Method and apparatus for the treatment of sewage sludge and the

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

1992-03-20

1993-11-09

Dawson, Robert A.

Liquid purification or separation

Processes

Separating

210751, 210768, 210764, 210774, 2101951, 210181, B01D 3700, B01D 3518

Patent

active

052599779

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, the resulting material being further processed through an agglomeration stage. A portion of the agglomerated material is further processed in a moisture reduction or drying stage and recycled back to the agglomeration stage for percent solids adjustment and promotion of agglomeration. An apparatus for performing the process is also disclosed.

REFERENCES:
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patent: 4270279 (1981-06-01), Roediger
patent: 4306978 (1981-12-01), Wurtz
patent: 4744829 (1988-05-01), Eirich et al.
patent: 4781842 (1988-11-01), Nicholson
patent: 4872998 (1989-10-01), Dausman et al.
patent: 4902431 (1990-02-01), Nicholson et al.
patent: 4956926 (1990-09-01), Glorioso
patent: 4983296 (1991-01-01), McMahon et al.
patent: 5069801 (1991-12-01), Girovich

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