{"id":3740,"date":"2026-09-07T08:55:43","date_gmt":"2026-09-07T08:55:43","guid":{"rendered":"https:\/\/lowayequipment.com\/engineering\/sludge-testing\/"},"modified":"2026-09-08T02:30:07","modified_gmt":"2026-09-08T02:30:07","slug":"sludge-testing","status":"publish","type":"page","link":"https:\/\/lowayequipment.com\/la\/engineering\/sludge-testing\/","title":{"rendered":"Sludge Testing &#038; Sample Analysis &#8211; Bench Test Before You Buy"},"content":{"rendered":"<p><script>\/* eng page flag: lets CSS hide the theme page-title *\/\ndocument.body.classList.add('lw-v7');<\/script><\/p>\n<div class=\"lw-home lw-eng lw-sludge\">\n<p>  <!-- ============ ST-HERO ============ --><\/p>\n<section class=\"lw-eng-hero\">\n<div class=\"lw-container\">\n<p class=\"lw-eng-crumb\"><a href=\"\/la\/engineering\/\">Engineering Resources<\/a> \u00b7 Sludge Testing<\/p>\n<p class=\"lw-kicker\" style=\"display:block\">Validate before you buy<\/p>\n<h1>Test Your Sludge \u2014 Get a Written Recommendation Before You Buy Equipment<\/h1>\n<p class=\"lw-eng-hero-sub\">A bench test on a small sample tells you more than any brochure. We ship you a sampling kit, run filtration and dewatering trials in our lab, and return a written report \u2014 dewatering behaviour, achievable cake dryness and the technology we recommend \u2014 <b>before you commit a single dollar to equipment<\/b>.<\/p>\n<div class=\"lw-eng-hero-ctas\">\n        <a class=\"lw-btn lw-btn--light\" href=\"\/la\/contact-us\/\">Request a Sludge Test<svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/a><br \/>\n        <a class=\"lw-btn lw-btn--ghost-on-dark\" href=\"\/la\/engineering\/technology-selection\/\">Compare the technologies first<\/a>\n      <\/div>\n<\/p><\/div>\n<\/section>\n<p>  <!-- ============ ST-1 WHAT THE TEST ANSWERS ============ --><\/p>\n<section class=\"lw-sec\">\n<div class=\"lw-container\">\n<p class=\"lw-kicker lw-center\" style=\"display:block\">Why test at all<\/p>\n<h2 class=\"lw-center\">One Sample Answers the Four Questions That Decide the Machine<\/h2>\n<p class=\"lw-lead\" style=\"margin:0 auto 26px\">Sludge from two plants with the same name rarely behaves the same. The numbers below \u2014 measured on <b>your<\/b> feed \u2014 are the ones that size the machine, set the polymer budget and survive a capital-expenditure review.<\/p>\n<div class=\"lw-sludge-ans\">\n<div class=\"lw-sludge-ans-card\">\n          <svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M12 2.69l5.66 5.66a8 8 0 1 1-11.31 0z\"\/><\/svg><\/p>\n<h3>Is my sludge dewaterable?<\/h3>\n<p>Filtration behaviour and conditioning response measured on your actual sample \u2014 not on \u201ctypical\u201d data for your industry.<\/p>\n<\/p><\/div>\n<div class=\"lw-sludge-ans-card\">\n          <svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><polygon points=\"12 2 2 7 12 12 22 7 12 2\"\/><polyline points=\"2 17 12 22 22 17\"\/><polyline points=\"2 12 12 17 22 12\"\/><\/svg><\/p>\n<h3>How dry can the cake get?<\/h3>\n<p>Achievable dryness under realistic pressure and cycle time \u2014 with and without membrane squeeze.<\/p>\n<\/p><\/div>\n<div class=\"lw-sludge-ans-card\">\n          <svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><circle cx=\"11\" cy=\"11\" r=\"8\"\/><line x1=\"21\" y1=\"21\" x2=\"16.65\" y2=\"16.65\"\/><\/svg><\/p>\n<h3>Which technology fits?<\/h3>\n<p>Filter press, belt, screw or rotary drum \u2014 shortlisted on your feed, your operating hours and your dryness target.<\/p>\n<\/p><\/div>\n<div class=\"lw-sludge-ans-card\">\n          <svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><polyline points=\"22 12 18 12 15 21 9 3 6 12 2 12\"\/><\/svg><\/p>\n<h3>What will it cost to run?