-240-240zm72.45 347.1h-142.8v-34.8l70.5-73.2c12.3-12.6 21.3-24.9 21.3-37.2 0-13.2-8.4-22.2-22.5-22.2-14.7 0-25.2 9.6-30.9 22.8l-40.5-23.7c13.5-31.2 41.7-45.9 70.8-45.9 37.5 0 71.1 24.6 71.1 66.9 0 25.2-13.5 46.8-32.7 66l-34.75 35.1h70.5z\"><\/path><\/g><\/g><\/svg>\t\t\t\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"pp-info-box-content\">\n\t\t\t\t\t\t\t\t<div class=\"pp-info-box-title-wrap\">\n\t\t\t\t\t\t\t<div class=\"pp-info-box-title-container\">\n\t\t\t\t\t<h4 class=\"pp-info-box-title\">\n\t\t\t\t\t\tFlake return\t\t\t\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"pp-info-box-description\">\n\t\t\t\t\t\t\t\tPreviously formed flocs are returned to the system to maintain a high concentration of microorganisms.\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4c974dd e-flex e-con-boxed e-con e-parent\" data-id=\"4c974dd\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-59a4540 elementor-widget__width-inherit animated-slow elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"59a4540\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:10}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Benefits<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e0783c elementor-widget__width-inherit elementor-widget elementor-widget-xpro-horizontal-timeline\" data-id=\"1e0783c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;loop&quot;:&quot;yes&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;autoplay_timeout&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:5,&quot;sizes&quot;:[]},&quot;item_per_row&quot;:3,&quot;item_per_row_tablet&quot;:2,&quot;item_per_row_mobile&quot;:1,&quot;mouse_drag&quot;:&quot;yes&quot;,&quot;auto_height&quot;:&quot;yes&quot;,&quot;nav&quot;:&quot;yes&quot;}\" data-widget_type=\"xpro-horizontal-timeline.default\">\n\t\t\t\t\t<div class=\"xpro-horizontal-timeline-wrapper xpro-horizontal-timeline-col\">\n\t<div class=\"xpro-horizontal-timeline-inner\">\n\t\t<div id=\"xpro-horizontal-timeline-1e0783c\" class=\"xpro-horizontal-timeline owl-carousel xpro-owl-theme xpro-owl-navigation-horizontal-style-1 xpro-owl-dots-horizontal-style-1\">\n\t\t\t\t\t\t\t<div class=\"xpro-horizontal-timeline-item elementor-repeater-item-d9a0d74\">\n\t\t\t\t\t<div class=\"xpro-horizontal-timeline-date\">\n\t\t\t\t\t\t<div class=\"xpro-horiontal-timeline-data-wrap\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"xpro-horizontal-timeline-dates\">\n\t\t\t\t\t\t\t\t\t<!-- Media Type -->\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"xpro-horizontal-timeline-media-box\">\n\t\t\t\t\t\t<span class=\"xpro-horizontal-timeline-bullet-line\"><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<!-- Media Type -->\n\t\t\t\t\t\t\t<div class=\"xpro-horizontal-timeline-media\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"xpro-horizontal-timeline-content xpro-horiz-equal-height\">\n\t\t\t\t\t\t<div class=\"xpro-horizontal-timeline-content-inner\">\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<div class=\"xpro-horizontal-timeline-content-desc\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<!-- Title -->\n\t\t\t\t\t\t\t\t\t<h2 class=\"xpro-horizontal-timeline-sub-title\">High efficiency<\/h2>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"xpro-horizontal-timeline-text\">Efficient decomposition of organic matter and biodegradable pollutants.\n<\/p>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"xpro-horizontal-timeline-item elementor-repeater-item-752b7e3\">\n\t\t\t\t\t<div class=\"xpro-horizontal-timeline-date\">\n\t\t\t\t\t\t<div class=\"xpro-horiontal-timeline-data-wrap\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"xpro-horizontal-timeline-dates\">\n\t\t\t\t\t\t\t\t\t<!-- Media Type -->\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"xpro-horizontal-timeline-media-box\">\n\t\t\t\t\t\t<span class=\"xpro-horizontal-timeline-bullet-line\"><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<!-- Media Type -->\n\t\t\t\t\t\t\t<div class=\"xpro-horizontal-timeline-media\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"xpro-horizontal-timeline-content xpro-horiz-equal-height\">\n\t\t\t\t\t\t<div class=\"xpro-horizontal-timeline-content-inner\">\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<div class=\"xpro-horizontal-timeline-content-desc\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<!-- Title -->\n\t\t\t\t\t\t\t\t\t<h2 class=\"xpro-horizontal-timeline-sub-title\">Water quality<\/h2>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"xpro-horizontal-timeline-text\">It produces high-quality treated water, suitable for disposal or reuse.\n<\/p>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"xpro-horizontal-timeline-item elementor-repeater-item-9c983db\">\n\t\t\t\t\t<div class=\"xpro-horizontal-timeline-date\">\n\t\t\t\t\t\t<div class=\"xpro-horiontal-timeline-data-wrap\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"xpro-horizontal-timeline-dates\">\n\t\t\t\t\t\t\t\t\t<!-- Media Type -->\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"xpro-horizontal-timeline-media-box\">\n\t\t\t\t\t\t<span class=\"xpro-horizontal-timeline-bullet-line\"><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<!