Method for the calcination of calcium carbonate bearing material

Details Method for the calcination of calcium carbonate bearing material Method for the calcination of calcium carbonate bearing material

1996-02-29

1999-07-06

Walberg, Teresa

Heating

Processes of heating or heater operation

Including passing, treating or conveying gas into or through...

432 58, 432106, F27B 1500

Patent

active

059190388

ABSTRACT:
The invention relates to a method for heat treatment of fine calcium carbonate bearing material comprising preheating fine material containing a coarse and a fine fraction. The preheated material is delivered into a fluidized bed calcining means wherein the coarse fraction is calcined and the fine fraction is delivered by process air to an adjacent vertically arranged gas flash calciner furnace in which it is calcined.

REFERENCES:
patent: 3989446 (1976-11-01), Grill et al.
patent: 4128392 (1978-12-01), Tock
patent: 4218209 (1980-08-01), Herchenbach et al.
patent: 4496396 (1985-01-01), Steinbiss et al.
patent: 5260041 (1993-11-01), Cohen et al.

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