Method and apparatus for adjustably treating a sour gas

A feed gas comprising CO2 , H2S and H2 is treated to produce an H 2 -enriched product and an H2S-lean, CO2 product. The feed gas is separated to provide the H 2 -enriched product and a stream of sour gas. The stream of sour gas is divided into two parts, one of which is processed in an H2S removal s...

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Main Authors KLOOSTERMAN JEFFREY WILLIAM, HUFTON JEFFREY RAYMOND, FOGASH KEVIN BOYLE, SCHAFFER CHARLES LINFORD, WRIGHT ANDREW DAVID
Format Patent
LanguageChinese
English
Published 02.05.2012
Subjects
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Summary:A feed gas comprising CO2 , H2S and H2 is treated to produce an H 2 -enriched product and an H2S-lean, CO2 product. The feed gas is separated to provide the H 2 -enriched product and a stream of sour gas. The stream of sour gas is divided into two parts, one of which is processed in an H2S removal system to form one or more streams of sweetened gas, and the other of which bypasses the H2S removal system, the stream(s) of sweetened gas and the sour gas bypassing the H2S removal system then being recombined to form the H2S-lean, CO2 product gas. The division of the sour gas between being sent to and bypassing the H 2 S removal system is adjusted responsive to changes in the H2S content of the sour gas, so as to dampen or cancel the effects of said changes on the H2S content of the H2S-lean, CO2 product gas.
Bibliography:Application Number: CN201110230657