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1. (WO2018045393) OSMOTIC FLUID PURIFICATION AND DRAW COMPOUNDS THEREOF

Pub. No.:    WO/2018/045393    International Application No.:    PCT/US2017/057395
Publication Date: Fri Mar 09 00:59:59 CET 2018 International Filing Date: Fri Oct 20 01:59:59 CEST 2017
IPC: C02F 1/00
B01D 61/00
Applicants: TREVI SYSTEMS INC.
Inventors: FAN, Shaobin
CARMIGNANI, Gary
WEVLEY, John
Title: OSMOTIC FLUID PURIFICATION AND DRAW COMPOUNDS THEREOF
Abstract:
Draw compounds and draw solutions comprising said draw compounds for use in forward osmosis solvent purification systems. The draw compound may be a linear random, sequential, or block molecular chain consisting of at least one oxide monomer or diol monomer and have a temperature-dependent affinity with a feed solvent. The draw compound may further include a first terminal group and a second terminal group, at least one of the first terminal group and the second terminal group selected from the group consisting of a hydroxyl group, an amine group, a carboxylic group, an allyl group, and a CI to C14 substituted and unsubstituted alky group. The draw compound may also be a branched random, sequential, or block molecular chain consisting of at least one oxide monomer or diol monomer.