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Title: Draw solutions and methods of treating an aqueous liquid

A method of treating an aqueous liquid. The method comprises providing an aqueous feed liquid comprising water and at least one solute to a first side of a membrane. A draw solution comprising water and a draw solute comprising at least one of a phosphazene compound and a triazine compound is provided to a second side of the membrane. At least a portion of the water of the aqueous feed liquid is osmosed across the membrane and into the draw solution to form a diluted draw solution comprising water and the draw solute. The water of the diluted draw solution is separated from the draw solute of the diluted draw solution to form a purified water product. Draw solutes comprising phosphazene compounds and draw solutes comprising triazine compounds are also disclosed, as are methods of forming the draw solutes.
Inventors:
; ;
Issue Date:
OSTI Identifier:
1489795
Assignee:
Battelle Energy Alliance, LLC (Idaho Falls, ID) INL
Patent Number(s):
10,099,178
Application Number:
14/948,019
Contract Number:
AC07-05ID14517
Resource Relation:
Patent File Date: 2015 Nov 20
Research Org:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY