Removal of refractory organics by aeration. VIII. Air stripping of benzene derivatives
Journal Article
·
· Sep. Sci. Technol.; (United States)
The removal of several benzene derivatives from water was carried out by bubble column aeration. The presence of NaCl enhanced removal rates, while the presence of alcohols decreased them. Mixtures of two hydrophobic solutes are removed by aeration as if each were present alone. The use of the equilibrium assumption for mass transport between phases seems to be reasonably (but not perfectly) satisfactory. Henry's law constants calculated from aeration data are in fairly good agreement with those calculated from vapor pressure and solubility data. Toluene, ethylbenzene, p-xylene, chlorobenzene, p-dichlorobenzene, styrene, benzene, and 3-pentanone were studied. As predicted, the ketone is not removed by aeration at a significant rate. Removal rates of the other compounds are reasonably rapid, with Henry's law constants in the range of roughly 0.1 to 0.3 (dimensionless).
- Research Organization:
- Vanderbilt Univ., Nashville, TN (USA)
- OSTI ID:
- 7160364
- Journal Information:
- Sep. Sci. Technol.; (United States), Journal Name: Sep. Sci. Technol.; (United States) Vol. 23:1-3; ISSN SSTED
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105* -- Separation Procedures
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AERATION
ALCOHOLS
ALKALI METAL COMPOUNDS
AROMATICS
BUBBLES
CHLORIDES
CHLORINE COMPOUNDS
DATA
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
INFORMATION
MASS TRANSFER
NUMERICAL DATA
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
REMOVAL
SEPARATION PROCESSES
SODIUM CHLORIDES
SODIUM COMPOUNDS
WATER
400105* -- Separation Procedures
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AERATION
ALCOHOLS
ALKALI METAL COMPOUNDS
AROMATICS
BUBBLES
CHLORIDES
CHLORINE COMPOUNDS
DATA
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
INFORMATION
MASS TRANSFER
NUMERICAL DATA
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
REMOVAL
SEPARATION PROCESSES
SODIUM CHLORIDES
SODIUM COMPOUNDS
WATER