FILTER MEDIUM FOR DRINKABLE WATER CLEANING Russian patent published in 1994 - IPC

FIELD: drinkable water cleaning. SUBSTANCE: filter medium for drinkable water cleaning based on activated carbon fibre additionally has ion-exchange fibre at the following relation of components, percent by mass: activated carbon fibre 10 to 85, ion-exchange fibre - 10 to 85, fibrous material or paper - the rest. For finer cleaning of water filter medium additionally has activated carbon at the following relation of components, percent by mass: activated carbon fibre - 10 to 85, ion-exchange fibre - 10 to 85, activated carbon - 1 to 50, fibrous material or paper - the rest. The offered filter medium is featured by universality and high reliability, all components of the filter medium are authorized for use. EFFECT: enhanced quality of cleaning. 2 cl, 4 tbl