Process for thermic treatment of sludges, particularly treatment

Details Process for thermic treatment of sludges, particularly treatment Process for thermic treatment of sludges, particularly treatment

1981-10-23

1984-04-10

Therkorn, Ernest G.

Furnaces

Process

Incinerating refuse

110238, 210751, 210758, 210774, 48197A, 159 1RW, 159 5, 159 473, 159 49, 159 482, 60648, 203 22, F23C 500, F23G 700

Patent

active

044414374

ABSTRACT:
In a process for the utilization of the heat content of combustible components in sludges, in particular in clarification sludges, the sludge, which still contains a proportion of water, is burnt in a pressure-tight furnace. The resulting steam and exhaust gases are conducted through heat exchangers and a thin layer evaporator, and the exhaust heat and heat of condensation effect, in one or more stages, a heating and thickening of the sludge to be burnt. Pressure-drop machines can be driven by the excess pressure of the exhaust gases, steam circuits and liquid circuits.

REFERENCES:
patent: 2062025 (1936-11-01), Harrington
patent: 2903425 (1959-09-01), Zimmermann
patent: 3236766 (1966-02-01), Levin
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patent: 4013560 (1977-03-01), Pradt
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patent: 4132640 (1979-01-01), Filzmoser
patent: 4141829 (1979-02-01), Thiel
Treating Chemical Wastes by Evaporation, Stickney, Chemical Engineering Progress, Apr. 1976, 41-46.
Lehr-und Handbuch der Abwassertechnik, 1969, 13, 14, 164-171.

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