COMBINED METHOD FOR CLEANING NATURAL BISCHOFITE BRINE Russian patent published in 2018 - IPC C01F5/30 B01D36/02 B82B1/00 

FIELD: pharmacology.

SUBSTANCE: invention is a medicinal product, a balneological agent, a preventive agent used in various pathological conditions of the body, as a means of preventing diseases of various etiologies, as a balneological factor in a sanatorium-resort therapy or as an active constituent for the preparation of complex drug formulations. The source raw material is pre-aerated. The raw material is then passed through filtering installations containing granular activated carbon. Further, the raw material is subjected to mechanical filtration through a filtering membrane and nanofiltration through membranes to remove dissolved substances with a size of 1 nm and organic substances with a molecular weight of 200-400 Da.

EFFECT: obtaining purified natural bischofite brine from impurities of iron ions, oil products, heavy metal salts and suspended mechanical particles.

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