WATER TREATMENT INSTALLATION Russian patent published in 1997 - IPC

FIELD: water treatment. SUBSTANCE: installation has supply line, pump, two-position valve, pretreatment filter, sorption and sterilizing filters, and concentrate drainage line with controlling valve. As pretreatment filter, ultrafiltration one with hollow fibers is used; as sorption filters, a battery of in- parallel joined up cartridge-type sorption elements of active carbon steel; and as sterilizing filters, consecutively joined up cartridge- type sterilizing microfilters. Filtrate outlet in pretreatment filter is connected in series with sorption and sterilizing filters disposed on axially arranged perforated tube in a common cylindrical housing separated by partitions into sections, whereas perforated tube, in the place where sections are joined, is separated by bushings with radial openings and provided with stopper in the first section and with drain fitting in the last section. EFFECT: enhanced treatment efficiency. 2 dwg