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Patent Searching and Data


Title:
WATER TREATMENT SYSTEM
Document Type and Number:
WIPO Patent Application WO/2014/129383
Kind Code:
A1
Abstract:
The water treatment system is provided with: a main reverse osmosis membrane device (3) for separating water (4) that is to be treated into concentrated brine (5) with high solute concentrations and fresh water (6); and pre-treatment devices (1, 2) for removing harmful substances, which reduce the membrane performance of the reverse osmosis membranes of the main reverse osmosis membrane device (3), from the water(4) that is to be treated before supplying same to the main reverse osmosis membrane device (3). The pre-treatment devices (1, 2) are also provided with a sub-reverse osmosis membrane device (11).

Inventors:
ITO YOSHIAKI (JP)
IWAHASHI HIDEO (JP)
MATSUI KATSUNORI (JP)
TOKUNAGA KIICHI (JP)
KAWADA MASANORI (JP)
Application Number:
PCT/JP2014/053381
Publication Date:
August 28, 2014
Filing Date:
February 13, 2014
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
C02F1/44; B01D61/02; B01D61/12; B01D61/58; B01D65/02; C02F5/00
Domestic Patent References:
WO2011070894A12011-06-16
Foreign References:
JP2003117552A2003-04-22
JPS5322876A1978-03-02
JP2008238051A2008-10-09
JP2006272135A2006-10-12
JPH10263539A1998-10-06
Attorney, Agent or Firm:
MORI Ryuichirou et al. (JP)
Woods Ryuichiro (JP)
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