Preparation for potassium bicarbonate from potassium halide

Details Preparation for potassium bicarbonate from potassium halide Preparation for potassium bicarbonate from potassium halide

1975-11-28

1977-03-01

Vertiz, Oscar R.

Chemistry of inorganic compounds

Carbon or compound thereof

Oxygen containing

423422, C01D 716

Patent

active

040102432

ABSTRACT:
A process is provided for converting potassium chloride to potassium bicarbonate with desirable conversions which bicarbonate can then be calcined to potassium carbonate. In one embodiment the potassium bicarbonate is formed in a reaction medium which is an admixture of water and a water miscible alcohol with the other reactants employed being carbon dioxide and an alkylamine. In a more preferred embodiment an alcoholic solution of an alkylamine which solution is saturated with carbon dioxide will be prepared and then an aqueous solution of a potassium halide, preferably potassium chloride, will be added to the alcoholic solution so as to form potassium bicarbonate.

REFERENCES:
patent: 2752222 (1956-06-01), Birman
patent: 2768060 (1956-10-01), Follows
patent: 2782093 (1957-02-01), Hulot et al.
patent: 2913310 (1959-11-01), Sandborn et al.
patent: 3122173 (1963-11-01), Wolstein
patent: 3347623 (1967-10-01), Schmid

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