Absorption of atmospheric sulfur dioxide by water solutions
Journal Article
·
· J. Air Pollut. Control Assoc.; (United States)
Results of a laboratory study indicate that the rate of solution of atmospheric sulfur dioxide in distilled water, over the range of atmospheric concentrations of 0.81-8.73 mg SO/sub 2//M/sub 3/, is a function of the concentration of SO/sub 2/ in the atmosphere, with saturation being reached more rapidly at the higher concentrations. This would indicate that rain water, with constantly renewed surfaces, can be very effective in the removal of atmospheric SO/sub 2/. The pH of the exposed water samples reached values of 4.0 or less, comparable to values observed in fog and cloud water near large industrial areas. Overall solubility of sulfur dioxide in distilled water did not follow the law of partial pressure. At the atmospheric concentrations used it was found that over 98.5% of the sulfite in solution was in the form of the bisulfite ion with the remainder present at unionized sulfurous acid. Computations using the concentration of unionized sulfurous acid in the solution showed that the solubility of this portion of dissolved sulfite did follow the law of partial pressure.
- OSTI ID:
- 5777448
- Journal Information:
- J. Air Pollut. Control Assoc.; (United States), Journal Name: J. Air Pollut. Control Assoc.; (United States) Vol. 17:6; ISSN JPCAA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
500200* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ACID RAIN
ADSORPTION
AIR POLLUTION
ATMOSPHERIC CHEMISTRY
ATMOSPHERIC PRECIPITATIONS
BENCH-SCALE EXPERIMENTS
CHALCOGENIDES
CHEMISTRY
CLOUDS
FOG
HYDROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
POLLUTION
PRECIPITATION SCAVENGING
RAIN
SEPARATION PROCESSES
SIMULATION
SORPTION
SORPTIVE PROPERTIES
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
SURFACE PROPERTIES
WATER
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ACID RAIN
ADSORPTION
AIR POLLUTION
ATMOSPHERIC CHEMISTRY
ATMOSPHERIC PRECIPITATIONS
BENCH-SCALE EXPERIMENTS
CHALCOGENIDES
CHEMISTRY
CLOUDS
FOG
HYDROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
POLLUTION
PRECIPITATION SCAVENGING
RAIN
SEPARATION PROCESSES
SIMULATION
SORPTION
SORPTIVE PROPERTIES
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
SURFACE PROPERTIES
WATER