{"id":7899,"date":"2026-05-24T14:00:06","date_gmt":"2026-05-24T12:00:06","guid":{"rendered":"https:\/\/razmena.co.rs\/trim\/?page_id=7899"},"modified":"2026-05-24T14:07:57","modified_gmt":"2026-05-24T12:07:57","slug":"secondary-wastewater-treatments","status":"publish","type":"page","link":"https:\/\/razmena.co.rs\/trim\/en\/process-equipment\/wastewater-treatment-plants\/secondary-wastewater-treatments\/","title":{"rendered":"Secondary Wastewater Treatments"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-first\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-1 proizvod-naslovi\"><h2 style=\"text-align: left;\">Secondary Wastewater Treatments<\/h2>\n<\/div><div class=\"fusion-text fusion-text-2 proizvod-naslovi text-menja-se\"><p>Secondary wastewater treatments are applied for the additional treatment of primarily treated water, in order to achieve a quality suitable for reuse or safe discharge into the environment. These processes enable the removal of fine suspended solids, dissolved substances, microorganisms, and other impurities that were not removed in previous treatment stages.<\/p>\n<p>Depending on the required quality of the treated water, as well as the specific needs of industrial or municipal systems, various advanced membrane filtration technologies are applied:<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-last\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><img decoding=\"async\" width=\"1920\" height=\"1080\" title=\"sekundarni-tretman-otpadne-vode\" src=\"http:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/sekundarni-tretman-otpadne-vode.jpg\" alt class=\"img-responsive wp-image-3184\" srcset=\"https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/sekundarni-tretman-otpadne-vode-200x113.jpg 200w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/sekundarni-tretman-otpadne-vode-400x225.jpg 400w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/sekundarni-tretman-otpadne-vode-600x338.jpg 600w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/sekundarni-tretman-otpadne-vode-800x450.jpg 800w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/sekundarni-tretman-otpadne-vode-1200x675.jpg 1200w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/sekundarni-tretman-otpadne-vode.jpg 1920w\" sizes=\"(max-width: 800px) 100vw, 600px\" \/><\/span><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-first\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );margin-right: 4%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-none\"><img decoding=\"async\" width=\"2560\" height=\"1707\" title=\"sekundarni tretmani otpadne vode\" src=\"http:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/sekundarni-tretmani-otpadne-vode-scaled.jpg\" alt class=\"img-responsive wp-image-3126\" srcset=\"https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/sekundarni-tretmani-otpadne-vode-200x133.jpg 200w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/sekundarni-tretmani-otpadne-vode-400x267.jpg 400w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/sekundarni-tretmani-otpadne-vode-600x400.jpg 600w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/sekundarni-tretmani-otpadne-vode-800x533.jpg 800w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/sekundarni-tretmani-otpadne-vode-1200x800.jpg 1200w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/sekundarni-tretmani-otpadne-vode-scaled.jpg 2560w\" sizes=\"(max-width: 800px) 100vw, 600px\" \/><\/span><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-last\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-3 proizvod-naslovi text-menja-se\"><ul>\n<li><strong>Ultrafiltration<\/strong> \u2013 effective in removing suspended particles, bacteria, and macromolecules, providing a high level of water clarity<\/li>\n<li><strong>Nanofiltration<\/strong> \u2013 used to remove smaller organic molecules and a portion of dissolved salts, further improving water quality<\/li>\n<li><strong>Reverse osmosis<\/strong> \u2013 the most advanced filtration process, enabling the removal of almost all dissolved substances, including salts, heavy metals, and microorganisms<\/li>\n<\/ul>\n<p>The application of these technologies enables high water quality standards to be achieved, opening the possibility for water reuse in industrial processes, cooling systems, irrigation, or other technical applications.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-margin-top:10px;--awb-margin-bottom:40px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1227.2px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><!-- ===== BUTTON ===== -->\n<a href=\"#\" class=\"custom-request-button\">Send Inquiry <i class=\"fa-chevron-right fas awb-button__icon awb-button__icon--default button-icon-right\" aria-hidden=\"true\"><\/i><\/a>\n\n<!