Manufacture of potassium sulfate

Details Manufacture of potassium sulfate Manufacture of potassium sulfate

1975-01-30

1976-12-21

Vertiz, Oscar R.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

23302R, 423482, C01D 502, C01B 708

Patent

active

039989356

ABSTRACT:
Potassium sulfate (K.sub.2 SO.sub.4) is prepared by contacting potassium chloride with an aqueous solution containing potassium bisulfate at a temperature of about 65.degree.-110.degree. C., cooling the solution and permitting the potassium sulfate to crystallize from solution.

REFERENCES:
patent: 995105 (1911-06-01), Thompson
patent: 2816820 (1957-12-01), Pernert
patent: 2902341 (1959-09-01), Baniel et al.
patent: 3687639 (1972-08-01), Barlow et al.
Seidell, A., Solubilities of Inorganic and Metal Organic Compounds, American Chemical Society, Washington, DC, 1965, 4th Edition, vol. II, pp. 116, 133-135, 297-299, 301, 982-984.
Handbook of Chemistry & Physics, Hodigins Editor, 43 edition, 1961, Chemical Rubber Publishing Company, Cleveland, Ohio, pp. 626-627, 636-637.

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