Catalytic autooxidation of hydrogen sulfide in wastewater
Journal Article
·
· Environmental Science and Technology; (United States)
- California Inst. of Tech., Pasadena (United States)
The catalytic effectiveness of cobalt (II)-4,4{prime},4{double prime},4{prime}{prime}{prime}-tetrasulfophthalocyanine (Co{sup II}TSP) for the autooxidation of hydrogen sulfide, S(-II), in wastewater was investigated. At pH 7 and 25C the rate of S(-II) oxidation is first order with respect to (S(-II)). A fractional order on the catalyst was observed. At oxygen concentrations of 15-200 {mu}M the oxygen dependence can be described by simple Michael-is-Menten kinetics with K = 65 {mu}M. The uncatalyzed oxidation of sulfide by molecular oxygen was found to be faster in wastewater than in clean water. This difference was attributed to microbial oxidation of S(-II) and to catalytic action of transition metals present in wastewater.
- OSTI ID:
- 5135943
- Journal Information:
- Environmental Science and Technology; (United States), Journal Name: Environmental Science and Technology; (United States) Vol. 25:6; ISSN ESTHA; ISSN 0013-936X
- Country of Publication:
- United States
- Language:
- English
Similar Records
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Conference
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Mon Dec 31 23:00:00 EST 1979
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Related Subjects
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320305 -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Industrial Waste Management
320604* -- Energy Conservation
Consumption
& Utilization-- Municipalities & Community Systems-- Municipal Waste Management-- (1980-)
BUFFERS
BUILDING MATERIALS
CATALYSIS
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL ANALYSIS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
COBALT COMPLEXES
COMPLEXES
CONCRETES
DESULFURIZATION
ELECTRODES
ELEMENTS
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
INORGANIC ACIDS
LIQUID WASTES
MATERIALS
MEASURING INSTRUMENTS
METALS
MICROORGANISMS
OXIDATION
OXYGEN COMPOUNDS
PH VALUE
QUALITATIVE CHEMICAL ANALYSIS
SILVER COMPOUNDS
SILVER SULFIDES
SPECTROMETERS
SULFIDES
SULFUR COMPOUNDS
SULFURIC ACID
SYNTHESIS
TRANSITION ELEMENT COMPLEXES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
ULTRAVIOLET SPECTROMETERS
WASTE WATER
WASTES
WATER
320305 -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Industrial Waste Management
320604* -- Energy Conservation
Consumption
& Utilization-- Municipalities & Community Systems-- Municipal Waste Management-- (1980-)
BUFFERS
BUILDING MATERIALS
CATALYSIS
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL ANALYSIS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
COBALT COMPLEXES
COMPLEXES
CONCRETES
DESULFURIZATION
ELECTRODES
ELEMENTS
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
INORGANIC ACIDS
LIQUID WASTES
MATERIALS
MEASURING INSTRUMENTS
METALS
MICROORGANISMS
OXIDATION
OXYGEN COMPOUNDS
PH VALUE
QUALITATIVE CHEMICAL ANALYSIS
SILVER COMPOUNDS
SILVER SULFIDES
SPECTROMETERS
SULFIDES
SULFUR COMPOUNDS
SULFURIC ACID
SYNTHESIS
TRANSITION ELEMENT COMPLEXES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
ULTRAVIOLET SPECTROMETERS
WASTE WATER
WASTES
WATER