Soaking 'dead' RO membranes brings surprising results

Umar Farooq, technical manager, Water Regime (Pvt) Ltd, and Sarwar Shaikh, production manager, Al-Abbs Suger Mills Ltd, Pakistan

Output from soaking before and after settling

Output from soaking before and after settling

Restoring the flux to reverse-osmosis membranes damaged by clay deposition is a tricky procedure. The authors provide a case-study of various different remedies that were tried before they found the right one.

This article first appeared in the February/March 2012 issue of Desalination & Water Reuse magazine.

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