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Title: Process for the removal of hydrogen sulfide from gas streams

Abstract

The feed for Claus sulfur-recovery plants generally consists of the hydrogen sulfide-containing gases produced during the regeneration step of gas-purification processes that reduce the quantity of sulfur-containing components in industrial gases such as refinery gas, natural gas, and synthesis gases obtained from the partial combustion of hydrocarbons and coal. This improved purification process works exceptionally well on gases containing relatively high amounts of carbon dioxide in comparison with the gas's hydrogen sulfide content, thus avoiding the downstream operating difficulties that arise when a Claus-plant feed-gas stream contains too much carbon dioxide. In addition to removing hydrogen sulfide and carbon dioxide, the gas-purification process can handle carbonyl sulfides and mercaptans as well. Moreover, the process increases the sulfur-recovery efficiency of the Claus unit by subjecting the Claus off-gases to a further treatment for removal of residual sulfur compounds.

Inventors:
; ;
Publication Date:
OSTI Identifier:
5854323
Patent Number(s):
US 4241032
Assignee:
Shell Oil Co.
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
03 NATURAL GAS; HYDROGEN SULFIDES; REMOVAL; NATURAL GAS; PURIFICATION; REFINERY GASES; SYNTHESIS GAS; CLAUS PROCESS; CHALCOGENIDES; ENERGY SOURCES; FLUIDS; FOSSIL FUELS; FUEL GAS; FUELS; GAS FUELS; GASES; HYDROGEN COMPOUNDS; PETROLEUM; PETROLEUM FRACTIONS; PETROLEUM PRODUCTS; SULFIDES; SULFUR COMPOUNDS; 030300* - Natural Gas- Drilling, Production, & Processing

Citation Formats

Werner, E S.E., Ouwerkerk, C, and Cornelisse, R. Process for the removal of hydrogen sulfide from gas streams. United States: N. p., 1980. Web.
Werner, E S.E., Ouwerkerk, C, & Cornelisse, R. Process for the removal of hydrogen sulfide from gas streams. United States.
Werner, E S.E., Ouwerkerk, C, and Cornelisse, R. Tue . "Process for the removal of hydrogen sulfide from gas streams". United States.
@article{osti_5854323,
title = {Process for the removal of hydrogen sulfide from gas streams},
author = {Werner, E S.E. and Ouwerkerk, C and Cornelisse, R},
abstractNote = {The feed for Claus sulfur-recovery plants generally consists of the hydrogen sulfide-containing gases produced during the regeneration step of gas-purification processes that reduce the quantity of sulfur-containing components in industrial gases such as refinery gas, natural gas, and synthesis gases obtained from the partial combustion of hydrocarbons and coal. This improved purification process works exceptionally well on gases containing relatively high amounts of carbon dioxide in comparison with the gas's hydrogen sulfide content, thus avoiding the downstream operating difficulties that arise when a Claus-plant feed-gas stream contains too much carbon dioxide. In addition to removing hydrogen sulfide and carbon dioxide, the gas-purification process can handle carbonyl sulfides and mercaptans as well. Moreover, the process increases the sulfur-recovery efficiency of the Claus unit by subjecting the Claus off-gases to a further treatment for removal of residual sulfur compounds.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1980},
month = {12}
}