Process for producing granulated potassium sulphate and...

Details Process for producing granulated potassium sulphate and... Process for producing granulated potassium sulphate and...

C - Chemistry, Metallurgy

05

B

23/374

C05B 19/00 (2006.01) C01D 5/00 (2006.01)

Patent

CA 1247328

PROCESS FOR PRODUCING GRANULATED POTASSIUM SULPHATE AND POTASSIUM MAGNESIUM SULPHATES, AND THE GRANULATES OBTAINED THEREBY ABSTRACT OF THE DISCLOSURE The invention relates to a process for preparing granulated potassium sulphate or potassium magnesium sulphate, characterised by comprising the following stages: a) grinding the potassium sulphate or potassium magnesium sulphate b) mixing the ground product of stage a) with a corresponding unground sulphate until a predetermined particle size distribution curve is obtained c) treating the mixture of stage b) with a hot, saturated solution of a corresponding sulphate until a wet paste is obtained, and the final further stages of granulating said paste and drying the granulate thus obtained. The invention also relates to the produces obtained in this manner.

474987

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