Sytems and method for CO2 capture and H2 separation with three water-gas shift reactions and warm desulfurization

US9458014B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9458014-B2
Application numberUS-201213729097-A
CountryUS
Kind codeB2
Filing dateDec 28, 2012
Priority dateDec 28, 2012
Publication dateOct 4, 2016
Grant dateOct 4, 2016

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Abstract

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A method and system for capturing and isolating carbon dioxide and hydrogen gases from a high temperature synthesis gas stream containing a substantial amount of CO and sulfur compounds for use as a “clean” supplemental fuel, comprising the steps of reducing the temperature of the high temperature synthesis gas stream, removing substantially all of the sulfur compounds present in the synthesis gas, converting a first portion of CO to carbon dioxide in a first high temperature water-gas shift reaction, converting a second portion of CO to carbon dioxide using a second low temperature water-gas shift reaction, converting a third portion of CO to carbon dioxide using a third low temperature water-gas shift reaction and then separating out substantially all hydrogen present in the treated synthesis gas stream.

First claim

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What is claimed is: 1. A method of capturing and isolating carbon dioxide and hydrogen gases from a high temperature synthesis gas stream containing CO and sulfur compounds, comprising: reducing the temperature of said high temperature synthesis gas stream; removing sulfur compounds present in said synthesis gas stream; converting CO present in said synthesis gas stream to carbon dioxide using a first high temperature water-gas shift reaction; converting CO in said synthesis…

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What does patent US9458014B2 cover?
A method and system for capturing and isolating carbon dioxide and hydrogen gases from a high temperature synthesis gas stream containing a substantial amount of CO and sulfur compounds for use as a “clean” supplemental fuel, comprising the steps of reducing the temperature of the high temperature synthesis gas stream, removing substantially all of the sulfur compounds present in the synthesis …
Who is the assignee on this patent?
Gen Electric, General Electronic Company
What technology area does this patent fall under?
Primary CPC classification C01B3/50. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Oct 04 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).