Forward Osmosis Process

Jintang Duan (Inventor), Ingo Pinnau (Inventor), Eric Litwiller (Inventor)

Research output: Patent

Abstract

A process that can alleviate the internal concentration polarization and can enhance membrane performance of a forward osmosis system includes the steps of passing a fluid in a forward osmosis system from a feed solution with a first osmotic pressure, through a membrane into a draw solution comprising a draw solute with a second osmotic pressure, where the first osmotic pressure is lower than the second osmotic pressure, the membrane includes an active layer and a support layer, and the membrane is oriented such that the active layer of the membrane faces a draw side, and the support layer faces a feed side; and applying an external force to the fluid on the feed side of the membrane.
Original languageEnglish (US)
Patent numberUS9687788B2
StatePublished - Dec 5 2013

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