Roll press grinding aid for granulated blast furnace slag

Details Roll press grinding aid for granulated blast furnace slag Roll press grinding aid for granulated blast furnace slag

1998-01-09

1999-11-02

Nutter, Nathan M

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

75746, 241 16, C22B 704, B04B 1504

Patent

active

059772247

ABSTRACT:
A grinding aid and an enhanced roll press method of grinding granulated blast-furnace slag by treating the slag feed of the roll press with from about 0.002 to 0.2 weight percent of polyacrylic acid or its alkali metal salt in combination with up to about 4 weight percent water.

REFERENCES:
patent: 3443975 (1969-05-01), Serafin
patent: 4094470 (1978-06-01), Waldhofer
patent: 4175975 (1979-11-01), MacWilliams
patent: 5154613 (1992-10-01), Cohen
patent: 5203512 (1993-04-01), Ferraris et al.
patent: 5318990 (1994-06-01), Strauss
patent: 5720796 (1998-02-01), Cheung et al.
Filio et al, "Dry Fine Grinding of Granulated Blast Furnace Slag Quenched by Water and Its Reactivity During Grinding", Jul. 4, 1991, pp. 795-800.

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