{"id":1703,"date":"2026-09-05T17:20:17","date_gmt":"2026-09-05T22:20:17","guid":{"rendered":"https:\/\/cestoil.com\/?page_id=1703"},"modified":"2026-09-06T08:49:35","modified_gmt":"2026-09-06T13:49:35","slug":"%d8%a7%d9%84%d8%aa%d8%ad%d9%83%d9%85-%d9%81%d9%8a-%d8%a7%d9%84%d9%82%d8%b7%d8%b1%d8%a7%d9%86-%d8%a8%d8%a7%d8%b3%d8%aa%d8%ae%d8%af%d8%a7%d9%85-%d8%a8%d9%88%d9%84%d9%8a%d9%85%d8%b1-%d8%a7%d9%84%d8%b3","status":"publish","type":"page","link":"https:\/\/www.cestoil.com\/ar\/case-studies\/styrene-polymer-tar-control\/","title":{"rendered":"\u0627\u0644\u062d\u062f \u0645\u0646 \u062a\u0643\u0648\u064a\u0646 \u0627\u0644\u0628\u0648\u0644\u064a\u0645\u0631\u0627\u062a \u0648\u0627\u0644\u0642\u0637\u0631\u0627\u0646 \u0641\u064a \u0625\u0646\u062a\u0627\u062c \u0627\u0644\u0633\u062a\u0627\u064a\u0631\u064a\u0646"},"content":{"rendered":"<div class=\"wpb-content-wrapper\" id=\"wpb-content-root\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container 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.cs-card:not([data-area=\"olefin\"]),#cs-mobility:checked~.cs-cards .cs-card:not([data-area=\"mobility\"]),#cs-polymer:checked~.cs-cards .cs-card:not([data-area=\"polymer\"]){display:none}\n@media(max-width:1000px){.cs-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}\n@media(max-width:800px){.cs-page .cpr-hero{grid-template-columns:1fr}.cs-page .cs-observations ul{grid-template-columns:1fr;gap:16px}.cs-page .cpr-hero img{height:260px}}\n@media(max-width:600px){.cs-page h1{font-size:32px!important}.cs-cards{grid-template-columns:1fr;gap:20px}.cs-card img{height:200px}.cs-card-body,.cs-page .cs-observations{padding:22px}.cs-filter+label{margin-right:6px;font-size:15px;padding:10px 12px}.cs-page .cpr-hero img{height:220px}}\n<\/style><article class=\"cpr-page cs-page\" id=\"case-1703\"><nav class=\"cpr-breadcrumb\" aria-label=\"Breadcrumb\"><a href=\"\/case-studies\/\">Case Studies<\/a><span aria-hidden=\"true\">\/<\/span><span>Olefin Operations<\/span><\/nav><header class=\"cpr-hero\"><div><p class=\"cpr-kicker\">Olefin Operations \u00b7 Case study<\/p><h1>Reducing Polymer and Tar Formation in Styrene Production<\/h1><p class=\"cpr-lead\">A styrene producer evaluated a change to its polymerization-control program. Plant personnel and Cestoil reviewed a combined treatment approach, using polymer concentration and tar formation as the principal performance indicators during a plant trial.<\/p><a class=\"cpr-button\" href=\"\/contact\/\">Discuss a similar application<\/a><\/div><figure><img src=\"https:\/\/www.cestoil.com\/wp-content\/uploads\/oil-refineries.jpg\" alt=\"\" decoding=\"async\"><figcaption class=\"cs-note\">Application image; not a photograph of the customer site.<\/figcaption><\/figure><\/header><aside class=\"cs-observations\" aria-label=\"Reported observations\"><h2>Reported observations<\/h2><ul><li>Lower reported polymer concentration<\/li><li>Lower reported tar formation<\/li><li>Combined inhibitor and retarder evaluation<\/li><\/ul><\/aside><section class=\"cpr-section\"><h2>Operating context<\/h2><div class=\"cpr-body\"><p>The plant was reviewing its existing polymerization inhibitor. A replacement program was evaluated in operating equipment to understand the effect on unwanted polymer and tar formation during styrene production.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>Challenge<\/h2><div class=\"cpr-body\"><p>The replacement needed to be assessed against the plant\u2019s actual process response. Polymer concentration and tar generation provided distinct indicators for evaluating the change, with operating conditions and styrene quality considered alongside the trends.