Compact membrane plant for treating water by ultra-filtration and reverse osmosis has input duct with pump for backwashing with reverse osmosis concentrates

摘要

The treatment plant consists of a feed tank (14) with a first ultra-filtration branch (12) and a second reverse osmosis branch (20), each with a pump (30, 32) and treatment unit (16, 22), and a backwashing system. It differs by incorporating an input duct (40) for ultrafiltration back-washing, equipped with a pump (41) and connecting the reverse osmosis concentrate recuperation tank (28) to the end of the first branch so that the branch can be back-washed with the concentrates.