Characterization and envrionmental fate of polycyclic aromatic compounds adsorbed on coal fly ash and related solid surfaces. Progress report, August 3, 1981-December 31, 1983. [Benzo(a)pyrene; benz(a)anthracene]
The principal areas of activity and progress in the work to date are: (1) construction and evaluation of apparatus for preparing fly ash samples upon which controlled quantities of a polycyclic aromatic hydrocarbons (PAH) can be deposited from the vapor phase; (2) detailed examination of techniques for extraction of PAHs and photodecomposition products from fly ash samples following photochemical or non-photochemical reactions; and (3) studies of photochemical and non-photochemical reactivity of various PAH vapor-deposited on various well characterized fly ashes of diverse origin. The conclusion of the extraction study is that 24-hours micro-Soxhlet extraction, using toluene and methanol as extraction solvents, produces highest recoveries and reproducibility of recovery. 16 references, 8 tables.
- Research Organization:
- Tennessee Univ., Knoxville (USA)
- DOE Contract Number:
- AS05-81ER60006
- OSTI ID:
- 5288501
- Report Number(s):
- DOE/ER/60006-2; ON: DE84006845
- Country of Publication:
- United States
- Language:
- English
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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400500 -- Photochemistry
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ABSORPTION SPECTROSCOPY
ADSORBENTS
ADSORPTION
AEROSOL WASTES
ALCOHOLS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ANTHRACENE
AROMATICS
ASHES
ATMOSPHERIC CHEMISTRY
CHALCOGENIDES
CHEMICAL REACTIONS
CHEMISTRY
CHROMATOGRAPHY
COMPARATIVE EVALUATIONS
CONDENSED AROMATICS
DATA
EXPERIMENTAL DATA
EXTRACTION
FLUORESCENCE
FLY ASH
GAS CHROMATOGRAPHY
HYDROCARBONS
HYDROXY COMPOUNDS
INFORMATION
LIQUID COLUMN CHROMATOGRAPHY
LUMINESCENCE
METHANOL
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC SOLVENTS
OXIDES
OXYGEN COMPOUNDS
PHENANTHRENE
PHOTOCHEMICAL REACTIONS
POLYCYCLIC AROMATIC HYDROCARBONS
PYRENE
RESEARCH PROGRAMS
RESIDUES
SEPARATION PROCESSES
SILICA GEL
SOLVENT PROPERTIES
SOLVENTS
SORPTION
SORPTIVE PROPERTIES
SPECTROSCOPY
SURFACE PROPERTIES
TOLUENE
WASTES
WEATHERING