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>Evaluation and treatment<\/h2><div class=\"cpr-body\"><p>Cestoil and plant personnel introduced a combined inhibitor and retarder program. The case account follows polymer and tar trends after treatment began. It also associates later changes with styrene quality in the distillation section, making process conditions part of the interpretation.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>Observed results<\/h2><div class=\"cpr-body\"><p>The reported trends show lower polymer concentration and lower tar formation during the treatment period. The results describe the combined program; the trial did not isolate the contribution of each component. These indicators should be kept distinct from production capacity or overall plant efficiency.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>Application considerations<\/h2><div class=\"cpr-body\"><p>For another unit, the evaluation should define sampling points and reporting methods before establishing a baseline. Feed quality, distillation conditions and treatment changes should be logged with the results. Reviewing polymer and tar trends together provides a more useful comparison than relying on a single endpoint.<\/p><\/div><\/section><aside class=\"cpr-related\"><h2>Related product category<\/h2><p><a href=\"https:\/\/www.cestoil.com\/solutions\/petrochemical-additives\/styrene-and-eb-plant-additives\/\">Styrene and EB plant additives<\/a><\/p><\/aside><section class=\"cpr-cta\"><h2>Discuss a similar application<\/h2><p>Useful starting points for a technical review:<\/p><ul><li>Process configuration and feed quality<\/li><li>Treatment program and injection arrangements<\/li><li>Polymer and tar methods, sampling points and baseline trends<\/li><\/ul><a class=\"cpr-button\" href=\"\/contact\/\">Contact our technical team<\/a><\/section><footer class=\"cs-source\"><p>This overview is based on a Cestoil case summary. Observations relate to the reported application and operating conditions; treatment selection requires a review of the intended application.<\/p><a href=\"\/case-studies\/\">Explore all case studies<\/a><\/footer><\/article>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u0642\u064a\u0651\u0645\u062a \u062c\u0647\u0629 \u0645\u064f\u0635\u0646\u0651\u0650\u0639\u0629 \u0644\u0644\u0633\u062a\u0627\u064a\u0631\u064a\u0646 \u062a\u063a\u064a\u064a\u0631\u0627\u064b \u0641\u064a \u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0628\u0644\u0645\u0631\u0629 \u0627\u0644\u062e\u0627\u0635 \u0628\u0647\u0627. \u0648\u0642\u062f \u0627\u0633\u062a\u0639\u0631\u0636 \u0623\u0641\u0631\u0627\u062f \u0627\u0644\u0645\u0635\u0646\u0639 \u0648\u0634\u0631\u0643\u0629 \u0633\u0633\u062a\u0648\u064a\u0644 \u0646\u0647\u062c \u0645\u0639\u0627\u0644\u062c\u0629 \u0645\u0634\u062a\u0631\u0643\u0627\u064b\u060c \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u0631\u0643\u064a\u0632 \u0627\u0644\u0628\u0648\u0644\u064a\u0645\u0631 \u0648\u062a\u0643\u0648\u0651\u0646 \u0627\u0644\u0642\u0637\u0631\u0627\u0646 \u0643\u0645\u0624\u0634\u0631\u0627\u062a \u0623\u062f\u0627\u0621 \u0631\u0626\u064a\u0633\u064a\u0629 \u062e\u0644\u0627\u0644 \u062a\u062c\u0631\u0628\u0629 \u0641\u064a \u0627\u0644\u0645\u0635\u0646\u0639.<\/p>","protected":false},"author":2,"featured_media":0,"parent":669,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-1703","page","type-page","status-publish","hentry","description-off"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1.1 - 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