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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Authors
Dates
1999-10-27—Published
1997-11-12—Filed