<\/h3>\n<p>Polymer type and dose, cycle time and throughput \u2014 the operating numbers that size the machine and the budget.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p>  <!-- ============ ST-2 HOW IT WORKS (5 steps) ============ --><\/p>\n<section class=\"lw-sec lw-sec--alt\">\n<div class=\"lw-container\">\n<p class=\"lw-kicker lw-center\" style=\"display:block\">The process<\/p>\n<h2 class=\"lw-center\">From Sample to Shortlist in Five Steps<\/h2>\n<div class=\"lw-steps\">\n<div class=\"lw-step\"><span class=\"lw-step-n\">1<\/span><b class=\"lw-step-h\"><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z\"\/><polyline points=\"3.27 6.96 12 12.01 20.73 6.96\"\/><line x1=\"12\" y1=\"22.08\" x2=\"12\" y2=\"12\"\/><\/svg>Request &amp; kit<\/b><\/p>\n<p>Tell us about your sludge \u2014 we confirm scope and ship a sampling kit with instructions.<\/p>\n<\/div>\n<div class=\"lw-step\"><span class=\"lw-step-n\">2<\/span><b class=\"lw-step-h\"><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><line x1=\"22\" y1=\"2\" x2=\"11\" y2=\"13\"\/><polygon points=\"22 2 15 22 11 13 2 9 22 2\"\/><\/svg>Send a sample<\/b><\/p>\n<p>Fill roughly one to two litres, label date and source, and ship \u2014 we guide the packing.<\/p>\n<\/div>\n<div class=\"lw-step\"><span class=\"lw-step-n\">3<\/span><b class=\"lw-step-h\"><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M9 3h6M10 3v6l-5.2 8.7A2 2 0 0 0 6.6 21h10.8a2 2 0 0 0 1.8-3.3L14 9V3\"\/><line x1=\"7.4\" y1=\"15\" x2=\"16.6\" y2=\"15\"\/><\/svg>Bench test<\/b><\/p>\n<p>Filtration and dewatering trials in our lab: filterability, plate trials and polymer screening.<\/p>\n<\/div>\n<div class=\"lw-step\"><span class=\"lw-step-n\">4<\/span><b class=\"lw-step-h\"><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8l-6-6z\"\/><polyline points=\"14 2 14 8 20 8\"\/><line x1=\"8\" y1=\"13\" x2=\"16\" y2=\"13\"\/><line x1=\"8\" y1=\"17\" x2=\"16\" y2=\"17\"\/><\/svg>Written report<\/b><\/p>\n<p>Dewatering behaviour, achievable dryness, polymer need and the recommended technology \u2014 board-ready.<\/p>\n<\/div>\n<div class=\"lw-step\"><span class=\"lw-step-n\">5<\/span><b class=\"lw-step-h\"><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M14.7 6.3a1 1 0 0 0 0 1.4l1.6 1.6a1 1 0 0 0 1.4 0l3.77-3.77a6 6 0 0 1-7.94 7.94l-6.91 6.91a2.12 2.12 0 0 1-3-3l6.91-6.91a6 6 0 0 1 7.94-7.94l-3.76 3.76z\"\/><\/svg>Pilot &amp; sizing<\/b><\/p>\n<p>Optional on-site or skid pilot at real throughput \u2014 then the machine is sized on data, not guesswork.<\/p>\n<\/div><\/div>\n<div class=\"lw-sludge-ress\">\n        <a href=\"\/la\/engineering\/technology-selection\/\">Technology selection guide \u2192<\/a><br \/>\n        <a href=\"\/la\/engineering\/filter-press-sizing-calculation\/\">Filter press sizing &amp; capacity calculation \u2192<\/a><br \/>\n        <a href=\"\/la\/maximizing-filter-press-performance-through-pilot-testing\/\">Why pilot testing matters \u2192<\/a>\n      <\/div>\n<\/p><\/div>\n<\/section>\n<p>  <!-- ============ ST-3 WHAT WE MEASURE (image + checks) ============ --><\/p>\n<section class=\"lw-sec\">\n<div class=\"lw-container\">\n<p class=\"lw-kicker\" style=\"display:block\">The bench test, in detail<\/p>\n<h2>What We Measure on Your Sample<\/h2>\n<div class=\"lw-sludge-split\">\n<figure class=\"lw-sludge-media\">\n          <img decoding=\"async\" loading=\"lazy\" alt=\"Loway lab pilot filter press used for bench and small-batch trials\" src=\"https:\/\/lowayequipment.com\/wp-content\/uploads\/2025\/12\/350-chamber-Lab-Pilot-Filter-Press-Precision-Filtration-Small-Batch-Production-Loway-Equipment-1024x472.png\"><figcaption>The lab pilot filter press Loway uses for bench trials, small-batch production runs and R&amp;D validation \u2014 the same plate-pack geometry as our production machines.