Removing sulfur dioxide from gases. [By absorption in an aqueous solution of a nonvolatile water-soluble salt, e. g. alkali, or NH/sub 4/ salt of a weak acid such as benzoic, fumaric, phthalic, salicylic, or sulfanilic acids]
Patent
·
OSTI ID:5316951
- Assignee:
- Raymond F.. Bacon
- Patent Number(s):
- DE 706833
- OSTI ID:
- 5316951
- Country of Publication:
- United States
- Language:
- English
Similar Records
Recovery of sulphur dioxide from gases. [Treatment of gases with aqueous solution of salt of water-soluble weak acid such as acetic, benzoic, fumaric, lactic, phosphoric, citric, and tartaric]
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/]
Selective absorption of hydrogen sulfide from mixtures with carbon dioxide. [Washing solution is aqueous NH/sub 4/OH, KOH, NaOH, or salt of weak organic acid with strong inorganic base]
Patent
·
Tue Jan 10 00:00:00 EST 1939
·
OSTI ID:5316951
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:5316951
Selective absorption of hydrogen sulfide from mixtures with carbon dioxide. [Washing solution is aqueous NH/sub 4/OH, KOH, NaOH, or salt of weak organic acid with strong inorganic base]
Patent
·
Thu Nov 24 00:00:00 EST 1960
·
OSTI ID:5316951
Related Subjects
01 COAL, LIGNITE, AND PEAT
GASES
DESULFURIZATION
SULFUR DIOXIDE
REMOVAL
AMMONIUM COMPOUNDS
AQUEOUS SOLUTIONS
BENZOIC ACID
FUMARIC ACID
PHTHALIC ACID
SALICYLIC ACID
SULFANILIC ACID
AMINES
CARBOXYLIC ACIDS
CHALCOGENIDES
CHEMICAL REACTIONS
DICARBOXYLIC ACIDS
DISPERSIONS
FLUIDS
HYDROXY ACIDS
MIXTURES
MONOCARBOXYLIC ACIDS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
SOLUTIONS
SULFONIC ACIDS
SULFUR COMPOUNDS
SULFUR OXIDES
010402* - Coal
Lignite
& Peat- Purification & Upgrading
010800 - Coal
Lignite
& Peat- Waste Management
GASES
DESULFURIZATION
SULFUR DIOXIDE
REMOVAL
AMMONIUM COMPOUNDS
AQUEOUS SOLUTIONS
BENZOIC ACID
FUMARIC ACID
PHTHALIC ACID
SALICYLIC ACID
SULFANILIC ACID
AMINES
CARBOXYLIC ACIDS
CHALCOGENIDES
CHEMICAL REACTIONS
DICARBOXYLIC ACIDS
DISPERSIONS
FLUIDS
HYDROXY ACIDS
MIXTURES
MONOCARBOXYLIC ACIDS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
SOLUTIONS
SULFONIC ACIDS
SULFUR COMPOUNDS
SULFUR OXIDES
010402* - Coal
Lignite
& Peat- Purification & Upgrading
010800 - Coal
Lignite
& Peat- Waste Management