Title:
水処理剤及び水処理方法
Document Type and Number:
Japanese Patent JP6645030
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a water treatment agent improved in secular stability, and, even in the case of being stored at high temperature in a summer season, capable of suppressing the decomposition of effective components for slime control, and a water treatment method using the same.SOLUTION: Provided is a water treatment agent comprising: a chlorine based oxidizer; a chlorine stabilizer; and an anionic copolymer having a pH of 2 to 6, in which the anionic copolymer being at least one kind selected from (A) a copolymer, as monomer components, including (meth)acrylic acid and an unsaturated monomer having a sulfonic acid group; the alkali metal salt of the copolymer (A) and the alkaline earth metal salt of the copolymer (A), and also provided is a water treatment method using the same.SELECTED DRAWING: None
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Inventors:
Takashi Iyasu
Murano Yasushi
Naohiro Nagai
Murano Yasushi
Naohiro Nagai
Application Number:
JP2015096767A
Publication Date:
February 12, 2020
Filing Date:
May 11, 2015
Export Citation:
Assignee:
Kurita Water Industries Ltd.
International Classes:
A01N25/22; A01N59/08; A01P3/00; C02F1/50; C02F1/76; F28F19/00
Domestic Patent References:
| JP2010058079A | ||||
| JP2003503323A | ||||
| JP2012130852A |
Foreign References:
| WO2003096810A1 | ||||
| US20080020470 | ||||
| US3749672 |
Other References:
福崎 智司,次亜塩素酸ナトリウムを用いた洗浄・殺菌操作の理論と実際,調理食品と技術:日本調理食品研究会誌,日本,2010年,第16巻、第1号,第1~14頁
Attorney, Agent or Firm:
Tamotsu Otani
Makoto Kataoka
Arinaga Shun
Rie Ishimura
Makoto Kataoka
Arinaga Shun
Rie Ishimura