Method for incinerating waste sludges

Details Method for incinerating waste sludges Method for incinerating waste sludges

1976-11-23

1979-07-03

Sprague, Kenneth W.

Furnaces

Process

Incinerating refuse

44 1D, F23G 500

Patent

active

041596846

ABSTRACT:
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.

REFERENCES:
patent: 2026969 (1936-01-01), Flynn
patent: 2656118 (1953-10-01), Chelminski
patent: 3805713 (1974-04-01), Notary
patent: 3910775 (1975-10-01), Jackman
patent: 3961913 (1976-06-01), Brenneman

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