Two-stage gas washing method
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United States of America Patent
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Jul 18, 2017
Grant Date -
Aug 23, 2012
app pub date -
Feb 8, 2012
filing date -
Feb 8, 2011
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Abstract
The present description is related to the field of hydrocarbon production by gasification of carbonaceous material. It provides a two-stage gas washing method as a part of gas refining. More specifically it discloses a method for hydrogen sulfide and carbon dioxide removal from synthesis gas produced by gasification. It introduces a use of a novel combination of wash approaches for this application. As a specific application, this process is utilized as a part of biomass to liquid (BTL) process.
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