Method and system for treating an aqueous stream in the...

Details Method and system for treating an aqueous stream in the... Method and system for treating an aqueous stream in the...

2011-03-08

2011-03-08

Fortuna, Ana M (Department: 1777)

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

C210S649000, C210S767000, C210S195100, C210S195200, C210S257200

Reexamination Certificate

active

07901578

ABSTRACT:
A method and system for treating an aqueous stream in the production of hydrocarbon are provided. An osmotic operation is performed between the stream of produced water and a stream of draw fluid to transfer water from the produced water to the draw fluid, thereby diluting the draw fluid to form a stream of diluted draw fluid and concentrating the produced water to form a stream of concentrated produced water. The concentration of the produced water can facilitate the subsequent removal of contaminants therefrom, and, in some cases, the diluted draw fluid can be re-used, e.g., for injection into the well of the hydrocarbon production operation or as a fertilizing fluid.

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“Lessons Learned from the Development of Advanced Life Support Systems for Space Applications” 44 pgs, obtained from http://www.rmwea.org/tech—papers/reuse/2006—Reuseit/B1-Cath-0900.ppt.
PCT Search Report PCT/US2009/038512 11 pages.

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