Method for processing coal preparation plant washings for elimin

Details Method for processing coal preparation plant washings for elimin Method for processing coal preparation plant washings for elimin

1984-01-09

1987-09-22

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 97, 106900, 210751, C04B 1402

Patent

active

046953248

ABSTRACT:
The solids concentration obtained from the aqueous suspension derived from coal beneficiation plant streams can be promptly processed in stabilized load bearing mass by passing these solids plus proportionally added portland cement powder thru a temperature controlled pug mill. The product is then delivered to a fill area for disposal. This eliminates the need for ponds and permits the immediate reuse of water in the plant. Major economies in land purchases, waste treatment, water requirements, and operating costs are effected.

REFERENCES:
patent: 3870535 (1975-03-01), Minnick et al.
patent: 4015997 (1977-04-01), Selmeczi et al.
patent: 4208217 (1980-06-01), Anderson et al.

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