Production of potassium formate from potassium sulfate

Details Production of potassium formate from potassium sulfate Production of potassium formate from potassium sulfate

1980-08-08

1982-04-27

Peters, G. O.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

310 11, 562609, H02K 4400, C07C 5306

Patent

active

043270700

ABSTRACT:
A method for making water-soluble potassium formate substantially free of water-insoluble salts selectively and in high yield at temperatures at or below about 100.degree. C., includes contacting potassium sulfate, potassium carbonate or a mixture of potassium and sodium carbonate and potassium and sodium sulfate with calcium formate, forming water-soluble potassium formate and water-insoluble calcium sulfate, calcium carbonate, or mixtures thereof, thus permitting recovery of substantially potassium-free calcium sulfate, calcium carbonate or both, and substantially calcium sulfate-free calcium carbonate-free potassium formate from the aqueous media.

REFERENCES:
patent: 3303364 (1967-02-01), Hals
patent: 3928537 (1975-12-01), Saitoh et al.
patent: 4239996 (1980-12-01), Bhada et al.

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