Carbonaceous particles in coal combustion stack ash and their interaction with polycyclic aromatic hydrocarbons
Conference
·
OSTI ID:5589535
Carbonaceous particles consisting of uncombusted coal, coal coke, and intermediates are concentrated in the large particle size fractions (> 14 ..mu..m) of stack ash. Although they do not constitute a major portion of the ash, they appear to contribute significantly to the interaction of fly ash with organic matter. The carbonaceous particle-enriched fractions are more sorptive, have higher levels of organic matter, and exhibit higher specific surface areas than mineral or magnetic particle-enriched subfractions. Extraction recoveries of organics from fly ash appear to be limited mainly by the carbonaceous particles.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- W-7405-ENG-26
- OSTI ID:
- 5589535
- Report Number(s):
- CONF-8309166-6; ON: DE84003272
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010600 -- Coal
Lignite
& Peat-- Properties & Composition
010800* -- Coal
Lignite
& Peat-- Waste Management
AEROSOL WASTES
AROMATICS
ASHES
CARBONACEOUS MATERIALS
CHEMICAL COMPOSITION
CHEMICAL PROPERTIES
CHEMICAL REACTIONS
COAL
COKE
COMBUSTION PRODUCTS
ELECTRON MICROSCOPY
ENERGY SOURCES
FLY ASH
FOSSIL FUELS
FUELS
HYDROCARBONS
MATERIALS
MICROSCOPY
ORGANIC COMPOUNDS
PARTICLE SIZE
PARTICLES
PARTICULATES
PHYSICAL PROPERTIES
POLYCYCLIC AROMATIC HYDROCARBONS
RESIDUES
SCANNING ELECTRON MICROSCOPY
SIZE
SORPTIVE PROPERTIES
SURFACE PROPERTIES
WASTES
010600 -- Coal
Lignite
& Peat-- Properties & Composition
010800* -- Coal
Lignite
& Peat-- Waste Management
AEROSOL WASTES
AROMATICS
ASHES
CARBONACEOUS MATERIALS
CHEMICAL COMPOSITION
CHEMICAL PROPERTIES
CHEMICAL REACTIONS
COAL
COKE
COMBUSTION PRODUCTS
ELECTRON MICROSCOPY
ENERGY SOURCES
FLY ASH
FOSSIL FUELS
FUELS
HYDROCARBONS
MATERIALS
MICROSCOPY
ORGANIC COMPOUNDS
PARTICLE SIZE
PARTICLES
PARTICULATES
PHYSICAL PROPERTIES
POLYCYCLIC AROMATIC HYDROCARBONS
RESIDUES
SCANNING ELECTRON MICROSCOPY
SIZE
SORPTIVE PROPERTIES
SURFACE PROPERTIES
WASTES