Method and apparatus for preventing iron contamination in corrosive service

Method and apparatus for preventing iron contamination in corrosive service

This invention relates to processes that generate a gas stream comprising ammonia (NH ) and carbon dioxide (CO ). In particular, the invention relates to a method for reducing undesirable side products that form when ammonia is removed and recovered from the gas stream. A method which reduces iron c...

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Hauptverfasser: Benderly, Abraham, DeCourcy, Michael Stanley, Myers, Ronald Eugene
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Sprache:eng
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creator Benderly, Abraham
DeCourcy, Michael Stanley
Myers, Ronald Eugene
description This invention relates to processes that generate a gas stream comprising ammonia (NH ) and carbon dioxide (CO ). In particular, the invention relates to a method for reducing undesirable side products that form when ammonia is removed and recovered from the gas stream. A method which reduces iron contamination of a system which receives ammonia from an ammonia recovery process by one or more of the following techniques:a) Physically separating iron oxide, iron containing colloidal particles, and liquid droplets from the gas stream;b) Preventing AC from depositing on piping via elimination of condensation, thereby preventing corrosion of the piping; orc) Installing piping and equipment that is not susceptible to corrosive attack by AC, thereby eliminating the source of iron contamination.
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In particular, the invention relates to a method for reducing undesirable side products that form when ammonia is removed and recovered from the gas stream. A method which reduces iron contamination of a system which receives ammonia from an ammonia recovery process by one or more of the following techniques:a) Physically separating iron oxide, iron containing colloidal particles, and liquid droplets from the gas stream;b) Preventing AC from depositing on piping via elimination of condensation, thereby preventing corrosion of the piping; orc) Installing piping and equipment that is not susceptible to corrosive attack by AC, thereby eliminating the source of iron contamination.</description><language>eng</language><creationdate>2004</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6706093$$EPDF$$P50$$Guspatents$$Hfree_for_read</linktopdf><link.rule.ids>230,308,780,802,885,64039</link.rule.ids><linktorsrc>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6706093$$EView_record_in_USPTO$$FView_record_in_$$GUSPTO$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Benderly, Abraham</creatorcontrib><creatorcontrib>DeCourcy, Michael Stanley</creatorcontrib><creatorcontrib>Myers, Ronald Eugene</creatorcontrib><creatorcontrib>Rohm and Haas Company</creatorcontrib><title>Method and apparatus for preventing iron contamination in corrosive service</title><description>This invention relates to processes that generate a gas stream comprising ammonia (NH ) and carbon dioxide (CO ). 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In particular, the invention relates to a method for reducing undesirable side products that form when ammonia is removed and recovered from the gas stream. A method which reduces iron contamination of a system which receives ammonia from an ammonia recovery process by one or more of the following techniques:a) Physically separating iron oxide, iron containing colloidal particles, and liquid droplets from the gas stream;b) Preventing AC from depositing on piping via elimination of condensation, thereby preventing corrosion of the piping; orc) Installing piping and equipment that is not susceptible to corrosive attack by AC, thereby eliminating the source of iron contamination.</abstract><oa>free_for_read</oa></addata></record>
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title Method and apparatus for preventing iron contamination in corrosive service
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