Environmental effects of the secondary discharges from fly ash ponds
Technical Report
·
OSTI ID:7291215
Secondary water flow from ash ponds at the Bull Run Steam Plant, Tennessee, has been characterized. A mechanism for the formation of materials found in the discharge was developed. A literature review was compiled on the effluent formation processes. The effects of the stream on representative samples of the fish population in the Clinch River have been observed. The major constituent of the precipitate present in this secondary water flow was found by x-ray diffraction to be ferric oxide hydroxide (FeOOH) produced in the transformation of ferric hydroxide (Fe(OH)/sub 3/). Significant ferrous iron oxidation occurs in the drainage ditch containing the secondary water flow resulting in the precipitation of ferric hydroxide. Catfish cannot survive in environments that are either too acidic or contain a large amount of suspended solids such as ferric hydroxide. The large amount of iron deposits suspended in the discharge cove waters results from the sudden mixing of the acidic secondary discharge with the slightly alkaline cove waters.
- Research Organization:
- Massachusetts Inst. of Tech., Oak Ridge, Tenn. (USA). School of Chemical Engineering Practice
- DOE Contract Number:
- W-7405-ENG-26
- OSTI ID:
- 7291215
- Report Number(s):
- ORNL/MIT-200
- 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)
520300 -- Environment
Aquatic-- Radioactive Materials Monitoring & Transport-- (1989)
54 ENVIRONMENTAL SCIENCES
AEROSOL WASTES
ANIMALS
AQUATIC ORGANISMS
BIOLOGICAL EFFECTS
CHEMICAL COMPOSITION
CHEMICAL EFFLUENTS
ENVIRONMENTAL EFFECTS
FISHES
FLY ASH
FOSSIL-FUEL POWER PLANTS
HYDROGEN COMPOUNDS
HYDROXIDES
IRON COMPOUNDS
IRON HYDROXIDES
MANAGEMENT
OXYGEN COMPOUNDS
POLLUTION
PONDS
POWER PLANTS
SURFACE WATERS
SURVIVAL TIME
THERMAL POWER PLANTS
TOXICITY
TRANSITION ELEMENT COMPOUNDS
VERTEBRATES
WASTE DISPOSAL
WASTE MANAGEMENT
WASTES
WATER POLLUTION
010900 -- Coal
Lignite
& Peat-- Environmental Aspects
520200* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
520300 -- Environment
Aquatic-- Radioactive Materials Monitoring & Transport-- (1989)
54 ENVIRONMENTAL SCIENCES
AEROSOL WASTES
ANIMALS
AQUATIC ORGANISMS
BIOLOGICAL EFFECTS
CHEMICAL COMPOSITION
CHEMICAL EFFLUENTS
ENVIRONMENTAL EFFECTS
FISHES
FLY ASH
FOSSIL-FUEL POWER PLANTS
HYDROGEN COMPOUNDS
HYDROXIDES
IRON COMPOUNDS
IRON HYDROXIDES
MANAGEMENT
OXYGEN COMPOUNDS
POLLUTION
PONDS
POWER PLANTS
SURFACE WATERS
SURVIVAL TIME
THERMAL POWER PLANTS
TOXICITY
TRANSITION ELEMENT COMPOUNDS
VERTEBRATES
WASTE DISPOSAL
WASTE MANAGEMENT
WASTES
WATER POLLUTION