Influence of humic substances on the formation of chlorinated polycyclic aromatic hydrocarbons during chlorination of polycyclic aromatic hydrocarbon polluted water
Chlorinated polycyclic aromatic hydrocarbons (PAH) are present at nanogram per liter levels in lake water. Some of these compounds are known to be mutagenic in the Ames Salmonella test. The PAH compounds fluorene, anthracene, fluoranthene, and benzo(a)pyrene were dissolved in lake water with low humus content and in humus water with 9.17 mg of total organic carbon/L, followed by sodium hypochlorite chlorination at different concentrations. Reaction of PAH and formation of chlorinated PAH were measured by cyclohexane extraction of the samples 3 days after chlorination and gas chromatography/mass spectrometry analyses of the extracts. The PAH-chlorine reaction was found to be dependent upon the concentration of free active chlorine in the water, and the presence of humic substances was found to affect the formation of chlorinated PAH. Chlorinated PAH were formed in the lake water samples of fluoranthene and benzo(a)pyrene, but no chlorinated PAH were detected in the presence of humic substances.
- Research Organization:
- Center for Industrial Research, Oslo (Norway)
- OSTI ID:
- 6806167
- Journal Information:
- Environ. Sci. Technol.; (United States), Vol. 22:8
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
CHLORINATED AROMATIC HYDROCARBONS
SYNTHESIS
HUMUS
ENVIRONMENTAL EFFECTS
WATER
CHLORINATION
ANTHRACENE
BENZOPYRENE
ECOLOGICAL CONCENTRATION
FLUORENE
GAS CHROMATOGRAPHY
MASS SPECTROSCOPY
WATER POLLUTION
AROMATICS
CHEMICAL REACTIONS
CHROMATOGRAPHY
CONDENSED AROMATICS
HALOGENATED AROMATIC HYDROCARBONS
HALOGENATION
HYDROCARBONS
HYDROGEN COMPOUNDS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
OXYGEN COMPOUNDS
POLLUTION
SEPARATION PROCESSES
SPECTROSCOPY
520200* - Environment
Aquatic- Chemicals Monitoring & Transport- (-1989)