-- ===== POPUP + CSS + JS ===== -->\n<style>\n#requestPopup{\n    position:fixed;\n    inset:0;\n    background:rgba(0,0,0,.6);\n    display:flex;\n    align-items:center;\n    justify-content:center;\n    opacity:0;\n    pointer-events:none;\n    transition:.3s;\n    z-index:999999;\n}\n\n#requestPopup.active{\n    opacity:1;\n    pointer-events:auto;\n}\n\n.popup-box{\n    background:#fff;\n    width:90%;\n    max-width:450px;\n    padding:25px;\n    border-radius:10px;\n    transform:scale(.95);\n    transition:.3s;\n}\n\n#requestPopup.active .popup-box{\n    transform:scale(1);\n}\n\na.custom-request-button {\n    text-align: center;\n    background: #3952ad;\n    color: #fff;\n    padding: 10px 20px;\n    width: 212px;\n    margin: auto;\n    font-size: 20px;\n    border-radius: 12px 0 12px 0;\n}\n\na.custom-request-button:hover {\n    background: #000;\n    color: #fff;\n}\n\n.popup-header{\n    display:flex;\n    justify-content:space-between;\n    align-items:center;\n    margin-bottom:10px;\n}\n\n.popup-close{\n    font-size:28px;\n    cursor:pointer;\n}\n\n#popupForm input,\n#popupForm textarea{\n    width:100%;\n    padding:10px;\n    margin:8px 0;\n    border:1px solid #ddd;\n}\n\n#popupForm button{\n    width:100%;\n    padding:12px;\n    background:#3952ad;\n    color:#fff;\n    border:none;\n    cursor:pointer;\n}\n\n.status{\n    margin-top:10px;\n    font-size:14px;\n}\n<\/style>\n\n<script>\ndocument.addEventListener(\"DOMContentLoaded\", function () {\n\n    \/\/ ===== PAGE TITLE =====\n    const title = document.querySelector(\"h2\")?.textContent.trim() || document.title;\n\n    \/\/ ===== BUTTON =====\n    const trigger = document.querySelector(\".custom-request-button\");\n\n    if (!trigger) return;\n\n    \/\/ ===== POPUP =====\n    const popup = document.createElement(\"div\");\n    popup.id = \"requestPopup\";\n\n    popup.innerHTML = `\n        <div class=\"popup-box\">\n            <div class=\"popup-header\">\n                <h2>${title}<\/h2>\n                <span class=\"popup-close\">\u00d7<\/span>\n            <\/div>\n\n            <form id=\"popupForm\">\n                <input type=\"hidden\" name=\"subject\" value=\"${title}\">\n\n                <input type=\"text\" name=\"name\" placeholder=\"Full Name\" required>\n                <input type=\"email\" name=\"email\" placeholder=\"Email\" required>\n\n                <textarea name=\"message\" placeholder=\"Message\"><\/textarea>\n\n                <button type=\"submit\">Send Request<\/button>\n\n                <div class=\"status\"><\/div>\n            <\/form>\n        <\/div>\n    `;\n\n    document.body.appendChild(popup);\n\n    \/\/ ===== OPEN POPUP =====\n    trigger.addEventListener(\"click\", function(e){\n        e.preventDefault();\n        popup.classList.add(\"active\");\n    });\n\n    \/\/ ===== CLOSE POPUP =====\n    popup.addEventListener(\"click\", function(e){\n        if(e.target.id === \"requestPopup\" || e.target.classList.contains(\"popup-close\")){\n            popup.classList.remove(\"active\");\n        }\n    });\n\n    \/\/ ===== SEND (AJAX) =====\n    document.addEventListener(\"submit\", function(e){\n        if(e.target.id !== \"popupForm\") return;\n\n        e.preventDefault();\n\n        const form = e.target;\n\n        fetch(\"\/mail-handler.php\", {\n            method: \"POST\",\n            headers: { \"Content-Type\": \"application\/json\" },\n            body: JSON.stringify({\n                subject: form.subject.value,\n                name: form.name.value,\n                email: form.email.value,\n                message: form.message.value,\n                page: window.location.href\n            })\n        })\n        .then(r => r.text())\n        .then(() => {\n            popup.querySelector(\".status\").innerHTML = \"\u2714 Sent!\";\n            form.reset();\n        })\n        .catch(() => {\n            popup.querySelector(\".status\").innerHTML = \"\u274c Error!\";\n        });\n\n    });\n\n});\n<\/script><\/div><\/div><\/div><\/div>\n<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling box-conts\" style=\"--link_hover_color: var(--awb-custom_color_12);--link_color: var(--awb-color6);--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:40px;--awb-padding-bottom:40px;--awb-margin-top:30px;--awb-flex-wrap:wrap;\" id=\"3-box\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:1227.2px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-4 podnaslov\" style=\"--awb-text-color:var(--awb-color6);\"><h2><strong>Related products<\/strong><\/h2>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-6 fusion_builder_column_1_4 1_4 fusion-flex-column box-proizvod3\" style=\"--awb-bg-size:cover;--awb-width-large:25%;--awb-margin-top-large:0px;--awb-spacing-right-large:7.68%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:7.68%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-5\"><h2 style=\"text-align: center;\"><a href=\"https:\/\/razmena.co.rs\/trim\/en\/process-equipment\/wastewater-treatment-plants\/physicochemical-treatment-of-industrial-wastewater\/\">Physicochemical Treatment<\/a><\/h2>\n<\/div><div class=\"fusion-image-element \" style=\"text-align:center;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-3 hover-type-zoomin\"><a class=\"fusion-no-lightbox\" href=\"https:\/\/razmena.co.rs\/trim\/en\/process-equipment\/wastewater-treatment-plants\/physicochemical-treatment-of-industrial-wastewater\/\" target=\"_self\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.trim.rs\/wp-content\/uploads\/2024\/03\/Fizicko-hemijski-tretman-1024x683.jpg\" alt class=\"img-responsive wp-image-3110\" srcset=\"https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/Fizicko-hemijski-tretman-200x133.jpg 200w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/Fizicko-hemijski-tretman-400x267.jpg 400w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/Fizicko-hemijski-tretman-600x400.jpg 600w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/Fizicko-hemijski-tretman-800x533.jpg 800w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/Fizicko-hemijski-tretman-1200x800.jpg 1200w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/Fizicko-hemijski-tretman-scaled.jpg 2560w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 400px\" \/><\/a><\/span><\/div><div style=\"text-align:center;\"><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-1 fusion-button-default-span fusion-button-default-type\" style=\"--button_margin-top:20px;\" target=\"_self\" href=\"https:\/\/razmena.co.rs\/trim\/en\/process-equipment\/wastewater-treatment-plants\/physicochemical-treatment-of-industrial-wastewater\/\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">View product<\/span><\/a><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-7 fusion_builder_column_1_4 1_4 fusion-flex-column box-proizvod3\" style=\"--awb-bg-size:cover;--awb-width-large:25%;--awb-margin-top-large:0px;--awb-spacing-right-large:7.68%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:7.68%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-6\"><h2 style=\"text-align: center;\"><a href=\"https:\/\/razmena.co.rs\/trim\/en\/process-equipment\/wastewater-treatment-plants\/daf-flotation-dissolved-air-flotation\/\">DAF Flotation-Dissolved Air Flotation<\/a><\/h2>\n<\/div><div class=\"fusion-image-element \" style=\"text-align:center;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-4 hover-type-zoomin\"><a class=\"fusion-no-lightbox\" href=\"https:\/\/razmena.co.rs\/trim\/en\/process-equipment\/wastewater-treatment-plants\/daf-flotation-dissolved-air-flotation\/\" target=\"_self\" aria-label=\"a plant for recycling bottles\"><img decoding=\"async\" width=\"300\" height=\"199\" src=\"https:\/\/www.trim.rs\/wp-content\/uploads\/2024\/03\/DAF-flotacija-Dissolved-air-flotation-300x199.jpg\" alt class=\"img-responsive wp-image-3121\" srcset=\"https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/DAF-flotacija-Dissolved-air-flotation-200x133.jpg 200w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/DAF-flotacija-Dissolved-air-flotation-400x266.jpg 400w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/DAF-flotacija-Dissolved-air-flotation-600x399.jpg 600w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/DAF-flotacija-Dissolved-air-flotation-800x531.jpg 800w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/DAF-flotacija-Dissolved-air-flotation-1200x797.jpg 1200w, https:\/\/razmena.co.rs\/trim\/wp-content\/uploads\/2024\/03\/DAF-flotacija-Dissolved-air-flotation-scaled.jpg 2560w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 400px\" \/><\/a><\/span><\/div><div style=\"text-align:center;\"><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-2 fusion-button-default-span fusion-button-default-type\" style=\"--button_margin-top:20px;\" target=\"_self\" href=\"https:\/\/razmena.co.rs\/trim\/en\/process-equipment\/wastewater-treatment-plants\/daf-flotation-dissolved-air-flotation\/\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">View product<\/span><\/a><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-8 fusion_builder_column_1_4 1_4 fusion-flex-column box-proizvod3\" style=\"--awb-bg-size:cover;--awb-width-large:25%;--awb-margin-top-large:0px;--awb-spacing-right-large:7.68%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:7.68%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-7\"><h2 style=\"text-align: center;\"><a href=\"https:\/\/razmena.co.rs\/trim\/en\/process-equipment\/wastewater-treatment-plants\/biological-treatment\/\">Biological Treatment<\/a><\/h2>\n<\/div><div class=\"fusion-image-element \" style=\"text-align:center;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-5 hover-type-zoomin\"><a class=\"fusion-no-lightbox\" href=\"https:\/\/razmena.co.rs\/trim\/en\/process-equipment\/wastewater-treatment-plants\/biological-treatment\/\" target=\"_self\" aria-label=\"Biolo\u0161ki tretman otpadne vode\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.trim.rs\/wp-content\/uploads\/2024\/03\/Bioloski-tretman-otpadne-vode-300x200.jpg\" alt class=\"img-responsive wp-image-3123\" 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