| 摘要 |
FIELD: process engineering. ^ SUBSTANCE: invention relates to water treatment with the help of membranes and may be used in whatever treatment units. Proposed membrane unit comprises initial water tank 1, initial water feed pump 2, battery of hollow-fiber ultra filters 6, filtrate accumulator tank 11, as well as pipelines, valves and accessories for feeding initial water, filtrate, concentrate and rinsing water draining that allow periodic recovery of ultra filters by filtrate backflow generated by rarefaction created by initial water feed pump. ^ EFFECT: efficient membrane filter recovery at reduced power consumption. ^ 1 dwg |
