METHOD OF CLEANING MEMBRANES WITH SELECTIVE PERMEABILITY Russian patent published in 1998 - IPC

Abstract RU 2119379 C1

FIELD: membrane purification of liquids. SUBSTANCE: invention relates to reverse-osmosis membranes used for desalting natural and man-made waters. Method consists in washing working side of membrane by water- salt solution containing preliminarily added hydrotropic substances followed by washing with desalted water and detergent solution containing chelate or another complex-forming agent whose pH is adjusted to 6-8 by adding alkali. EFFECT: simplified and accelerated procedure. 1 tbl, 6 ex

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RU 2 119 379 C1

Authors

Kardashina L.F.

Rozental' O.M.

Dates

1998-09-27—Published

1996-06-25—Filed