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US 3,940,336 AGranted
Method for cleaning semipermeable membranes
AssigneeDesalination Systems, Inc.
InventorsClement C. Macevicz, Charles W. Million
Life of this patent
Estimating the term…
Abstract
Mud, slime, precipitated particles and other foreign matter are removed from the surface of a semipermeable membrane used in a membrane process system by flushing, preferably with the membrane in place in its cartridge or container, with water of purity greater than 1 megohm resistivity.
Claims7
A method for cleaning a surface of a semipermeable membrane in a membrane process solution treatment system which comprises:
- a. flushing the said surface of said semipermeable membrane with water at substantially atmospheric pressure and of purity greater than about one megohm resistivity.
Dependencies are inferred from the claim text.