Method for incinerating waste sludges
Patent
·
OSTI ID:5838273
Dewatered sewage sludge (i.e. sewage sludge containing e.g. 75% water when dewatered) is incinerated when mixed with coal fines recovered from a wet benification process for coal, the coal fines being in the form of either coal filter cake or ex-lagoon sludge. If the coal fines are added to the sewage sludge before or during dewatering of the latter by filtration, the coal acts as a filter aid. Autothermic combustion of the mixture can be obtained.
- Assignee:
- Esmil-Envirotech, Ltd.
- Patent Number(s):
- US 4159684
- OSTI ID:
- 5838273
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320604* -- Energy Conservation
Consumption
& Utilization-- Municipalities & Community Systems-- Municipal Waste Management-- (1980-)
CHEMICAL REACTIONS
COAL FINES
COMBUSTION
DESIGN
INCINERATORS
OXIDATION
SEWAGE
SEWAGE SLUDGE
THERMOCHEMICAL PROCESSES
WASTES
320604* -- Energy Conservation
Consumption
& Utilization-- Municipalities & Community Systems-- Municipal Waste Management-- (1980-)
CHEMICAL REACTIONS
COAL FINES
COMBUSTION
DESIGN
INCINERATORS
OXIDATION
SEWAGE
SEWAGE SLUDGE
THERMOCHEMICAL PROCESSES
WASTES