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Process for the removal of hydrogen sulfide from gaseous streams by catalytic oxidation of hydrogen sulfide to sulfur while inhibiting the formation of sulfur oxides

Patent ·
OSTI ID:7076506
A process is provided for removing hydrogen sulfide and alkyl mercaptans from gaseous streams. The hydrogen sulfide is oxidized catalytically to sulfur, substantially without formation of sulfur oxides, in the presence of a metal chelate catalyst solution and a soluble alkali metal or alkaline earth metal or ammonium or amine salt of an acid having a pK within the range from about 1.2 to about 6. The alkyl mercaptans are oxidized to dialkyl disulfides under the same conditions.
Assignee:
Rhodia, Inc.
Patent Number(s):
US 4009251
OSTI ID:
7076506
Country of Publication:
United States
Language:
English

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Related Subjects

42 ENGINEERING
424000* -- Engineering-- Pollution Control Equipment-- (1980-1989)
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR POLLUTION CONTROL
CATALYSIS
CATALYSTS
CHALCOGENIDES
CHEMICAL REACTIONS
ELEMENTS
GASEOUS WASTES
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
NONMETALS
OXIDATION
OXIDES
OXYGEN COMPOUNDS
POLLUTION CONTROL
SULFIDES
SULFUR
SULFUR COMPOUNDS
SULFUR OXIDES
WASTES