Method for incinerating sewage sludge

Details Method for incinerating sewage sludge Method for incinerating sewage sludge

1981-09-21

1983-08-16

Garris, Bradley

Furnaces

Process

Incinerating refuse

48197A, 110225, 110238, 201 25, 201 27, 201 33, C10B 5300, F23G 504, F23G 512

Patent

active

043984762

ABSTRACT:
A method and an apparatus of 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.

REFERENCES:
patent: 1189638 (1916-07-01), Testrup et al.
patent: 2121662 (1938-06-01), Hartley et al.
patent: 2286309 (1942-06-01), Rowen
patent: 3772992 (1973-11-01), Menigat
patent: 4050390 (1977-09-01), Hara et al.
patent: 4116136 (1978-09-01), Mallek et al.
patent: 4156394 (1979-05-01), Mallek et al.
patent: 4201141 (1980-05-01), Teodorescu et al.
patent: 4215637 (1980-08-01), Lombana

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