FIELD: chemistry.
SUBSTANCE: invention relates to sorbents for extraction of metabolic waste products from dialytic fluid. Sorbent includes first layer, consisting of mixture of particles of immobilised enzyme, which splits uremic toxins, and particles of cation exchanger. Size of cation exchanger particles constitutes from 10 to 1000 microns. Sorbent can additionally contain second layer, which consists of cation exchanger particles, and third layer, consisting of anion exchanger particles, mixed with particles of activated carbon.
EFFECT: possibility of regulating loss of dialysate pressure in first layer of sorbent depending on size of cation exchanger particles in said layer.
17 cl, 4 dwg, 15 tbl
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