{"id":60213,"date":"2025-10-28T10:58:47","date_gmt":"2025-10-28T02:58:47","guid":{"rendered":"https:\/\/stark-water.com\/?post_type=case&#038;p=60213"},"modified":"2025-10-28T10:58:48","modified_gmt":"2025-10-28T02:58:48","slug":"engineering-case-5000-t-d-pretreatment-4000-t-d-ro-singapore-mine-water-reuse","status":"publish","type":"case","link":"https:\/\/stark-water.com\/id\/blog\/case\/engineering-case-5000-t-d-pretreatment-4000-t-d-ro-singapore-mine-water-reuse\/","title":{"rendered":"Engineering Case: 5000\u00a0T\/D Pretreatment + 4000\u00a0T\/D RO \u2014 Singapore (Mine-Water Reuse)"},"content":{"rendered":"<section id=\"eng-case-singapore\" class=\"case-block\" aria-label=\"Engineering case \u2013 Singapore mine water reuse\">\n  <style>\n    \/* \u2014 Scoped styles \u2014 *\/\n    #eng-case-singapore{margin:28px 0;}\n    #eng-case-singapore .wrap{\n      display:grid; gap:28px;\n      grid-template-columns: 1.1fr 1fr; \/* text | gallery *\/\n      align-items:start;\n    }\n    @media (max-width: 860px){\n      #eng-case-singapore .wrap{ grid-template-columns: 1fr; }\n    }\n    #eng-case-singapore h1{margin:0 0 10px;}\n    #eng-case-singapore h2{margin:20px 0 10px;font-size:1.15rem}\n    #eng-case-singapore .kpis{border:1px solid #e7e9ed;border-radius:12px;padding:12px 14px;background:#fff}\n    #eng-case-singapore .kpis ul{margin:0;padding-left:18px}\n    #eng-case-singapore .specs{border:1px solid #eef0f4;border-radius:12px;background:#fafbfc}\n    #eng-case-singapore .specs table{width:100%;border-collapse:collapse;font-size:.97rem}\n    #eng-case-singapore .specs th,#eng-case-singapore .specs td{padding:10px 12px;border-bottom:1px solid #edf0f4;vertical-align:top}\n    #eng-case-singapore .specs th{width:34%;font-weight:600;background:#f7f9fb}\n    #eng-case-singapore .flow{padding-left:18px;margin:0}\n    #eng-case-singapore .flow li{margin:.25rem 0}\n    #eng-case-singapore .gallery{display:grid;gap:14px}\n    #eng-case-singapore .gallery figure{margin:0;border-radius:12px;overflow:hidden;border:1px solid #e7e9ed;background:#f6f7f9}\n    #eng-case-singapore .gallery img{width:100%;height:100%;display:block;object-fit:cover;aspect-ratio:4\/3}\n    #eng-case-singapore .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px}\n    #eng-case-singapore .cta a{padding:10px 14px;border:1px solid #e6e8ec;border-radius:10px;background:#fff}\n  <\/style>\n  <p><strong>Scenario:<\/strong> Reuse of mine\/process water inside a factory area. System capacity combines a\n     <strong>5000&nbsp;T\/D pretreatment line<\/strong> feeding a <strong>4000&nbsp;T\/D single-stage RO<\/strong>, with automated operation and\n     stable permeate quality for utilities and production.<\/p>\n\n  <div class=\"wrap\">\n    <!-- LEFT: content -->\n    <div class=\"left\">\n      <div class=\"specs\">\n        <table>\n          <tr><th>Country \/ Site<\/th><td>Singapore \/ industrial mining-water reuse inside plant<\/td><\/tr>\n          <tr><th>Total Capacity<\/th><td>Pretreatment 5000&nbsp;T\/D (\u2248208&nbsp;m\u00b3\/h) \u2192 RO 4000&nbsp;T\/D (\u2248167&nbsp;m\u00b3\/h)<\/td><\/tr>\n          <tr><th>Influent Risks<\/th><td>Suspended solids, fines, turbidity swings; dissolved metals; occasional hydrocarbons; scaling species (Ca, Ba, Sr, silica).<\/td><\/tr>\n          <tr><th>Process Train<\/th><td>\n            Equalization \u2192 coagulation\/flocculation \u2192 lamella clarifier (or DAF per influent) \u2192 multimedia filtration \u2192\n            activated carbon (organics &amp; de-chlorination) \u2192 optional UF (SDI control) \u2192 5&nbsp;\u00b5m cartridge \u2192\n            <strong>RO (8040 brackish)<\/strong> \u2192 permeate tank &amp; distribution.\n          <\/td><\/tr>\n          <tr><th>Bahan<\/th><td>HP RO piping SS316; pretreatment vessels carbon-steel lined \/ FRP; skids SS304; chemical-resistant elastomers.<\/td><\/tr>\n          <tr><th>Kontrol<\/th><td>PLC + HMI; trend logging for turbidity\/SDI\/\u0394P\/cond; interlocks to EQ tanks; auto permeate flush &amp; standby modes.<\/td><\/tr>\n        <\/table>\n      <\/div>\n\n      <h2>Design Basis &amp; Targets<\/h2>\n      <div class=\"kpis\">\n        <ul>\n          <li><strong>Recovery:<\/strong> RO set around 70\u201375% (balancing silica\/metals scaling indices and flux).<\/li>\n          <li><strong>Permeate quality:<\/strong> typically \u2264 30\u201350&nbsp;\u00b5S\/cm for utilities; polishing options available if ultra-low conductivity is required.<\/li>\n          <li><strong>SDI control:<\/strong> \u2264 3 at RO inlet; UF module enabled when seasonal fines increase.<\/li>\n          <li><strong>Metal risk management:<\/strong> pH conditioning and coagulant selection validated via jar tests.