Process for the manufacture of potassium sulphate by treating so

Details Process for the manufacture of potassium sulphate by treating so Process for the manufacture of potassium sulphate by treating so

1983-03-11

1985-08-06

Straub, Gary P.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

423199, 423166, 423205, 423499, 423544, 23298, 23302R, 23303, 23304, C01D 506, C01B 1796, C01F 534

Patent

active

045335362

ABSTRACT:
Process for the manufacture of potassium sulphate from solutions containing magnesium chloride and potassium chloride from solutions, more particularly from mother liquors issuing from the treatment of carnallite. According to this process sodium sulphate and potassium chloride are added to the solutions so as to precipitate sodium chloride and schoenite (K.sub.2 SO.sub.4.MgSO.sub.4.6H.sub.2 O) and the schoenite is treated in a known manner to produce potassium sulphate.

REFERENCES:
patent: 2902344 (1959-09-01), Cevidalli et al.
patent: 3058806 (1962-10-01), Ebner
patent: 3528767 (1970-09-01), Garrett
patent: 3687638 (1972-08-01), Neitzel
patent: 4129642 (1978-12-01), Neitzel
patent: 4306880 (1981-12-01), Garrett

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