METHOD OF REMOVING SULFATE FROM CONCENTRATED MgCl SOLUTIONS Russian patent published in 1999 - IPC

Abstract RU 2140395 C1

FIELD: chemical industry more particularly use of concentrated solutions as electrolyte for preparing metallic magnesium. SUBSTANCE: solution is subjected to nanofiltration at high pressure using porous polymeric membranes having predominantly negative surface charge. Method makes it possible to avoid using chemical reagents and to reduce power consumption. EFFECT: more efficient removal method. 8 cl

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RU 2 140 395 C1

Authors

Tor Torsen

Per Oskar Vij

Ole Vernes

Birger Langset

Karl Markotte

Dates

1999-10-27Published

1997-11-12Filed