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Nickel sulfide process for the removal of H/sub 2/S

Patent ·
OSTI ID:5788071
;
A continuous process for the selective removal of hydrogen sulfide from a hot gas stream containing hydrogen sulfide by contacting the effluent with particulate nickel or nickel oxide at a temperature whereby the hydrogen sulfide will react to form surface coatings of a sulfur/nickel liquid phase. The temperature of the system is maintained in a range so that the sulfur containing liquid phase continuously drains off of the particulate solid phase exposing fresh surface areas for further reaction. The liquid phase separates from the solid phase, is removed from the reaction zone and collected for processing for recovery of nickel.
Assignee:
Foster Wheeler Energy Corp
Patent Number(s):
US 4196174
OSTI ID:
5788071
Country of Publication:
United States
Language:
English

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Related Subjects

01 COAL, LIGNITE, AND PEAT
010402* -- Coal
Lignite
& Peat-- Purification & Upgrading
010404 -- Coal
Lignite
& Peat-- Gasification
010800 -- Coal
Lignite
& Peat-- Waste Management
CHALCOGENIDES
CHEMICAL REACTIONS
COAL GAS
COAL GASIFICATION
DEPOSITION
DESULFURIZATION
ELEMENTS
FLUIDS
GASEOUS WASTES
GASES
GASIFICATION
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
METALS
NICKEL
NICKEL COMPOUNDS
NICKEL OXIDES
OXIDES
OXYGEN COMPOUNDS
PACKED BED
PARTICLE SIZE
REMOVAL
SEPARATION PROCESSES
SIZE
SULFIDES
SULFUR COMPOUNDS
SURFACE COATING
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
WASTES