{"id":2394,"date":"2023-12-05T08:06:15","date_gmt":"2023-12-05T00:06:15","guid":{"rendered":"https:\/\/innochems.com\/?p=2394"},"modified":"2024-06-15T03:32:03","modified_gmt":"2024-06-14T19:32:03","slug":"chemical-decontamination","status":"publish","type":"post","link":"https:\/\/www.innochems.com\/?p=2394","title":{"rendered":"Chemical Decontamination"},"content":{"rendered":"\n<p align=\"justify\">Chemical decontamination is the pre-maintenance activities in Refinery and Petrochemical Industries. It roles has become an integral part of efficient unit turnarounds for safer and faster turnarounds.<\/p>\n\n\n\n<p align=\"justify\">Without effective decontamination, there may be delays to vessel entry due to internal conditions, which can lead to additional clean-out operations, delays, personnel and plant-sequence issues, refurbishment and retrofit operations being put on standby, loss of production and escalating costs.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"626\" height=\"371\" src=\"https:\/\/innochems.com\/wp-content\/uploads\/2023\/12\/Snip20200312_658.png\" alt=\"\" class=\"wp-image-2396\" srcset=\"https:\/\/www.innochems.com\/wp-content\/uploads\/2023\/12\/Snip20200312_658.png 626w, https:\/\/www.innochems.com\/wp-content\/uploads\/2023\/12\/Snip20200312_658-300x178.png 300w\" sizes=\"(max-width: 626px) 100vw, 626px\" \/><\/figure>\n<\/div>\n\n\n<p align=\"justify\">Traditional unit preparation work, including steaming to atmosphere or a flare and hydrocarbon flushing, is time-consuming and can leave hidden pockets of hazardous contaminants.<\/p>\n\n\n\n<p align=\"justify\">Decontamination during turnaround (TA) can lead to high exposure to toxic gases, hydrocarbon and chemicals among workers. Turnarounds are time critical, with every minute of downtime costing the operator lost revenue.<\/p>\n\n\n\n<p align=\"justify\">Before mechanical works, all hazardous substances must be removed from the plant equipment.<\/p>\n\n\n\n<p align=\"justify\">The decontamination process in refinery plants usually comprises two methods, \u2013 steaming and circulation.<\/p>\n\n\n\n<p align=\"justify\">No matter what method used, continuous monitoring of toxic gases by using the direct reading instrument must be measured at the end of each decontamination cycle, which may be repeated several times until the reading are in acceptable level.<\/p>\n\n\n\n<p align=\"justify\">Decontamination can be achieved by circulating chemical solution at low concentration, injecting chemicals with steam or a combination of both.<\/p>\n\n\n\n<p align=\"justify\">The exact approach depends on the equipment configuration, fouling mechanism, and deposit analysis.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"380\" height=\"444\" src=\"https:\/\/innochems.com\/wp-content\/uploads\/2023\/12\/Snip20200312_660.png\" alt=\"\" class=\"wp-image-2238\" srcset=\"https:\/\/www.innochems.com\/wp-content\/uploads\/2023\/12\/Snip20200312_660.png 380w, https:\/\/www.innochems.com\/wp-content\/uploads\/2023\/12\/Snip20200312_660-257x300.png 257w\" sizes=\"(max-width: 380px) 100vw, 380px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center\"><strong>Before Cleaning<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"333\" height=\"278\" src=\"https:\/\/innochems.com\/wp-content\/uploads\/2024\/06\/Snip20200312_663-edited-1.png\" alt=\"\" class=\"wp-image-5626\" style=\"width:500px;height:auto\" srcset=\"https:\/\/www.innochems.com\/wp-content\/uploads\/2024\/06\/Snip20200312_663-edited-1.png 333w, https:\/\/www.innochems.com\/wp-content\/uploads\/2024\/06\/Snip20200312_663-edited-1-300x250.png 300w\" sizes=\"(max-width: 333px) 100vw, 333px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center\"><strong>After Cleaning<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"493\" height=\"417\" src=\"https:\/\/innochems.com\/wp-content\/uploads\/2023\/12\/Snip20200312_664.png\" alt=\"\" class=\"wp-image-2240\" srcset=\"https:\/\/www.innochems.com\/wp-content\/uploads\/2023\/12\/Snip20200312_664.png 493w, https:\/\/www.innochems.com\/wp-content\/uploads\/2023\/12\/Snip20200312_664-300x254.png 300w\" sizes=\"(max-width: 493px) 100vw, 493px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-right\"><a href=\"https:\/\/innochems.com\/?page_id=3874\"><\/a><a href=\"https:\/\/innochems.com\/?page_id=3874\">Back \u279c<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chemical decontamination is the pre-maintenance activities in Refinery and Petrochemical Industries. It roles has become an integral part of efficient unit turnarounds for safer and faster turnarounds. Without effective decontamination,&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2237,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[14],"tags":[],"class_list":["post-2394","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cleaning-services"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Chemical Decontamination - Innochems<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.innochems.com\/?p=2394\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chemical Decontamination - Innochems\" \/>\n<meta property=\"og:description\" content=\"Chemical decontamination is the pre-maintenance activities in Refinery and Petrochemical Industries. 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