Press-granulating process of non-ductile salts

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United States of America Patent

PATENT NO 9592514
SERIAL NO

14208475

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Abstract

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Process of press-granulating non-ductile salts and salt mixtures, such as kieserite (MgSO4·H2O), langbeinite (K2SO4·2MgSO4), polyhalide (K2SO4·MgSO4·2CaSO4·2H2O), arcanite (K2SO4) and anhydrite (CaSO4) for preparing stable, storable granulate, by pressing a mixture of fine grains of salt and a viscous, sugar-containing additive, such as molasses having a total sugar content in the dry matter of from 47 to 55%, by roller pressing at pressures up to 260 bar. The press scraps initially obtained, which are ductile, are solidified by maturing of the material at temperatures between 20 and 40° C. and maturing times of 3 to 8 hours prior to crushing them in impact mills and sieving.

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Patent Owner(s)

Patent OwnerAddress
K-UTEC AG SALT TECHNOLOGIESAM PETERSENSCHACHT 7 SONDERSHAUSEN 99706

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Heuchel, Barbara Sondershausen, DE 2 14
Kaps, Stephan Bad Frankenhausen, DE 2 14
Scherzberg, Heinz Sondershausen, DE 3 23

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