Potassium magnesium fertilizer

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United States of America Patent

PATENT NO 11021411
APP PUB NO 20180339949A1
SERIAL NO

15975664

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Abstract

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A method for producing a double sulfate of potassium and magnesium by dry mechanical attrition of potassium sulfate and magnesium sulfate hexahydrate, comprising obtaining potassium sulfate by sulfatation of potash to bisulfate of potassium and disproportionation of the bisulfate of potassium to potassium sulfate in a water-methanol solution, and obtaining magnesium sulfate hexahydrate by sonic-assisted partial sulfatation of calcined serpentinic silicate.

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Patent Owner(s)

Patent OwnerAddress
KSM INC775 RUE HAZEL THETFORD MINES QUÉBEC G6G 6L3

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lalancette, Jean-Marc Québec, CA 26 113
Lemieux, David Québec, CA 23 58

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