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US 2026/0296933 A1Published application
Water treatment system, pure water production method, and water treatment method
AssigneeOrgano Corporation
InventorsYusuke TAKAHASHI, Keisuke SASAKI, Kazushige TAKAHASHI
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Abstract
A method of producing pure water including adding halogen oxoacid to water to be treated that contains organic materials and supplying the water to be treated to which the halogen oxoacid has been added to an ion exchanger loaded apparatus in which at least anion exchangers are loaded. A concentration of divalent anions in the water to be treated is 0.4 mmol/L or less at an inlet of the ion exchanger loaded apparatus.
Claims12
A method of producing pure water comprising:
- adding halogen oxoacid to water to be treated that contains organic materials;
- and
- supplying the water to be treated to which the halogen oxoacid has been added to an ion exchanger loaded apparatus in which at least anion exchangers are loaded,
- wherein concentration of divalent anions in the water to be treated is 0.4 mmol/L or less at an inlet of the ion exchanger loaded apparatus.
1 more element
A water treatment method comprising:
- supplying water to be treated that contains an oxidizing agent to a water treatment apparatus that has a water contacting portion that is made of organic materials,
- wherein concentration of dissolved oxygen in the water to be treated is 1 mg/L or less at an inlet of the water treatment apparatus.
Dependencies are inferred from the claim text.