Toxic metals in surface waters from coal ash
Journal Article
·
· Water Resour. Bull.; (United States)
- Virginia Polytechnic Inst. and State Univ., Blacksburg
The concentrations of 10 (titanium (Ti), manganese (Mn), copper (Cu), chromium (CR), zinc (Zn), arsenic (As), selenium (Se), cobalt (Co), cadmium (Cd), and mercury (Hg)) toxic elements were measured in the water, benthic sediment, plants, invertebrates, and vertebrates of an ash basin and its drainage system at a coal-fired power plant of the Savannah River Project, Aiken, S.C., over a period of two years. During 12 months of this period the basin was essentially filled and little settling of ash occurred. In the remaining 12 months, dredging had been completed, adequate settling occurred and most of the effluent turbidity was removed. All elements were more concentrated in sediment and biota than in water, and five (Mn, Cu, As, Zn, and Se) were biomagnified by at least one biotic component as compared to concentration in benthic sediment. Plants had high accumulations of Ti, Mn, As, and Hg: invertebrates had high accumulations of Co, Hg, Cu, Cr, Cd, and As; and vertebrates greatly biomagnified Se and Zn. The streamlined biotic community of the system accomplished major removal of Mn, Zn, As, Se, and Cd from the effluent. The magnitude of bioaccumulation of Ti, Mn, Zn, As, Se, Cd, and Hg was increased during the period of adequate settling in the basin.
- OSTI ID:
- 5146734
- Journal Information:
- Water Resour. Bull.; (United States), Journal Name: Water Resour. Bull.; (United States) Vol. 13:6; ISSN WARBA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010900 -- Coal
Lignite
& Peat-- Environmental Aspects
520200* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ANIMALS
ARSENIC
ASHES
BIOLOGICAL ACCUMULATION
BIOMASS
CADMIUM
CARBONACEOUS MATERIALS
CHROMIUM
COAL
COBALT
COPPER
DISSOLUTION
ELEMENTS
ENERGY SOURCES
ENVIRONMENTAL EFFECTS
FOSSIL FUELS
FOSSIL-FUEL POWER PLANTS
FUELS
INVERTEBRATES
LEACHING
MANGANESE
MERCURY
METALS
PLANTS
POLLUTION
POWER PLANTS
RENEWABLE ENERGY SOURCES
RESIDUES
SEDIMENTS
SELENIUM
SEMIMETALS
SEPARATION PROCESSES
SURFACE WATERS
THERMAL POWER PLANTS
TITANIUM
TOXICITY
TRANSITION ELEMENTS
VERTEBRATES
WATER POLLUTION
ZINC
010900 -- Coal
Lignite
& Peat-- Environmental Aspects
520200* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ANIMALS
ARSENIC
ASHES
BIOLOGICAL ACCUMULATION
BIOMASS
CADMIUM
CARBONACEOUS MATERIALS
CHROMIUM
COAL
COBALT
COPPER
DISSOLUTION
ELEMENTS
ENERGY SOURCES
ENVIRONMENTAL EFFECTS
FOSSIL FUELS
FOSSIL-FUEL POWER PLANTS
FUELS
INVERTEBRATES
LEACHING
MANGANESE
MERCURY
METALS
PLANTS
POLLUTION
POWER PLANTS
RENEWABLE ENERGY SOURCES
RESIDUES
SEDIMENTS
SELENIUM
SEMIMETALS
SEPARATION PROCESSES
SURFACE WATERS
THERMAL POWER PLANTS
TITANIUM
TOXICITY
TRANSITION ELEMENTS
VERTEBRATES
WATER POLLUTION
ZINC