<\/figcaption><\/figure>\n<div>\n<ul class=\"lw-sludge-checks\">\n<li><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span class=\"lw-sludge-check-txt\"><b>Feed characterisation<\/b> \u2014 dry solids content and the organic \/ inorganic mix of your sludge.<\/span><\/li>\n<li><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span class=\"lw-sludge-check-txt\"><b>Filterability<\/b> \u2014 capillary suction time (CST) and specific resistance to filtration (SRF).<\/span><\/li>\n<li><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span class=\"lw-sludge-check-txt\"><b>Conditioning<\/b> \u2014 the optimum polymer type and dose, or inorganic flocculant where it performs better.<\/span><\/li>\n<li><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span class=\"lw-sludge-check-txt\"><b>Cake dryness<\/b> \u2014 against pressure and filtration time, including the membrane-squeeze option.<\/span><\/li>\n<li><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span class=\"lw-sludge-check-txt\"><b>Solids capture<\/b> \u2014 and the clarity of the filtrate returned to your process.<\/span><\/li>\n<li><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span class=\"lw-sludge-check-txt\"><b>Chemistry for materials selection<\/b> \u2014 pH, temperature, chemical compatibility and odour class.<\/span><\/li>\n<\/ul>\n<p class=\"lw-sludge-note\">Every result lands in the same written report as the machine recommendation \u2014 one document that can back your internal capex review. <a href=\"\/la\/engineering\/technology-selection\/\">Not sure what the numbers mean? Read the selection guide first \u2192<\/a><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p>  <!-- ============ ST-4 SENDING A SAMPLE (reversed split) ============ --><\/p>\n<section class=\"lw-sec lw-sec--alt\">\n<div class=\"lw-container\">\n<p class=\"lw-kicker\" style=\"display:block\">Packing &amp; shipping<\/p>\n<h2>Taking and Sending a Sample<\/h2>\n<div class=\"lw-sludge-split\">\n<div>\n<ul class=\"lw-sludge-checks\">\n<li><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span class=\"lw-sludge-check-txt\"><b>Volume<\/b> \u2014 about 1\u20132 litres of liquid sludge, or 1 kg of already-dewatered cake.<\/span><\/li>\n<li><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span class=\"lw-sludge-check-txt\"><b>Container<\/b> \u2014 sealed and leak-proof, labelled with the date and the source point. The kit we send includes everything you need.<\/span><\/li>\n<li><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span class=\"lw-sludge-check-txt\"><b>Transit<\/b> \u2014 keep it cool and ship it promptly; tell us if freezing is the real condition at your plant, and we will match it in the test.<\/span><\/li>\n<li><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span class=\"lw-sludge-check-txt\"><b>Special feeds<\/b> \u2014 if your sludge is hazardous, corrosive, oily or hot, tell us before you ship. We confirm handling and packaging with you first.<\/span><\/li>\n<\/ul>\n<p class=\"lw-sludge-note\">Not ready to ship? Send the <b>sludge data sheet<\/b> instead \u2014 flow, solids and source are often enough for a first shortlist, and we can agree whether a physical test is worth it.