EQUIPMENT FOR PURIFICATION OF FLUID Russian patent published in 1997 - IPC

FIELD: purification and disinfection of sewage and recovery of technological fluids. SUBSTANCE: equipment for purification of fluid includes body with bottom, at least two expendable cassettes installed vertically with lower ends on bottom of body in direction transverse to flow of fluid and provided with filling agent from filtering, adsorbing, ion- exchanging material and/or manufactured in the form of cassettes-electrodes. Bottom can be made flat horizontal or inclined or stepped. Body is fitted with separable and water-permeable screen. EFFECT: simplified design, improved functional reliability and efficiency. 4 cl, 4 dwg