Title:
DISINFECTANT FOR LEGIONELLA BACTERIA, WATER TREATMENT METHOD, BATHWATER ADDITIVE, AND ADDITIVE FOR AIR-CONDITIONING COOLING TOWER WATER
Document Type and Number:
WIPO Patent Application WO/2020/044584
Kind Code:
A1
Abstract:
Provided is a disinfectant for Legionella bacteria, the disinfectant being characterized by containing an iron salt as an active ingredient. Examples of the iron salt are ferrous salts such as iron(II) sulfate (ferrous sulfate) and ferric salts such as ammonium iron(III) sulfate (ferric ammonium sulfate). Also provided is a water treatment method for treating water that contains Legionella bacteria, wherein the water treatment method is characterized by introducing an iron salt or iron ion into the water to be treated to reduce or inhibit the proliferation of Legionella bacteria contained in the water. In accordance with the present invention, Legionella bacteria present in, e.g., bathwater or air-conditioning cooling tower water can be conveniently killed or sterilized while exhibiting a high level of safety and reassurance.
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Inventors:
KONDO AKIHIRO (JP)
Application Number:
PCT/JP2018/045793
Publication Date:
March 05, 2020
Filing Date:
December 13, 2018
Export Citation:
Assignee:
HIYOSHI CORP (JP)
International Classes:
A01N59/16; A01P1/00; C02F1/50
Domestic Patent References:
| WO2009133616A1 | 2009-11-05 |
Foreign References:
| JP2000044417A | 2000-02-15 | |||
| JPH1129408A | 1999-02-02 | |||
| JP2005254223A | 2005-09-22 | |||
| JP2007084493A | 2007-04-05 | |||
| JP2007209912A | 2007-08-23 | |||
| JP2008264678A | 2008-11-06 | |||
| JP2001259651A | 2001-09-25 |
Other References:
PRADHAN SURENDRA K., KAUPPINEN ARI, MARTIKAINEN KATI, PITKÄNEN TARJA, KUSNETSOV JAANA, MIETTINEN ILKKA T., PESSI MATTI, POUTIAINEN: "Microbial reduction in wastewater treatment using Fe3+ and Al3+ coagulants and PAA disinfectant", JOURNAL OF WATER AND HEALTH, vol. 11, no. 4, 2013, pages 581 - 589, XP009528556, DOI: 10.2166/wh.2013.241
EMERG INFECT DIS., vol. 23, no. 11, November 2017 (2017-11-01), pages 1769 - 1776
KEIICHI ISHII; WORK HIDENORI HORIKAMI (ED.); AKIRA KIHARA (ED.): "Amoeba Zukan'' (Amoeba Illustrated Book)", 26 February 1999, KINBARA PUBLISHING, JP, ISBN: 4-307-03049-4, article KEIICHI ISHII; WORK HIDENORI HORIKAMI (ED.); AKIRA KIHARA (ED.): "Front Matter; Amoeba Zukan (Amoeba Illustrated Book)", pages: 1 - 7, XP009520575
EMERG INFECT DIS., vol. 23, no. 11, November 2017 (2017-11-01), pages 1769 - 1776
KEIICHI ISHII; WORK HIDENORI HORIKAMI (ED.); AKIRA KIHARA (ED.): "Amoeba Zukan'' (Amoeba Illustrated Book)", 26 February 1999, KINBARA PUBLISHING, JP, ISBN: 4-307-03049-4, article KEIICHI ISHII; WORK HIDENORI HORIKAMI (ED.); AKIRA KIHARA (ED.): "Front Matter; Amoeba Zukan (Amoeba Illustrated Book)", pages: 1 - 7, XP009520575
Attorney, Agent or Firm:
FUJITA Takashi et al. (JP)
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