Chemistry of flyash scrubber sludge components in plant-soil-water systems
Thesis/Dissertation
·
OSTI ID:7202343
Flyash scrubber sludge (FASS) is a by-product from coal combustion at power plants. Land application and burial beneath wetlands have been suggested as more cost efficient disposal methods than burial in old mines. The FASS from the Associated Electric Power Plant at Thomas Hill, MO was added, 2.5 or 5.0% FASS by weight, to an acidic topsoil. FASS increased soil pH and salt level, and increased growth of alfalfa (Medicago sativa L.), birdsfoot trefoil (Lotus corniculatus L.) and tall fescue (Festuca aroundinacea L.). Concentrations of Al, Ba, Ca, Cd, Cu, Fe, K, Mg, Ni, P, Si, Sr, Ti, and Zn in plant tissues were either unaffected or reduced due to FASS addition. The concentrations of B, Cl, Mo, Mn, and S were higher in tissues of plants grown on FASS treated than untreated soil. Boron content limited the amount of FASS that could be applied to soil.
- Research Organization:
- Missouri Univ., Columbia, MO (United States)
- OSTI ID:
- 7202343
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
20 FOSSIL-FUELED POWER PLANTS
200200* -- Fossil-Fueled Power Plants-- Waste Management
200500 -- Fossil-Fueled Power Plants-- Environmental Aspects-- (1990-)
AEROSOL WASTES
AQUATIC ECOSYSTEMS
ASHES
BIOLOGICAL EFFECTS
COMBUSTION PRODUCTS
ECOSYSTEMS
FLY ASH
FOSSIL-FUEL POWER PLANTS
GROUND DISPOSAL
GROWTH
MANAGEMENT
PLANT GROWTH
POWER PLANTS
RESIDUES
THERMAL POWER PLANTS
WASTE DISPOSAL
WASTE MANAGEMENT
WASTE PRODUCT UTILIZATION
WASTES
WETLANDS
200200* -- Fossil-Fueled Power Plants-- Waste Management
200500 -- Fossil-Fueled Power Plants-- Environmental Aspects-- (1990-)
AEROSOL WASTES
AQUATIC ECOSYSTEMS
ASHES
BIOLOGICAL EFFECTS
COMBUSTION PRODUCTS
ECOSYSTEMS
FLY ASH
FOSSIL-FUEL POWER PLANTS
GROUND DISPOSAL
GROWTH
MANAGEMENT
PLANT GROWTH
POWER PLANTS
RESIDUES
THERMAL POWER PLANTS
WASTE DISPOSAL
WASTE MANAGEMENT
WASTE PRODUCT UTILIZATION
WASTES
WETLANDS