WATER TREATMENT APPARATUS

WIPO Patent Application WO/2020/226039

A1

Provided is a water treatment apparatus that can reduce the amount of chemical solution addition. A water treatment apparatus is provided with a decarbonation apparatus, a first adjustment section, a first water softening apparatus, a second adjustment section, and a reverse osmosis membrane apparatus. The decarbonation apparatus removes the dissolved carbonic acid component in water being treated. The first adjustment section adjusts the water being treated from which the dissolved carbonic acid component has been removed, to around neutrality. The first water softening apparatus softens the water being treated which has been adjusted to around neutrality. The second adjustment section adjusts the softened water being treated to alkaline. Using a reverse osmosis membrane, the reverse osmosis membrane apparatus separates the alkalized water being treated into concentrated water and permeated water.

JPH0681648	[Name of device] Rotary sprayer
JPS581632	[Title of the Invention] The Luda Ifsusmen Othona Erliyu zizyphi fructus Kiyu nozzle

MONIWA SHINOBU (JP)
IMADA TOSHIHIRO (JP)
NAKAMURA KENSUKE (JP)
TAKAHASHI HIDEAKI (JP)
KON MASAO (JP)

PCT/JP2020/016773

November 12, 2020

April 16, 2020

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TOSHIBA KK (JP)
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP (JP)

B01D1/20; B01D1/26; B01D61/00; B01D61/04; B01J39/05; B01J39/07; B01J39/18; B01J47/022; B01J49/53; C02F1/04; C02F1/20; C02F1/42; C02F1/44; C02F9/02; C02F9/04; C02F9/08

JPH11197649A	1999-07-27
JPH02227185A	1990-09-10
JPS63130196U	1988-08-25
JP2003302389A	2003-10-24
JP2019042651A	2019-03-22
JPH01245893A	1989-10-02
JP2000271570A	2000-10-03
JP2005118712A	2005-05-12
JP2000070933A	2000-03-07
JP2011189242A	2011-09-29

KURATA, Masatoshi et al. (JP)

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