Title:
WATER TREATMENT APPARATUS, WATER TREATMENT METHOD, AND METHOD OF STARTING WATER TREATMENT APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/163800
Kind Code:
A1
Abstract:
A water treatment apparatus is configured to: allow a diluted draw solution to flow out, which is obtained by causing water to move to a draw solution having a cloud point from a water-containing solution containing water as a solvent via a semipermeable membrane to dilute the draw solution, and discharges the water-containing solution as a concentrated water-containing solution that is concentrated; heat the diluted draw solution to a temperature equal to or higher than the cloud point; separate the heated diluted draw solution into a water-rich solution and the draw solution having water content lower than that of the water-rich solution; cool a liquid and allows the liquid to flow out as a coolant; perform heat exchange between the coolant and the draw solution; and perform heat exchange between the diluted draw solution and the water-rich solution.
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Inventors:
SATO YUYA (JP)
TSUJI TAKESHI (JP)
FUCHIGAMI KOJI (JP)
TOMURA KEIJI (JP)
FUJIWARA SHIGEKI (JP)
KUNUGI MAKOTO (JP)
WATANABE ERI (JP)
OSATO AYA (JP)
TSUJI TAKESHI (JP)
FUCHIGAMI KOJI (JP)
TOMURA KEIJI (JP)
FUJIWARA SHIGEKI (JP)
KUNUGI MAKOTO (JP)
WATANABE ERI (JP)
OSATO AYA (JP)
Application Number:
PCT/JP2019/006214
Publication Date:
August 29, 2019
Filing Date:
February 20, 2019
Export Citation:
Assignee:
JFE ENG CORP (JP)
International Classes:
B01D61/00; C02F1/02; C02F1/44; B01D21/00; B01D61/14; B01D61/58
Domestic Patent References:
| WO2019004281A1 | 2019-01-03 |
Foreign References:
| JP2016019944A | 2016-02-04 | |||
| US20120267308A1 | 2012-10-25 | |||
| US20170182477A1 | 2017-06-29 | |||
| US20130180919A1 | 2013-07-18 | |||
| US20160082391A1 | 2016-03-24 |
Other References:
See also references of EP 3758833A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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