Title:
海水淡水化方法及び海水淡水化装置
Document Type and Number:
Japanese Patent JP5250684
Kind Code:
B2
Abstract:
Provided is a seawater desalination method characterized by involving: a first step in which first concentrated water and first permeate water, which is clarified water, are obtained by filtering biologically treated water by means of a first reverse osmosis membrane device, mixed water is obtained by mixing seawater functioning as dilution water into the first concentrated water, and second concentrated water and second permeate water, which is clarified water, are obtained by filtering the mixed water by means of a second reverse osmosis membrane device; and a second step in which the reverse osmosis membrane of the first reverse osmosis membrane device is cleaned by supplying seawater to the first reverse osmosis membrane device.
More Like This:
| JP6657999 | Coagulant and water treatment method |
| WO/2022/125547 | CONCENTRATION OF LITHIUM FROM UNCONVENTIONAL WATER SOURCES |
| JP2014008469 | WATER TREATMENT SYSTEM |
Inventors:
Masahiko Miura
Mitsushige Shimada
Hiroshi Maruno
Mitsushige Shimada
Hiroshi Maruno
Application Number:
JP2011228768A
Publication Date:
July 31, 2013
Filing Date:
October 18, 2011
Export Citation:
Assignee:
Shinko Environmental Solution Co., Ltd.
International Classes:
C02F1/44; B01D61/02; B01D61/58; B01D65/06
Domestic Patent References:
| JP2010149100A | ||||
| JP3249986A |
Foreign References:
| WO2011077815A1 |
Attorney, Agent or Firm:
Noboru Fujimoto
Hiroaki Nakatani
Hiroaki Nakatani