FORWARD OSMOSIS MEMBRANE SEPARATION METHOD, WATER TREATMENT EQUIPMENT, AND POWER GENERATION FACILITY

Title:

FORWARD OSMOSIS MEMBRANE SEPARATION METHOD, WATER TREATMENT EQUIPMENT, AND POWER GENERATION FACILITY

Document Type and Number:

Japanese Patent JP2016067989

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a forward osmosis membrane separation method having high separation efficiency furthermore with energy saving, and to provide water treatment equipment utilizing the forward osmosis membrane separation method, and a power generation facility.SOLUTION: In a forward osmosis membrane separation method for bringing a draw solution having a high osmotic pressure and a feed solution having a low osmotic pressure into contact with each other through an osmosis membrane 11, to thereby take out seepage water from the feed solution side 11a of the osmosis membrane 11 to the draw solution side 11b, the draw solution contains a temperature-sensitive polymer having a cloud point and a salting-out effect material.SELECTED DRAWING: Figure 1

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Inventors:

KUMAMI AKIHITO

Application Number:

JP2014198558A

Publication Date:

May 09, 2016

Filing Date:

September 29, 2014

Export Citation:

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Assignee:

OSAKA GAS CO LTD

International Classes:

B01D61/00; B01D61/58; C02F1/44

Domestic Patent References:

JP2016041411A	2016-03-31
JP2015037771A	2015-02-26
JP2014512951A	2014-05-29
JP2014100692A	2014-06-05

Foreign References:

US20120267297A1	2012-10-25
WO2012090811A1	2012-07-05
US20100155329A1	2010-06-24

Attorney, Agent or Firm:

Patent business corporation r&c

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