Method of thermal treatment of a carbonate suspension

Details Method of thermal treatment of a carbonate suspension Method of thermal treatment of a carbonate suspension

1980-09-04

1982-03-23

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkaline earth metal

423177, 423637, C01F 1106

Patent

active

043212395

ABSTRACT:
Disclosed is a method of thermal treatment of a carbonate suspension yielding lime and CO.sub.2 -containing gas, such suspensions may be those resulting from a filtration sediment for sugar production, comprising in general the steps of dividing the carbonate suspension into two portions, spray-drying these portions both simultaneously and independently, calcining the material produced after suspension drying, cooling the lime produced after calcination, supplying the gas from the calcination zone for spray-drying the first portion of the suspension, withdrawing carbon dioxide recovery from the spent gas after spray-drying the first portion of the suspension, the calcination being carried out by means of the heat of the heat-carrier required for calcinating the material and spray-drying only the first portion of the suspension.

REFERENCES:
patent: 2480904 (1949-09-01), Clarke et al.
patent: 3796791 (1974-03-01), Nielsen et al.
patent: 4098871 (1978-07-01), Schoppe

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