Method for treating sludge

Liquid purification or separation – Processes – Including controlling process in response to a sensed condition

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Details

210751, 210780, 210806, 71 12, C02F 1114

Patent

active

052778258

ABSTRACT:
The method and apparatus of the present invention comprise an elongated auger housing having a rotatable auger therein. Augers are provided for delivering sludge and an additive such as cement kiln dust to the intake end of the mixer housing. An auger within the mixer housing conveys the material to the discharge end of the housing, and at the same time mixes the materials together.

REFERENCES:
patent: 4053394 (1977-10-01), Fisk
patent: 4192746 (1980-03-01), Arvanitakis
patent: 4341562 (1982-07-01), Ahlbeck
patent: 4380496 (1983-04-01), Maffet
patent: 4432800 (1984-02-01), Kneller et al.
patent: 4471916 (1984-09-01), Donaldson
patent: 4554002 (1985-11-01), Nicholson
patent: 4710290 (1987-12-01), Briltz
patent: 4741836 (1988-03-01), Jackman
patent: 4781842 (1988-11-01), Nicholson
patent: 4871449 (1989-10-01), Lott
Water Pollution Control Federation, "Sludge Stabilization Manuel of Practice FD-9", pp. 87-94 (1985).
Semon, Jeannette A., "Post Lime Stabilization of Sludge," pp. 67-67 (Oct. 22, 1981).
Camp, Dresser & McKee, Inc., "Lime Stabilization and Ultimate Disposal of Municipal Wastewater Sludges," pp. 1-180 (May 1981).

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