<\/p>\n<\/p><\/div>\n<figure class=\"lw-sludge-media\">\n          <img decoding=\"async\" loading=\"lazy\" alt=\"Loway lab filter press for precision filtration and R&amp;D small-batch production\" src=\"https:\/\/lowayequipment.com\/wp-content\/uploads\/2025\/12\/Lab-Pilot-Filter-Press-for-Precision-Filtration-for-RD-and-Small-Batch-Production-Loway-768x254.png\"><figcaption>The bench unit used for small-batch and R&amp;D filtration runs \u2014 compact enough to trial a single plate pack, representative enough to scale from.<\/figcaption><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p>  <!-- ============ ST-5 WHAT YOU RECEIVE (navy band) ============ --><\/p>\n<section class=\"lw-sec\" style=\"padding-bottom:0\">\n<div class=\"lw-container\">\n<div class=\"lw-band\">\n<p class=\"lw-kicker\" style=\"display:block\">What you receive<\/p>\n<h2>A Written Report You Can Put in Front of Your Board<\/h2>\n<p class=\"lw-band-sub\">No oral \u201cprobably\u201d, no brochure maths. You get the measurements, the reasoning and the recommendation in writing \u2014 and you keep the report whether or not you buy from us.<\/p>\n<div class=\"lw-mini-steps\">\n<div class=\"lw-mini-step\"><b class=\"lw-step-h\"><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M12 2.69l5.66 5.66a8 8 0 1 1-11.31 0z\"\/><\/svg>Feed &amp; behaviour summary<\/b>what your sludge is and how it filters.<\/div>\n<div class=\"lw-mini-step\"><b class=\"lw-step-h\"><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><polygon points=\"12 2 2 7 12 12 22 7 12 2\"\/><polyline points=\"2 17 12 22 22 17\"\/><polyline points=\"2 12 12 17 22 12\"\/><\/svg>Achievable dryness<\/b>per candidate machine, with membrane option.<\/div>\n<div class=\"lw-mini-step\"><b class=\"lw-step-h\"><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M9 3h6M10 3v6l-5.2 8.7A2 2 0 0 0 6.6 21h10.8a2 2 0 0 0 1.8-3.3L14 9V3\"\/><line x1=\"7.4\" y1=\"15\" x2=\"16.6\" y2=\"15\"\/><\/svg>Operating notes<\/b>polymer, cycle time, throughput estimates.<\/div>\n<div class=\"lw-mini-step\"><b class=\"lw-step-h\"><svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8l-6-6z\"\/><polyline points=\"14 2 14 8 20 8\"\/><\/svg>Recommendation<\/b>the technology we recommend \u2014 and why.<\/div>\n<\/p><\/div>\n<div class=\"lw-btn-row\">\n          <a class=\"lw-btn lw-btn--light\" href=\"\/la\/contact-us\/\">Request a Sludge Test<svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/a><br \/>\n          <a class=\"lw-btn lw-btn--ghost-on-dark\" href=\"\/la\/contact-us\/\">Send a sludge data sheet instead<\/a>\n        <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p>  <!-- ============ ST-6 FAQ ============ --><\/p>\n<section class=\"lw-sec\">\n<div class=\"lw-container\">\n<p class=\"lw-kicker lw-center\" style=\"display:block\">Sample &amp; testing FAQ<\/p>\n<h2 class=\"lw-center\">Sludge Testing Questions, Answered<\/h2>\n<div class=\"lw-faq\" style=\"max-width:860px;margin:0 auto;text-align:left\">\n<details>\n<summary>How much sludge do I need to send?<\/summary>\n<div class=\"lw-faq-a\">About one to two litres of liquid sludge, or one kilogram of dewatered cake. For a plant that wants to run its own trials in parallel, we can agree a larger volume when we confirm the scope.<\/div>\n<\/details>\n<details>\n<summary>What does the test cost?<\/summary>\n<div class=\"lw-faq-a\">The lab work and the written report are part of Loway&#8217;s engineering support. Before you ship anything we confirm the scope and any cost you may incur \u2014 normally only the freight \u2014 in writing, so there are no surprises on either side.<\/div>\n<\/details>\n<details>\n<summary>How long until I get the report?