Process for the calcination of filter cakes with high solids con

Details Process for the calcination of filter cakes with high solids con Process for the calcination of filter cakes with high solids con

1990-06-18

1992-12-29

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106400, 106425, 106437, 106453, 106456, 423610, 501126, 501132, 501134, C09C 136, C09C 300, C09C 304

Patent

active

051748177

ABSTRACT:
A process for calcining a filter cake in a directly heated rotary kiln wherein part of the filter cake is separated from the entire mass of filter cake, the separated portion is predried and recombined with the remainder portion and the combined predried and remainder portion is calcined. The filter cake can be inorganic solids such as oxides of titanium, chromium (III), zinc and iron.

REFERENCES:
patent: 3336104 (1967-08-01), Miller
patent: 3937797 (1976-02-01), Romanski et al.
patent: 3981978 (1976-09-01), Weiler et al.
patent: 4427451 (1984-01-01), Baloga
patent: 4717559 (1988-01-01), Cummings et al.
patent: 4929579 (1990-05-01), Lassiter
"Chemical Engineers' Handbook"; R. H. Perry; pp. 20-31, 20-32, McGraw-Hill, Fifth Ed., 1973.

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