{"id":1745,"date":"2026-09-05T18:03:22","date_gmt":"2026-09-05T23:03:22","guid":{"rendered":"https:\/\/cestoil.com\/?page_id=1745"},"modified":"2026-09-06T08:51:48","modified_gmt":"2026-09-06T13:51:48","slug":"controle-de-espuma-em-coqueamento-retardado","status":"publish","type":"page","link":"https:\/\/www.cestoil.com\/pt\/solutions\/delayed-coking-foam-control\/","title":{"rendered":"Controle de espuma no coqueamento retardado"},"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 vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_raw_code wpb_raw_html wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<style>\n.cpr-page{font-family:Lato,Helvetica,Arial,sans-serif;color:#4a4a4a;font-size:17px;line-height:1.75;max-width:1180px;margin:0 auto;padding:34px 0 64px;box-sizing:border-box}\n.cpr-page 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class=\"cpr-page sol-page\"><nav class=\"cpr-breadcrumb\" aria-label=\"Trilha de navega\u00e7\u00e3o\"><a href=\"\/pt\/solucoes\/\">Solu\u00e7\u00f5es<\/a><span aria-hidden=\"true\">\/<\/span><a href=\"\/pt\/solucoes\/#process-optimization\">Otimiza\u00e7\u00e3o de processos<\/a><\/nav><header class=\"cpr-hero\"><div><p class=\"cpr-kicker\">Otimiza\u00e7\u00e3o de processos \u00b7 Solu\u00e7\u00e3o t\u00e9cnica<\/p><h1>Controle de espuma no coqueamento retardado<\/h1><p class=\"cpr-lead\">Avalie a sele\u00e7\u00e3o e a dosagem do antiespumante de forma conjunta, atentando para o arraste de espuma e a presen\u00e7a de silicone nas etapas subsequentes do processamento.<\/p><a class=\"cpr-button\" href=\"\/pt\/contato\/\">Discuta sua aplica\u00e7\u00e3o industrial<\/a><\/div><figure><img src=\"https:\/\/www.cestoil.com\/wp-content\/uploads\/Refinery-Silhouette.jpg\" alt=\"\" decoding=\"async\"><figcaption class=\"sol-note\">A imagem ilustra o contexto da aplica\u00e7\u00e3o.<\/figcaption><\/figure><\/header><aside class=\"sol-steps\" aria-label=\"Abordagem\"><p><strong>Avaliar<\/strong>Estabele\u00e7a o contexto operacional e a linha de base.<\/p><p><strong>Selecionar<\/strong>Adapte a qu\u00edmica e o sistema de entrega \u00e0 aplica\u00e7\u00e3o.<\/p><p><strong>Avaliar<\/strong>Analise a resposta juntamente com as mudan\u00e7as operacionais.<\/p><\/aside><section class=\"cpr-section\"><h2>Controlar a espuma durante o ciclo de coqueifica\u00e7\u00e3o<\/h2><div class=\"cpr-body\"><p>A espuma em um tambor de coque pode ser arrastada para o sistema de vapores e contribuir para a incrusta\u00e7\u00e3o a jusante. O comportamento da espuma varia de acordo com a carga, as condi\u00e7\u00f5es do ciclo e a forma como o tratamento atinge a espuma.<\/p><p>O objetivo \u00e9 estabelecer um programa est\u00e1vel de controle de espuma, dentro dos limites operacionais da refinaria. As decis\u00f5es sobre o tratamento devem levar em conta o destino subsequente dos produtos do coqueamento, bem como o pr\u00f3prio tambor de coque.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>Considere o desempenho do antiespumante e o arraste de silicone.<\/h2><div class=\"cpr-body\"><p>Antiespumantes \u00e0 base de silicone s\u00e3o abordados na documenta\u00e7\u00e3o de refer\u00eancia para opera\u00e7\u00f5es de coqueamento retardado. O comportamento desses produtos na temperatura do processo, a sua aplica\u00e7\u00e3o na espuma e a sua potencial contribui\u00e7\u00e3o para o teor de sil\u00edcio nos produtos da unidade de coqueamento s\u00e3o aspectos relacionados a serem considerados.<\/p><p>N\u00e3o se deve presumir que uma formula\u00e7\u00e3o com bom desempenho em uma unidade de coqueamento apresentar\u00e1 o mesmo resultado em outra. O comportamento t\u00e9rmico em laborat\u00f3rio auxilia na avalia\u00e7\u00e3o do produto, mas n\u00e3o determina, por si s\u00f3, o desempenho na planta industrial.