-- Media Type -->\n\t\t\t\t\t\t\t<div class=\"xpro-horizontal-timeline-media\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"xpro-horizontal-timeline-content xpro-horiz-equal-height\">\n\t\t\t\t\t\t<div class=\"xpro-horizontal-timeline-content-inner\">\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<div class=\"xpro-horizontal-timeline-content-desc\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<!-- Title -->\n\t\t\t\t\t\t\t\t\t<h2 class=\"xpro-horizontal-timeline-sub-title\">Sustainability<\/h2>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"xpro-horizontal-timeline-text\">A biological process that promotes nutrient recycling and environmental protection.\n<\/p>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t<\/div>\n<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a74bd9c e-con-full e-flex e-con e-child\" data-id=\"a74bd9c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-570c731 elementor-widget__width-inherit animated-slow elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"570c731\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:10}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Applications<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8a526a5 e-con-full e-flex e-con e-child\" data-id=\"8a526a5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cad446b elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"cad446b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Industries: Treatment of industrial effluents with a high organic load.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Municipalities: Urban sewage and wastewater treatment.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Agriculture: Treatment of effluents from animal husbandry and agricultural activities.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-efdc34a elementor-widget__width-inherit animated-slow elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"efdc34a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:10}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Commitment to Quality:  \n<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-af5d737 elementor-widget elementor-widget-text-editor\" data-id=\"af5d737\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>At EP, we offer high-efficiency activated sludge systems designed to meet the specific needs of each client. Our systems guarantee maximum efficiency and compliance with environmental regulations. <\/p><p>Interested in finding out more about our activated sludge solutions? Contact us today for a personalized consultation and find out how we can help improve your wastewater treatment processes. <\/p><p>Find out how EP can help guarantee the quality of effluent treatment for your company.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-493d0fb elementor-align-center elementor-widget__width-inherit animated-slow elementor-invisible elementor-widget elementor-widget-button\" data-id=\"493d0fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;slideInUp&quot;,&quot;_animation_delay&quot;:5}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/grupoep.com.br\/budget\/?lang=en\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Get a quote from us<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Activated Sludge Biological processes Batch Process (SBR) Compact MBR MBBR UASB Aeration systems Get a quote from us The activated sludge system is an effective method of biological treatment of sewage and effluents, designed to destroy biodegradable organic pollutants present in wastewater. This process uses the action of aerobic microorganisms to break down organic matter, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":5200,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-5255","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Activated Sludge - Grupo EP<\/title>\n<meta name=\"description\" content=\"The activated sludge system is an effective method of biological treatment of sewage and effluents, designed to destroy organic pollutants(...)\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/grupoep.com.br\/en\/products\/treatment-plants\/estacao-de-tratamento-de-efluentes-ete\/biological-processes\/activated-sludge\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Activated Sludge\" \/>\n<meta property=\"og:description\" content=\"The activated sludge system is an effective method of biological treatment of sewage and effluents, designed to destroy organic pollutants(...)\" \/>\n<meta property=\"og:url\" content=\"https:\/\/grupoep.com.br\/en\/products\/treatment-plants\/estacao-de-tratamento-de-efluentes-ete\/biological-processes\/activated-sludge\/\" \/>\n<meta property=\"og:site_name\" content=\"Grupo EP\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/epengenharia\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-13T11:40:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/grupoep.com.br\/wp-content\/uploads\/2024\/04\/logo-grupoep.png\" \/>\n\t<meta property=\"og:image:width\" content=\"625\" \/>\n\t<meta property=\"og:image:height\" content=\"562\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/grupoep.com.br\\\/en\\\/products\\\/treatment-plants\\\/estacao-de-tratamento-de-efluentes-ete\\\/biological-processes\\\/activated-sludge\\\/\",\"url\":\"https:\\\/\\\/grupoep.com.br\\\/en\\\/products\\\/treatment-plants\\\/estacao-de-tratamento-de-efluentes-ete\\\/biological-processes\\\/activated-sludge\\\/\",\"name\":\"Activated Sludge - 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