Water desalination process using ion selective membranes

Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...

Reexamination Certificate

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65, 65, 65, C203S012000

Reexamination Certificate

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06998053

ABSTRACT:
The invention is directed to an improved desalination process to produce potable water. The process represents an improvement of hybrid of membrane and desalination technologies. The improvement of the invention comprises the operation of an ion selective membrane at a variable pressure as a function of the cost of electricity to form a softened salt water that is blended in variable proportions, to increase the top operating temperature of the desalination system and increase recovery of potable water, with untreated salt water.

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