Determination of organic compounds leached from municipal incinerator fly ash by water at different pH levels
This study concerns the possibility of organic compounds entering the environment through the leaching of municipal incinerator fly ash with water. A Soxhlet extraction of fly ash with water, followed by a benzene/water solvent extraction was used to isolate organic compounds. The pH of the extracting liquid was varied (pH 4, 7, 10) and both the type and amount of compounds extracted differed. Many organic compounds including polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans, polycyclic aromatic compounds, phenols, and hydrocarbons were found in the water extracts. Gas chromatography/flame ionization detection, gas chromatography/electron capture detection, and gas chromatography/mass spectrometry using electron impact, positive and negative ion chemical ionization techniques were used for compound identification and quantitation.
- Research Organization:
- Univ. of Waterloo, Ontario
- OSTI ID:
- 6714246
- Journal Information:
- Anal. Chem.; (United States), Vol. 59:7
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
54 ENVIRONMENTAL SCIENCES
FLY ASH
LEACHING
QUANTITATIVE CHEMICAL ANALYSIS
SOLVENT EXTRACTION
LEACHATES
ORGANIC COMPOUNDS
ELECTRON CAPTURE
GAS CHROMATOGRAPHY
MASS SPECTROSCOPY
EXPERIMENTAL DATA
PH VALUE
AEROSOL WASTES
ASHES
CAPTURE
CHEMICAL ANALYSIS
CHROMATOGRAPHY
DATA
DISPERSIONS
DISSOLUTION
EXTRACTION
INFORMATION
MIXTURES
NUMERICAL DATA
RESIDUES
SEPARATION PROCESSES
SOLUTIONS
SPECTROSCOPY
WASTES
400102* - Chemical & Spectral Procedures
400105 - Separation Procedures
520200 - Environment
Aquatic- Chemicals Monitoring & Transport- (-1989)
510200 - Environment
Terrestrial- Chemicals Monitoring & Transport- (-1989)
400101 - Activation
Nuclear Reaction
Radiometric & Radiochemical Procedures