3-acrylamido-3-methylbutanoic acid copolymers as selective coal

Details 3-acrylamido-3-methylbutanoic acid copolymers as selective coal 3-acrylamido-3-methylbutanoic acid copolymers as selective coal

1992-11-20

1994-03-22

Medley, Margaret

Fuel and related compositions

Coal treating process or product thereof

Removal of undesirable

209 5, 210734, C10L 500, C10L 122, B03D 306

Patent

active

052960064

ABSTRACT:
3-acrylamido-3-methylbutanoic acid copolymers of acrylamide or acrylic acid are selective flocculant for coal present in coal refuse slurries.

REFERENCES:
patent: 3624019 (1971-11-01), Anderson
patent: 4342653 (1982-08-01), Halverson
patent: 4555329 (1985-11-01), Sykes et al.
patent: 4584358 (1986-04-01), McCormick et al.
patent: 4816166 (1989-03-01), Cawiezel
patent: 4943378 (1990-07-01), Flesher et al.

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