<\/summary>\n<div class=\"lw-faq-a\">Every request is acknowledged within 24 hours, and we agree the report date when we confirm the scope \u2014 before you ship. You will have the numbers in hand before any sizing conversation starts.<\/div>\n<\/details>\n<details>\n<summary>Can you test hazardous, oily or chemical sludge?<\/summary>\n<div class=\"lw-faq-a\">We run industrial feeds every day. Tell us what is in yours before you ship \u2014 composition, flash point, corrosivity \u2014 and we confirm handling, packaging and safety requirements with you first.<\/div>\n<\/details>\n<details>\n<summary>Is a pilot trial better than a bench test?<\/summary>\n<div class=\"lw-faq-a\">They answer different questions. The bench test shortlists the technology and gives the report numbers; a pilot then runs your sludge through a real machine at representative throughput to confirm it under production conditions. Most projects start with the bench test and add a pilot only when the purchase is large or the sludge unusual.<\/div>\n<\/details>\n<details>\n<summary>Do I have to buy the machine from Loway afterwards?<\/summary>\n<div class=\"lw-faq-a\">No. The report is yours and the recommendation is written to be technically honest \u2014 if your current process or another supplier&#8217;s machine is the right fit for your sludge, we will say so.<\/div>\n<\/details>\n<details>\n<summary>Where is the test carried out?<\/summary>\n<div class=\"lw-faq-a\">The lab sits inside the Loway plant in Zhenjiang, Jiangsu, China \u2014 the same engineers who size and build the machines run the trials and write the report.<\/div>\n<\/details><\/div>\n<\/p><\/div>\n<\/section>\n<p>  <!-- ============ ST-7 CTA BAND ============ --><\/p>\n<section class=\"lw-sec\" style=\"padding-top:0\">\n<div class=\"lw-container\">\n<div class=\"lw-band\">\n<p class=\"lw-kicker\" style=\"display:block\">Ready when you are<\/p>\n<h2>Send Your Sludge \u2014 We&#8217;ll Shortlist the Machine<\/h2>\n<p class=\"lw-band-sub\">One litre of sludge beats a month of brochure reading. Request the kit, or send your sludge data sheet and let an engineer start the shortlist today.<\/p>\n<div class=\"lw-btn-row\" style=\"margin-top:10px\">\n          <a class=\"lw-btn lw-btn--light\" href=\"\/la\/contact-us\/\">Request a Sludge Test<svg class=\"lw-ic\" viewbox=\"0 0 24 24\" aria-hidden=\"true\" focusable=\"false\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/a><br \/>\n          <a class=\"lw-btn lw-btn--ghost-on-dark\" href=\"\/la\/engineering\/\">Back to Engineering Resources<\/a>\n        <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Engineering Resources \u00b7 Sludge Testing Validate before you buy Test Your Sludge \u2014 Get a Written Recommendation Before You Buy Equipment A bench test on a small sample tells you more than any brochure. We ship you a sampling kit, run filtration and dewatering trials in our lab, and return a written report \u2014 dewatering [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3590,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3740","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sludge Testing &amp; Sample Analysis - Bench Test Before You Buy - Loway Equipment<\/title>\n<meta name=\"description\" content=\"Send a 2L sludge sample and get a bench test report: filterability, achievable cake dryness, recommended technology and cycle settings.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lowayequipment.com\/la\/engineering\/sludge-testing\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sludge Testing &amp; 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