Title:
DESALINATION APPARATUS AND DESALINATION METHOD USING MULTI-STAGE FORWARD OSMOSIS PROCESS
Document Type and Number:
WIPO Patent Application WO/2017/095137
Kind Code:
A1
Abstract:
Disclosed are a desalination apparatus and a desalination method using a multi-stage forward osmosis process. A desalination apparatus according to an embodiment of the present invention comprises a first forward osmosis unit and a second forward osmosis unit. The first forward osmosis unit comprises: a first forward osmosis membrane; a first feed channel which is in contact with one side of the first forward osmosis membrane and through which wastewater is introduced; and a first draw channel which is in contact with the opposite side of the first forward osmosis membrane and into which a first draw solution flows. The second forward osmosis unit comprises: a second forward osmosis membrane; a second feed channel which is in contact with one side of the second forward osmosis membrane and into which the diluted first draw solution discharged from the first draw channel flows; and a second draw channel which is in contact with the opposite side of the second forward osmosis membrane and into which the second draw solution flows.
Inventors:
LEE SUNG YUN (KR)
KIM YU CHANG (KR)
PARK SANG JIN (KR)
KIM HAN-SEOK (KR)
KIM YU CHANG (KR)
PARK SANG JIN (KR)
KIM HAN-SEOK (KR)
Application Number:
PCT/KR2016/013957
Publication Date:
June 08, 2017
Filing Date:
November 30, 2016
Export Citation:
Assignee:
KOREA MACH & MATERIALS INST (KR)
International Classes:
C02F1/44; B01D3/00; B01D61/00; C02F1/04; C02F103/08
Foreign References:
| KR20150114507A | 2015-10-12 | |||
| KR20110091153A | 2011-08-11 | |||
| KR101286044B1 | 2013-07-15 | |||
| KR20150070895A | 2015-06-25 | |||
| KR20120073080A | 2012-07-04 |
Attorney, Agent or Firm:
PANKOREA PATENT AND LAW FIRM (KR)
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