Method for the treatment of sewage sludge and the like

Details Method for the treatment of sewage sludge and the like Method for the treatment of sewage sludge and the like

1993-11-05

1995-07-25

Dawson, Robert A.

Liquid purification or separation

Processes

Separating

210751, 210609, 210764, 210774, 210742, B01D 3700

Patent

active

054359236

ABSTRACT:
A process for the production of a durable granular or pelletized sludge product is disclosed whereby a minimal amount of high calcium oxide material is utilized for pathogenic stabilization, a portion of the resulting hot mixture being recycled back to the mixing stage to reduce the requisite lime consumption by utilizing unreacted lime, for energy recovery and to increase dryness.

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