<\/li>\n          <li><strong>CIP readiness:<\/strong> dedicated CIP tank\/pumps, validated acid\/alkali recipes per membrane OEM limits.<\/li>\n        <\/ul>\n      <\/div>\n\n      <h2>Process Highlights<\/h2>\n      <ul class=\"flow\">\n        <li><strong>Equalization &amp; clarification<\/strong> buffer shock loads; lamella plates or DAF chosen by oil\/fines ratio.<\/li>\n        <li><strong>Dual-media filters + ACF<\/strong> stabilize turbidity and remove oxidants\/organics ahead of RO.<\/li>\n        <li><strong>RO arrays<\/strong> with VFD HP pumps, interstage sampling, and programmable flush to protect membranes.<\/li>\n        <li><strong>Chemical program<\/strong>: antiscalant; optional sodium metabisulfite or carbon for de-chlorination; non-oxidizing biocide as needed.<\/li>\n        <li><strong>Brine handling<\/strong>: segregated blowdown to plant utilities for further treatment\/disposal per local regulation.<\/li>\n      <\/ul>\n\n      <h2>Commissioning &amp; Handover<\/h2>\n      <ul class=\"flow\">\n        <li>FAT \u2192 SAT \u2192 performance run with water balance and quality mapping (influent\/RO feed\/permeate\/brine).<\/li>\n        <li>Training: SDI testing, log-sheet KPIs (flow, pressure, \u0394P, conductivity), CIP trigger thresholds.<\/li>\n        <li>Deliverables: P&amp;ID, layout, I\/O list, SOPs, PM plan, membrane cleaning record templates.<\/li>\n      <\/ul>\n\n      <div class=\"cta\">\n        <a href=\"https:\/\/stark-water.com\/id\/product-category\/pabrik-pengolahan-air\/\">Water treatment plants<\/a>\n        <a href=\"https:\/\/stark-water.com\/id\/product-category\/aksesoris-pengolahan-air\/membran\/\">8040 membran RO<\/a>\n        <a href=\"https:\/\/stark-water.com\/id\/kalkulator-pengolahan-air\/\">Sizing calculators<\/a>\n        <a href=\"https:\/\/stark-water.com\/id\/minta-penawaran\/\">Request a similar design<\/a>\n      <\/div>\n    <\/div>\n\n    <!-- RIGHT: gallery -->\n    <div class=\"right\">\n      <div class=\"gallery\">\n        <figure>\n          <img decoding=\"async\" src=\"https:\/\/stark-water.com\/wp-content\/uploads\/2025\/10\/Singapore-case1.webp\" alt=\"Singapore mine-water reuse \u2014 pretreatment line and manifolds\" loading=\"lazy\" title=\"\">\n        <\/figure>\n        <figure>\n          <img decoding=\"async\" src=\"https:\/\/stark-water.com\/wp-content\/uploads\/2025\/10\/Singapore-case2.webp\" alt=\"Singapore project \u2014 RO skid and process piping\" loading=\"lazy\" title=\"\">\n        <\/figure>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <!-- Optional structured data -->\n  <script type=\"application\/ld+json\">\n  {\n    \"@context\":\"https:\/\/schema.org\",\n    \"@type\":\"CaseStudy\",\n    \"name\":\"Engineering Case: 5000 T\/D Pretreatment + 4000 T\/D RO \u2014 Singapore (Mine-Water Reuse)\",\n    \"locationCreated\":\"Singapore\",\n    \"about\":[\"Mine water reuse\",\"Reverse Osmosis\",\"Industrial water\"],\n    \"image\":[\n      \"https:\/\/stark-water.com\/wp-content\/uploads\/2025\/10\/Singapore-case1.webp\",\n      \"https:\/\/stark-water.com\/wp-content\/uploads\/2025\/10\/Singapore-case2.webp\"\n    ],\n    \"provider\":{\"@type\":\"Organization\",\"name\":\"STARK Water\",\"url\":\"https:\/\/stark-water.com\"},\n    \"measurementTechnique\":[\"Coagulation\/clarification\",\"Dual-media + ACF\",\"UF (optional)\",\"RO 8040 brackish\"],\n    \"audience\":{\"@type\":\"BusinessAudience\",\"name\":\"Mining & manufacturing\"}\n  }\n  <\/script>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Scenario: Reuse of mine\/process water inside a factory area. System capacity combines a 5000&nbsp;T\/D pretreatment line feeding a 4000&nbsp;T\/D single-stage [&hellip;]<\/p>","protected":false},"featured_media":60217,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_joinchat":[]},"class_list":["post-60213","case","type-case","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/stark-water.com\/id\/wp-json\/wp\/v2\/case\/60213","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stark-water.com\/id\/wp-json\/wp\/v2\/case"}],"about":[{"href":"https:\/\/stark-water.com\/id\/wp-json\/wp\/v2\/types\/case"}],"version-history":[{"count":1,"href":"https:\/\/stark-water.com\/id\/wp-json\/wp\/v2\/case\/60213\/revisions"}],"predecessor-version":[{"id":60220,"href":"https:\/\/stark-water.com\/id\/wp-json\/wp\/v2\/case\/60213\/revisions\/60220"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stark-water.com\/id\/wp-json\/wp\/v2\/media\/60217"}],"wp:attachment":[{"href":"https:\/\/stark-water.com\/id\/wp-json\/wp\/v2\/media?parent=60213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}