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Process for separating, especially in multiple stages, acid components such as CO/sub 2/, HCN and specifically H/sub 2/S, from gases, especially from coke oven gases, by means of ammonia recirculation scrubbing

Patent ·
OSTI ID:5839602
;
A process of separating in multiple stages acid components in coke oven gas such as CO/sub 2/, HCN and particularly H/sub 2/S by ammonia scrubbing wherein the ammonia used in scrubbing is deacidified to remove the acid components and is recirculated to the scrubbing process at least in part as substantially pure liquid ammonia.
Assignee:
Didier Engineering GmbH (Germany, Federal Republic of)
Patent Number(s):
US 4477420
OSTI ID:
5839602
Country of Publication:
United States
Language:
English

Similar Records

Developments in H/sub 2/S and HCN removal from coke-oven gas
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Continuous process for scrubbing out hydrogen sulfide and ammonia from coke oven gas. [9 claims]
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Related Subjects

01 COAL, LIGNITE, AND PEAT
010800* -- Coal
Lignite
& Peat-- Waste Management
AMMONOLYSIS
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
COAL GAS
COKE OVENS
DECARBONIZATION
DECOMPOSITION
DENITRIFICATION
DESULFURIZATION
FLUIDS
GASEOUS WASTES
GASES
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
INORGANIC ACIDS
NITRIC ACID
OXIDES
OXYGEN COMPOUNDS
SCRUBBING
SOLVOLYSIS
SULFIDES
SULFUR COMPOUNDS
WASTES