{"id":465,"date":"2019-09-17T14:26:25","date_gmt":"2019-09-17T12:26:25","guid":{"rendered":"https:\/\/interkat.com\/?page_id=465"},"modified":"2019-09-17T14:27:18","modified_gmt":"2019-09-17T12:27:18","slug":"hydrolysis-catalyst-h-kat","status":"publish","type":"page","link":"https:\/\/interkat.com\/en\/technologies\/hydrolysis-catalyst-h-kat\/","title":{"rendered":"Hydrolysis Catalyst (H-Kat)"},"content":{"rendered":"\n

The\nconversion of nitrogen oxides (NOX<\/sub>) of a SCR system highly depends\non the availability of ammonia (NH3<\/sub>) generated from the injected\nAdBlue\u00ae (32.5% aqueous urea solution). The release of NH3 is a chemical process\nwhich is dependent on temperature and the available time in order to convert the\nurea ((NH2<\/sub>)2CO) solution completely to ammonia (NH3<\/sub>).\nThis reaction occurs in multiple, subsequent steps.<\/p>\n\n\n\n

1.    \nEvaporation of water<\/h6>\n\n\n\n

[(NH2<\/sub>)2CO\u20227H2<\/sub>O]         \u2192        [(NH2<\/sub>)2CO]\n+ 7H2<\/sub>O<\/p>\n\n\n\n

2.     Thermolysis of urea<\/h6>\n\n\n\n

[(NH2<\/sub>)2CO]                   \u2192        NH3<\/sub> + HNCO<\/p>\n\n\n\n

3.     Hydrolysis of isocyanic acid<\/h6>\n\n\n\n

HNCO + H2<\/sub>O                 \u2192        NH3<\/sub> + CO2<\/sub><\/p>\n\n\n\n

Low\ntemperatures and short reaction times \u2013 especially in combination with high\ndosing rates of urea \u2013 lead to the formation of undesired solid by-products\n(e.g. cyanuric acid) which block the exhaust gas aftertreatment system and cannot\nbe vaporized again during the standard operation conditions of combustion\nengines.   <\/p>\n\n\n\n

4.     Formation of cyanuric acid<\/h6>\n\n\n\n

3 HNCO                         \u2192        [(HNCO)3<\/sub>]solid<\/sub><\/p>\n\n\n\n

The unique\nhydrolysis catalyst technology of INTERKAT enables our customers to achieve\ncomplete conversion of urea into ammonia even in difficult conditions and avoid\nthe risk of blockage due to residues e.g. cyanuric acid. With this technology,\nammonia can be supplied at significantly lower temperatures, offering you the\npossibility to design an effective low temperature SCR system which will become\nmandatory for future emission legislation. \nINTERKAT hydrolysis technology can be used for different types of\ncatalyst substrates (e.g. electrically heated catalysts) but also as a coating\non specific component parts of the exhaust system.<\/p>\n\n\n\n

\u201cINTERKAT\nwill always provide the optimal catalyst for your application\u201d<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

The conversion of nitrogen oxides (NOX) of a SCR system highly depends on the availability of ammonia (NH3) generated from the injected AdBlue\u00ae (32.5% aqueous urea solution). The release of NH3 is a chemical process which is dependent on temperature and the available time in order to convert the urea ((NH2)2CO) solution completely to ammonia… Read more »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":10,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-product-oxi.php","meta":{"_acf_changed":false,"advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","footnotes":""},"class_list":["post-465","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nHydrolysis Catalyst (H-Kat) - Interkat<\/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:\/\/interkat.com\/en\/technologies\/hydrolysis-catalyst-h-kat\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hydrolysis Catalyst (H-Kat) - Interkat\" \/>\n<meta property=\"og:description\" content=\"The conversion of nitrogen oxides (NOX) of a SCR system highly depends on the availability of ammonia (NH3) generated from the injected AdBlue\u00ae (32.5% aqueous urea solution). The release of NH3 is a chemical process which is dependent on temperature and the available time in order to convert the urea ((NH2)2CO) solution completely to ammonia... 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The release of NH3 is a chemical process which is dependent on temperature and the available time in order to convert the urea ((NH2)2CO) solution completely to ammonia... 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