Purification of gas containing hydrogen sulfide. [Aqueous scrubbing solution containing mixture of Fe/sub 2/(SO/sub 4/)/sub 3/ and ferric salt of 1 or more of lower aliphatic acids removes H/sub 2/S by forming S]
Patent
·
OSTI ID:5189410
- Assignee:
- TIC
- Patent Number(s):
- GB 885961
- OSTI ID:
- 5189410
- Country of Publication:
- United States
- Language:
- English
Similar Records
Removal of hydrogen sulfide from gas mixtures. [Coke-oven gas (6. 8g H/sub 2/S/m/sup 3/) washed with solution of alkaline salts equivalent to 12 kg Na/sub 3/PO/sub 4//m/sup 3/; 56 kg Na/sub 2/HPO/sub 4/, and 50 kg As/sub 2/O/sub 3/; purification is complete; precipitated As/sub 2/S/sub 3/ roasted to produce SO/sub 2/ and recover As/sub 2/O/sub 3/]
Removal of carbon dioxide and hydrogen sulfide from gases. [Gases are washed with ammoniacal solutions containing salts that react with CO/sub 2/ and (or) give sparingly soluble crystalline precipitates, e. g. , NaCl and FeSO/sub 4/; equations NH/sub 3/ + H/sub 2/S = NH/sub 4/HS, FeSO/sub 4/ + NH/sub 4/HS = FeS + (NH/sub 4/)HSO/sub 4/; NH/sub 4/HSO/sub 4/ + NH/sub 3/ = (NH/sub 4/)/sub 2/SO/sub 4/]
Purifying a fuel gas containing hydrogen cyanide, hydrogen sulfide, and ammonia. [Gas scrubbed in aqueous alkali solution containing small particles of S to remove 95% of HCN, 90% of H/sub 2/S, and 30% of NH/sub 3/]
Patent
·
Tue Apr 02 00:00:00 EST 1957
·
OSTI ID:5189410
Removal of carbon dioxide and hydrogen sulfide from gases. [Gases are washed with ammoniacal solutions containing salts that react with CO/sub 2/ and (or) give sparingly soluble crystalline precipitates, e. g. , NaCl and FeSO/sub 4/; equations NH/sub 3/ + H/sub 2/S = NH/sub 4/HS, FeSO/sub 4/ + NH/sub 4/HS = FeS + (NH/sub 4/)HSO/sub 4/; NH/sub 4/HSO/sub 4/ + NH/sub 3/ = (NH/sub 4/)/sub 2/SO/sub 4/]
Patent
·
Mon Nov 21 00:00:00 EST 1955
·
OSTI ID:5189410
Purifying a fuel gas containing hydrogen cyanide, hydrogen sulfide, and ammonia. [Gas scrubbed in aqueous alkali solution containing small particles of S to remove 95% of HCN, 90% of H/sub 2/S, and 30% of NH/sub 3/]
Patent
·
Wed Oct 03 00:00:00 EDT 1973
·
OSTI ID:5189410
+1 more
Related Subjects
01 COAL, LIGNITE, AND PEAT
GASES
DESULFURIZATION
HYDROGEN SULFIDES
OXIDATION
REMOVAL
AQUEOUS SOLUTIONS
IRON SULFATES
SCRUBBING
SULFUR
CHALCOGENIDES
CHEMICAL REACTIONS
DISPERSIONS
ELEMENTS
FLUIDS
HYDROGEN COMPOUNDS
IRON COMPOUNDS
MIXTURES
NONMETALS
OXYGEN COMPOUNDS
SOLUTIONS
SULFATES
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
010402* - Coal
Lignite
& Peat- Purification & Upgrading
GASES
DESULFURIZATION
HYDROGEN SULFIDES
OXIDATION
REMOVAL
AQUEOUS SOLUTIONS
IRON SULFATES
SCRUBBING
SULFUR
CHALCOGENIDES
CHEMICAL REACTIONS
DISPERSIONS
ELEMENTS
FLUIDS
HYDROGEN COMPOUNDS
IRON COMPOUNDS
MIXTURES
NONMETALS
OXYGEN COMPOUNDS
SOLUTIONS
SULFATES
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
010402* - Coal
Lignite
& Peat- Purification & Upgrading