{"id":7171,"date":"2025-02-04T17:32:22","date_gmt":"2025-02-04T17:32:22","guid":{"rendered":"https:\/\/www.cranfos.com.br\/equipments\/desnitrificacao\/"},"modified":"2025-04-29T16:07:50","modified_gmt":"2025-04-29T16:07:50","slug":"desnitrificacao","status":"publish","type":"equipments","link":"https:\/\/www.cranfos.com.br\/pt-br\/equipments\/desnitrificacao\/","title":{"rendered":"Desnitrifica\u00e7\u00e3o"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Aprimore o Controle de Emiss\u00f5es com a Tecnologia SCR da CRANFOS e Reduza o NOx em at\u00e9 90%!<\/h2>\n\n<p>A desnitrifica\u00e7\u00e3o de efluentes gasosos \u00e9 um processo fundamental para reduzir a emiss\u00e3o de \u00f3xidos de nitrog\u00eanio (NOx) provenientes de diversos processos industriais, tais como usinas de energia, ind\u00fastrias qu\u00edmicas e petroqu\u00edmicas, ind\u00fastria de vidro, entre outras. Existem v\u00e1rias tecnologias, equipamentos e m\u00e9todos para realizar a desnitrifica\u00e7\u00e3o de efluentes gasosos, como o processo SNCR (Redu\u00e7\u00e3o Seletiva N\u00e3o Catal\u00edtica), sendo o processo SCR (Redu\u00e7\u00e3o Catal\u00edtica Seletiva) um dos mais comuns, entre outros. <\/p>\n\n<p>SCR (Redu\u00e7\u00e3o Catal\u00edtica Seletiva):<\/p>\n\n<p>Um dos m\u00e9todos mais comuns para redu\u00e7\u00e3o de \u00f3xidos de nitrog\u00eanio utilizados nas ind\u00fastrias, o processo SCR \u00e9 altamente eficiente e pode reduzir as emiss\u00f5es de NOx em at\u00e9 90%. Conforme demonstrado nas f\u00f3rmulas de rea\u00e7\u00e3o, a Am\u00f4nia (NH3) \u00e9 injetada juntamente com o g\u00e1s de processo e esta mistura passa por um leito catal\u00edtico, onde s\u00e3o formados N2 e H2O(v). <\/p>\n\n<p>4NH3 + 4NO + O2 \u2192 4N2 + 6H2O<br\/>4NH4 + 2NO2 + O2 \u2192 3N2 + 6H2O<\/p>\n\n<p>O contato com o leito catal\u00edtico atua para reduzir a temperatura de rea\u00e7\u00e3o. Sem a presen\u00e7a de um catalisador, esta rea\u00e7\u00e3o ocorre a aproximadamente 980\u00b0C, e com a presen\u00e7a de um catalisador adequado, pode ser realizada entre 300 e 400\u00b0C. <\/p>\n\n<p>Para mais informa\u00e7\u00f5es, por favor, consulte nossa equipe de Engenharia de Processos.<\/p>\n","protected":false},"featured_media":7049,"parent":0,"template":"","meta":{"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":"","background-image":"","background-repeat":"repeat","background-position":"center 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