A granulation/sintering method for the codisposal of solid residues from coal conversion processes
Conference
·
· Preprints of Papers, American Chemical Society, Division of Fuel Chemistry; (USA)
OSTI ID:5431961
- Iowa State Univ., Ames (USA)
A stabilization process for coal cleaning and coal combustion-related wastes has been developed that uses the energy derived from the fuel contained in the coal cleaning waste. The wastes are pulverized, when necessary, formed into granules in a rotary pan agglomerator, and then fired to a sintering temperature. The resulting readily disposable product consists of rock-hard granules that are highly resistant to environmental degradation. The green (nondried and nonfired) granules satisfy durability tests that measure the capability to be handled and stored. The sintered granules meet requirements of the standard ASTM and EP leaching tests and a freeze-thaw cycle test. The strength of the sintered granules compares favorably with the strength of natural aggregates. The process has been applied to coal cleaning refuse alone and to refuse/fly ash and refuse/FGD sludge mixtures.
- DOE Contract Number:
- W-7405-ENG-82
- OSTI ID:
- 5431961
- Report Number(s):
- CONF-8806316--
- Conference Information:
- Journal Name: Preprints of Papers, American Chemical Society, Division of Fuel Chemistry; (USA) Journal Volume: 33:2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010800* -- Coal
Lignite
& Peat-- Waste Management
AEROSOL WASTES
AGGLOMERATION
ASHES
CALORIFIC VALUE
CARBONACEOUS MATERIALS
CHEMICAL COMPOSITION
CHEMICAL PROPERTIES
CHEMICAL REACTIONS
COAL
COAL PREPARATION
COCOMBUSTION
COMBUSTION
COMBUSTION PROPERTIES
DESULFURIZATION
DIAGRAMS
DISPERSIONS
DISSOLUTION
ENERGY SOURCES
ENVIRONMENTAL IMPACTS
FABRICATION
FLOWSHEETS
FLUE GAS
FLY ASH
FOSSIL FUELS
FUELS
GASEOUS WASTES
GRANULAR MATERIALS
LEACHATES
LEACHING
MANAGEMENT
MATERIALS
MECHANICAL PROPERTIES
MIXTURES
OXIDATION
PROCESSING
RESIDUES
SEPARATION PROCESSES
SINTERING
SLUDGES
SOLID WASTES
SOLUTIONS
TAILINGS
THERMOCHEMICAL PROCESSES
VITRIFICATION
WASTE DISPOSAL
WASTE MANAGEMENT
WASTE PROCESSING
WASTES
010800* -- Coal
Lignite
& Peat-- Waste Management
AEROSOL WASTES
AGGLOMERATION
ASHES
CALORIFIC VALUE
CARBONACEOUS MATERIALS
CHEMICAL COMPOSITION
CHEMICAL PROPERTIES
CHEMICAL REACTIONS
COAL
COAL PREPARATION
COCOMBUSTION
COMBUSTION
COMBUSTION PROPERTIES
DESULFURIZATION
DIAGRAMS
DISPERSIONS
DISSOLUTION
ENERGY SOURCES
ENVIRONMENTAL IMPACTS
FABRICATION
FLOWSHEETS
FLUE GAS
FLY ASH
FOSSIL FUELS
FUELS
GASEOUS WASTES
GRANULAR MATERIALS
LEACHATES
LEACHING
MANAGEMENT
MATERIALS
MECHANICAL PROPERTIES
MIXTURES
OXIDATION
PROCESSING
RESIDUES
SEPARATION PROCESSES
SINTERING
SLUDGES
SOLID WASTES
SOLUTIONS
TAILINGS
THERMOCHEMICAL PROCESSES
VITRIFICATION
WASTE DISPOSAL
WASTE MANAGEMENT
WASTE PROCESSING
WASTES