Chemistry of inorganic compounds – Sulfur or compound thereof – Oxygen containing
Patent
1994-07-22
1996-01-09
Niebling, John
Chemistry of inorganic compounds
Sulfur or compound thereof
Oxygen containing
210702, 210714, 204 98, C25B 1508
Patent
active
054826969
ABSTRACT:
The present invention concerns a method for the purification and/or electrolysis of an aqueous potassium chloride solution, in which the sulphate ions are removed from the aqueous potassium chloride solution by precipitation as potassium sulphate and/or as a potassium sulphate-containing salt mixture and/or as a potassium sulphate-containing compound.
REFERENCES:
patent: 3271106 (1966-09-01), Nylander
patent: 3941667 (1976-03-01), Von Semel
patent: 4132759 (1979-01-01), Schafer
patent: 4261803 (1981-04-01), Suhara
Ullmanns Encyklopadie der technischen Chemie, vol. 9, pp. 338-340.
Honigschmid-Grossich Rudiger
Schmittinger Peter
Stahl Ingo
Wambach-Sommerhoff Karl R.
Huels Aktiengesellschaft
Mee Brendan
Niebling John
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