Patent ID: 9656883
Date: 2017-05-23
CPC Classifications: B01D,C02F,Y02A

Claim:
1. A system ( 10 ) for separating a product ( 14 ) contained as a solvent in a solution ( 12 ) to be processed, having at least one forward osmosis device ( 16 ) flowed through by the solution ( 12 ) to be processed and by a draw solution ( 20 ) and having a product recovery device ( 28 ) connected downstream thereof for recovering the product ( 14 ) from diluted draw solution ( 20 ′) exiting the forward osmosis device ( 16 ), wherein the forward osmosis device ( 16 ) comprises at least one flow passage ( 18 ) conducting the solution ( 12 ) to be processed and at least one flow passage ( 22 ) conducting the draw solution ( 20 ), wherein the inner space ( 24 ) of a respective flow passage ( 18 ) conducting the solution ( 12 ) to be processed is at least partly bounded by a semipermeable membrane wall ( 26 ) which is permeable for the solvent of the solution ( 12 ) to be processed, but not for the substance dissolved therein, and wherein at least one flow passage ( 22 ) conducting the draw solution ( 20 ) is bounded on mutually oppositely disposed sides by membrane walls ( 26 ) which are associated with two adjacent flow passages ( 18 ) conducting the solution ( 12 ) to be processed such that solvent from the solution ( 12 ) to be processed arrives in the adjacent flow passages ( 22 ) conducting the draw solution ( 20 ) through the membrane walls ( 26 ), wherein the product recovery device ( wherein the gas mixture ( wherein the draw solution ( wherein the absorber/solution cooler stage ( wherein a device (