Co-disposal of sewage sludge and solid refuse in a Purox converter
Conference
·
· Prepr. Pap. Natl. Meet., Div. Environ. Chem., Am. Chem. Soc.; (United States)
OSTI ID:6353256
Sludge and refuse were co-disposed at a combined feed rate of up to 106 million g/day. The system was operated at below total capacity of 200 million g/day because of a shortage of refuse. The maximum ratio of sludge to solid waste was 0.23:1 on a wet basis and 0.074:1 on a dry basis. The ratio of sludge cake to refuse could not be increased because of problems with charging the mixture to the converter. These deficiencies could be overcome by improvements in the sludge blending procedure and the sludge charging device. Over the range of compositions studied, the system performance was similar to the performance obtained with refuse alone. A typical material balance (all in million g) was: (1) input (refuse and sludge, 1.0; oxygen, 0.22; and fuel gas, 0.02) and (2) output (ferrous metal, 0.04; residue, 0.22; product gas, 0.70; and wastewater, 0.28). It was estimated that the over-all conversion of the energy in the feed material to useful gas exceeds 70%. However, this is gross available energy and does not consider energy required for treatment of wastewater, refuse processing and oxygen production.
- OSTI ID:
- 6353256
- Conference Information:
- Journal Name: Prepr. Pap. Natl. Meet., Div. Environ. Chem., Am. Chem. Soc.; (United States) Journal Volume: 18:1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
09 BIOMASS FUELS
090122* -- Hydrocarbon Fuels-- Preparation from Wastes or Biomass-- (1976-1989)
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320604 -- Energy Conservation
Consumption
& Utilization-- Municipalities & Community Systems-- Municipal Waste Management-- (1980-)
CHEMICAL REACTIONS
DECOMPOSITION
ELEMENTS
FLUIDS
FUEL GAS
FUELS
GAS FUELS
GASES
HYDROGEN COMPOUNDS
IRON
LIQUID WASTES
MANAGEMENT
MATERIAL BALANCE
METALS
MUNICIPAL WASTES
NONMETALS
OXYGEN
OXYGEN COMPOUNDS
PROCESSING
PUROX PYROLYSIS PROCESS
PYROLYSIS
SEWAGE
SEWAGE SLUDGE
SOLID WASTES
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
WASTE DISPOSAL
WASTE MANAGEMENT
WASTE PROCESSING
WASTE WATER
WASTES
WATER
090122* -- Hydrocarbon Fuels-- Preparation from Wastes or Biomass-- (1976-1989)
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320604 -- Energy Conservation
Consumption
& Utilization-- Municipalities & Community Systems-- Municipal Waste Management-- (1980-)
CHEMICAL REACTIONS
DECOMPOSITION
ELEMENTS
FLUIDS
FUEL GAS
FUELS
GAS FUELS
GASES
HYDROGEN COMPOUNDS
IRON
LIQUID WASTES
MANAGEMENT
MATERIAL BALANCE
METALS
MUNICIPAL WASTES
NONMETALS
OXYGEN
OXYGEN COMPOUNDS
PROCESSING
PUROX PYROLYSIS PROCESS
PYROLYSIS
SEWAGE
SEWAGE SLUDGE
SOLID WASTES
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
WASTE DISPOSAL
WASTE MANAGEMENT
WASTE PROCESSING
WASTE WATER
WASTES
WATER