AMMONIA RECOVERY WITH PURGE FOR CORROSION CONTROL

The present invention relates to reduction of corrosion. The present invention includes a method of decreasing corrosion during ammonia extraction. The method includes performing a process to extract ammonia using ammonia extraction equipment. The ammonia extraction equipment includes an ammonia abs...

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Hauptverfasser:	RENNER, MARTIN, J, MICKA, THOMAS, A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS AMMONIA CHEMISTRY COMPOUNDS THEREOF CYANOGEN INORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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creator	RENNER, MARTIN, J MICKA, THOMAS, A
description	The present invention relates to reduction of corrosion. The present invention includes a method of decreasing corrosion during ammonia extraction. The method includes performing a process to extract ammonia using ammonia extraction equipment. The ammonia extraction equipment includes an ammonia absorber, an ammonia desorber, and an aqueous solution. The aqueous solution includes an acid or an ammonium salt thereof. The method also includes purging at least part of the aqueous solution. The purged part of the aqueous solution includes at least one corrosion-promoting ion. The method also includes adding a replacement aqueous solution to the aqueous solution. The replacement aqueous solution has a reduced concentration of the at least one corrosion-promoting ion as compared to the purged part of the aqueous solution. The invention also provides a system that can perform the method. La présente invention concerne la réduction de la corrosion. La présente invention comprend un procédé de diminution de la corrosion pendant l'extraction d'ammoniac. Le procédé comprend la réalisation d'un procédé pour extraire de l'ammoniac à l'aide d'un équipement d'extraction d'ammoniac. L'équipement d'extraction d'ammoniac comprend un absorbeur d'ammoniac, un désorbeur d'ammoniac et une solution aqueuse. La solution aqueuse comprend un acide ou un sel d'ammonium de celui-ci. Le procédé comprend également la purge d'au moins une partie de la solution aqueuse. La partie purgée de la solution aqueuse comprend au moins un ion favorisant la corrosion. Le procédé comprend également l'ajout d'une solution aqueuse de remplacement à la solution aqueuse. La solution aqueuse de remplacement a une concentration réduite en le au moins un ion favorisant la corrosion par comparaison à la partie purgée de la solution aqueuse. L'invention concerne également un système qui peut réaliser le procédé.
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The method includes performing a process to extract ammonia using ammonia extraction equipment. The ammonia extraction equipment includes an ammonia absorber, an ammonia desorber, and an aqueous solution. The aqueous solution includes an acid or an ammonium salt thereof. The method also includes purging at least part of the aqueous solution. The purged part of the aqueous solution includes at least one corrosion-promoting ion. The method also includes adding a replacement aqueous solution to the aqueous solution. The replacement aqueous solution has a reduced concentration of the at least one corrosion-promoting ion as compared to the purged part of the aqueous solution. The invention also provides a system that can perform the method. La présente invention concerne la réduction de la corrosion. La présente invention comprend un procédé de diminution de la corrosion pendant l'extraction d'ammoniac. Le procédé comprend la réalisation d'un procédé pour extraire de l'ammoniac à l'aide d'un équipement d'extraction d'ammoniac. L'équipement d'extraction d'ammoniac comprend un absorbeur d'ammoniac, un désorbeur d'ammoniac et une solution aqueuse. La solution aqueuse comprend un acide ou un sel d'ammonium de celui-ci. Le procédé comprend également la purge d'au moins une partie de la solution aqueuse. La partie purgée de la solution aqueuse comprend au moins un ion favorisant la corrosion. Le procédé comprend également l'ajout d'une solution aqueuse de remplacement à la solution aqueuse. La solution aqueuse de remplacement a une concentration réduite en le au moins un ion favorisant la corrosion par comparaison à la partie purgée de la solution aqueuse. 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La présente invention comprend un procédé de diminution de la corrosion pendant l'extraction d'ammoniac. Le procédé comprend la réalisation d'un procédé pour extraire de l'ammoniac à l'aide d'un équipement d'extraction d'ammoniac. L'équipement d'extraction d'ammoniac comprend un absorbeur d'ammoniac, un désorbeur d'ammoniac et une solution aqueuse. La solution aqueuse comprend un acide ou un sel d'ammonium de celui-ci. Le procédé comprend également la purge d'au moins une partie de la solution aqueuse. La partie purgée de la solution aqueuse comprend au moins un ion favorisant la corrosion. Le procédé comprend également l'ajout d'une solution aqueuse de remplacement à la solution aqueuse. La solution aqueuse de remplacement a une concentration réduite en le au moins un ion favorisant la corrosion par comparaison à la partie purgée de la solution aqueuse. 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The present invention includes a method of decreasing corrosion during ammonia extraction. The method includes performing a process to extract ammonia using ammonia extraction equipment. The ammonia extraction equipment includes an ammonia absorber, an ammonia desorber, and an aqueous solution. The aqueous solution includes an acid or an ammonium salt thereof. The method also includes purging at least part of the aqueous solution. The purged part of the aqueous solution includes at least one corrosion-promoting ion. The method also includes adding a replacement aqueous solution to the aqueous solution. The replacement aqueous solution has a reduced concentration of the at least one corrosion-promoting ion as compared to the purged part of the aqueous solution. The invention also provides a system that can perform the method. La présente invention concerne la réduction de la corrosion. La présente invention comprend un procédé de diminution de la corrosion pendant l'extraction d'ammoniac. Le procédé comprend la réalisation d'un procédé pour extraire de l'ammoniac à l'aide d'un équipement d'extraction d'ammoniac. L'équipement d'extraction d'ammoniac comprend un absorbeur d'ammoniac, un désorbeur d'ammoniac et une solution aqueuse. La solution aqueuse comprend un acide ou un sel d'ammonium de celui-ci. Le procédé comprend également la purge d'au moins une partie de la solution aqueuse. La partie purgée de la solution aqueuse comprend au moins un ion favorisant la corrosion. Le procédé comprend également l'ajout d'une solution aqueuse de remplacement à la solution aqueuse. La solution aqueuse de remplacement a une concentration réduite en le au moins un ion favorisant la corrosion par comparaison à la partie purgée de la solution aqueuse. L'invention concerne également un système qui peut réaliser le procédé.</abstract><oa>free_for_read</oa></addata></record>
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subjects	ACYCLIC OR CARBOCYCLIC COMPOUNDS AMMONIA CHEMISTRY COMPOUNDS THEREOF CYANOGEN INORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
title	AMMONIA RECOVERY WITH PURGE FOR CORROSION CONTROL
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