Continuous process for the manufacture of potassium chlorate...

Details Continuous process for the manufacture of potassium chlorate... Continuous process for the manufacture of potassium chlorate...

C - Chemistry, Metallurgy

25

B

23/136, 204/62.5

C25B 1/26 (2006.01) C01B 11/14 (2006.01)

Patent

CA 1339969

The present invention relates to a continuous process for the manufacture of potassium chlorate by coupling with a plant for the production of sodium chlorate by electrolysis, the said plant; comprising a source of NaCl solution , a loop for purification of the said solution , an electrolysis device , a storage tank , if appropriate, and a crystallizer in which the crystallization and the separation of NaClO3 crystals are preferably carried out, wherein circulating liquid is removed downstream of the said electrolysis device , a concentrated solution of potassium chloride is added to said liquid, precipitation of the potassium chlorate is caused by any known means, the said potassium chlorate is separated off and the mother liquors from crystallization of the said potassium chlorate are recycled into the said purification loop of the sodium chlorate production plant.

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