Kaolin calciner waste heat and feed recovery system and method

Details Kaolin calciner waste heat and feed recovery system and method Kaolin calciner waste heat and feed recovery system and method

1986-06-03

1988-01-05

Garvin, Patrick P.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

501150, 106288B, C01B 3328

Patent

active

047175591

ABSTRACT:
An improvement is disclosed applicable to the production of calcined, anhydrous kaolins in particulate form. A process and system are disclosed in which the calciner is integrated with a preceding spray drier by cycling the dust-laden calciner hot off-gases to the spray drier to achieve savings in energy. Waste heat from the calciner, and concomitantly dust-like clay particles carried in the off-gas, are thereby passed to the drier and their values recovered.

REFERENCES:
patent: 3309214 (1967-03-01), Podschus et al.
patent: 3586523 (1971-06-01), Fanselow et al.
patent: 3941872 (1976-03-01), Puskar
patent: 4246039 (1981-01-01), Mixon, Jr.
patent: 4381948 (1983-05-01), McConnell et al.
Perry's Chemical Engineer's Handbook, pp. 20-54, McGraw Hill, N.Y., 1984.
Pulp & Paper, by Paul A. Humbert, 2-1980.

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