Method for incinerating sewage sludge
Patent
·
OSTI ID:5580331
A method and an apparatus are disclosed for incinerating dewatered sludge without using an auxiliary fuel, comprising pelletizing the partially dewatered sludge having a water content of 70 to 75%, drying the pellets with a heat source obtained by burning gases formed by dry-distillation and gasification, using part of the resulting dry-distilled gas in said drying step, dry-distilling the pellets by the sensible heat of a gas formed by gasification, gasifying the dry-distillation residues with air, water vapor and the remainder of said dry- distilled gas.
- Assignee:
- Shinryo Air Conditioning Co., Ltd. (Japan)
- Patent Number(s):
- US 4398476
- OSTI ID:
- 5580331
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
420900* -- Engineering-- Waste Processing Plants & Equipment-- (-1989)
CHEMICAL REACTIONS
COMBUSTION
DISTILLATION
DRYING
GASIFICATION
OXIDATION
PELLETS
REMOVAL
SEPARATION PROCESSES
SEWAGE
SEWAGE SLUDGE
SLUDGES
THERMOCHEMICAL PROCESSES
WASTE HEAT UTILIZATION
WASTE PRODUCT UTILIZATION
WASTES
WATER REMOVAL
420900* -- Engineering-- Waste Processing Plants & Equipment-- (-1989)
CHEMICAL REACTIONS
COMBUSTION
DISTILLATION
DRYING
GASIFICATION
OXIDATION
PELLETS
REMOVAL
SEPARATION PROCESSES
SEWAGE
SEWAGE SLUDGE
SLUDGES
THERMOCHEMICAL PROCESSES
WASTE HEAT UTILIZATION
WASTE PRODUCT UTILIZATION
WASTES
WATER REMOVAL