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Patent Searching and Data


Title:
水処理方法および水処理システム
Document Type and Number:
Japanese Patent JP7086793
Kind Code:
B2
Abstract:
To provide a water treatment method capable of easily suppressing corrosion of piping and equipment.SOLUTION: A water treatment method has: a desalting step of using a reverse osmosis membrane to desalt feed water containing inorganic salts, to obtain desalted water; a first adjustment step of adjusting the pH of the desalted water and the concentration of free carbonic acid, to obtain adjusted water; and a contact step of bringing the adjusted water into contact with carbonate particles, to obtain treated water.SELECTED DRAWING: Figure 1

Inventors:
Kondo Kazufumi
Zaman Saed
Application Number:
JP2018161870A
Publication Date:
June 20, 2022
Filing Date:
August 30, 2018
Export Citation:
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Assignee:
Mitsubishi Chemical Aqua Solutions Co., Ltd.
International Classes:
C02F1/68; C02F1/20; C02F1/44; C02F9/02; C02F9/04; C02F9/08
Domestic Patent References:
JP2008043868A
JP7323279A
JP61283392A
Foreign References:
WO2012023742A1
WO2013034396A1
Attorney, Agent or Firm:
田▲崎▼ 聡
Shunsuke Fushimi
Kazunori Onami