Occurrence and distribution of minor elements in coal
Journal Article
·
· Univ. Mo., Sch. Mines Metall., Bull., Tech. Ser.; (United States)
OSTI ID:6025677
Diverse information explaining the occurrence and range of concentration of both major and minor elements found in coal and coal ash is related to ash constituents found in modern-day plants. Element content in intrinsic ash (original plant ash) versus extraneous ash (clays, etc. washed into the swamp) is used to explain the wide variability in concentration of some elements found in coal. Soluble elements carried into coal-forming swamps were absorbed through plant roots, concentrated in the leaves or plant tissue, and remained during peatification unless redissolved and carried away. Some secondary enrichment of elements like Ge occurred by differential leaching and re-precipitation. Minor elements in coal such as Cu, Zn, B, Co, and Mn are essential in low levels for most green plants, and therefore are found in low levels in the coal unless enriched due to extraneous source material. Major and minor element concentration found in coal ash and ash from modern plants are presentedn active sites has been proposed.
- OSTI ID:
- 6025677
- Journal Information:
- Univ. Mo., Sch. Mines Metall., Bull., Tech. Ser.; (United States), Journal Name: Univ. Mo., Sch. Mines Metall., Bull., Tech. Ser.; (United States) Vol. 85; ISSN MOMTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010600* -- Coal
Lignite
& Peat-- Properties & Composition
560304 -- Chemicals Metabolism & Toxicology-- Invertebrates-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ABSORPTION
ASHES
BORON
CARBONACEOUS MATERIALS
CHEMICAL ANALYSIS
COAL
COBALT
CONTAMINATION
COPPER
ELEMENTS
ENERGY SOURCES
ENVIRONMENTAL EXPOSURE PATHWAY
ENVIRONMENTAL TRANSPORT
FOSSIL FUELS
FUELS
GERMANIUM
MANGANESE
MASS TRANSFER
MATERIALS
METALS
PLANTS
POLLUTION
QUALITATIVE CHEMICAL ANALYSIS
QUANTITY RATIO
RESIDUES
ROOT ABSORPTION
SEMIMETALS
TABLES
TRANSITION ELEMENTS
UPTAKE
WATER POLLUTION
ZINC
010600* -- Coal
Lignite
& Peat-- Properties & Composition
560304 -- Chemicals Metabolism & Toxicology-- Invertebrates-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ABSORPTION
ASHES
BORON
CARBONACEOUS MATERIALS
CHEMICAL ANALYSIS
COAL
COBALT
CONTAMINATION
COPPER
ELEMENTS
ENERGY SOURCES
ENVIRONMENTAL EXPOSURE PATHWAY
ENVIRONMENTAL TRANSPORT
FOSSIL FUELS
FUELS
GERMANIUM
MANGANESE
MASS TRANSFER
MATERIALS
METALS
PLANTS
POLLUTION
QUALITATIVE CHEMICAL ANALYSIS
QUANTITY RATIO
RESIDUES
ROOT ABSORPTION
SEMIMETALS
TABLES
TRANSITION ELEMENTS
UPTAKE
WATER POLLUTION
ZINC