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>Analise o esquema de entrega<\/h2><div class=\"cpr-body\"><p>Cestoil avalia a sele\u00e7\u00e3o do tratamento em conjunto com os sistemas existentes de dilui\u00e7\u00e3o, dosagem e inje\u00e7\u00e3o. A mistura, a distribui\u00e7\u00e3o, a confiabilidade da inje\u00e7\u00e3o e o momento da aplica\u00e7\u00e3o podem influenciar a quantidade de material que chega ao local de destino.<\/p><ul><li>Condi\u00e7\u00f5es de alimenta\u00e7\u00e3o e de ciclo associadas a eventos de forma\u00e7\u00e3o de espuma ou arraste<\/li><li>Formula\u00e7\u00e3o antiespumante, propriedades de manuseio e sistema de aplica\u00e7\u00e3o atual<\/li><li>Roteamento de produtos a jusante e requisitos de monitoramento de sil\u00edcio<\/li><\/ul><\/div><\/section><section class=\"cpr-section\"><h2>Avaliar um ciclo completo<\/h2><div class=\"cpr-body\"><p>Registre observa\u00e7\u00f5es sobre forma\u00e7\u00e3o de espuma ou arraste, o consumo de antiespumante e as altera\u00e7\u00f5es operacionais durante a compara\u00e7\u00e3o. Ao monitorar o teor de sil\u00edcio nas correntes de produto, mantenha a consist\u00eancia quanto \u00e0 posi\u00e7\u00e3o de amostragem e ao momento do ciclo de coqueamento.<\/p><p>Uma amostra pontual coletada durante um pico de tratamento n\u00e3o deve ser apresentada como uma m\u00e9dia de todo o ciclo. Qualquer altera\u00e7\u00e3o proposta deve ser avaliada considerando tanto o controle de espuma quanto os requisitos das unidades a jusante.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>Definir em comum acordo os limites da implementa\u00e7\u00e3o<\/h2><div class=\"cpr-body\"><p>Altera\u00e7\u00f5es nos equipamentos de inje\u00e7\u00e3o e nas condi\u00e7\u00f5es operacionais requerem an\u00e1lise pela equipe da refinaria. Estabele\u00e7a o plano de monitoramento e as orienta\u00e7\u00f5es espec\u00edficas do produto antes de realizar um teste. Esta vis\u00e3o geral n\u00e3o prescreve a geometria dos bicos, as propor\u00e7\u00f5es de dilui\u00e7\u00e3o ou uma taxa de tratamento universal.<\/p><\/div><\/section><aside class=\"cpr-related\"><h2>Produtos relacionados<\/h2><ul><li><a href=\"https:\/\/www.cestoil.com\/pt\/solucoes\/produtos-quimicos-de-processo\/antiespumantes-2\/\">Antiespumantes para refinarias<\/a><\/li><\/ul><\/aside><section class=\"cpr-cta\"><h2>Discuta seu desafio operacional<\/h2><p>Informa\u00e7\u00f5es \u00fateis para uma an\u00e1lise t\u00e9cnica inicial:<\/p><ul><li>Carga da unidade de coqueamento, informa\u00e7\u00f5es sobre o ciclo e hist\u00f3rico de arraste<\/li><li>Configura\u00e7\u00e3o atual de antiespumante e sistema de dosagem<\/li><li>Observa\u00e7\u00f5es de sil\u00edcio a jusante e cronograma de amostragem<\/li><\/ul><a class=\"cpr-button\" href=\"\/pt\/contato\/\">Entre em contato com nossa equipe t\u00e9cnica<\/a><\/section><\/article>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Avalie a sele\u00e7\u00e3o e a dosagem do antiespumante de forma conjunta, atentando para o arraste de espuma e a presen\u00e7a de silicone nas etapas subsequentes do processamento.<\/p>","protected":false},"author":2,"featured_media":0,"parent":91,"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-1745","page","type-page","status-publish","hentry","description-off"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"An application-led approach to coker foam control, antifoam delivery and monitoring of 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