DE69305411D1 - Verfahren zur Beseitigung von Mikroorganismen - Google Patents

Verfahren zur Beseitigung von Mikroorganismen

Info

Publication number
DE69305411D1
DE69305411D1 DE69305411T DE69305411T DE69305411D1 DE 69305411 D1 DE69305411 D1 DE 69305411D1 DE 69305411 T DE69305411 T DE 69305411T DE 69305411 T DE69305411 T DE 69305411T DE 69305411 D1 DE69305411 D1 DE 69305411D1
Authority
DE
Germany
Prior art keywords
microorganisms
removal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69305411T
Other languages
English (en)
Other versions
DE69305411T3 (de
DE69305411T2 (de
Inventor
Akira Ikeda
Naoki Nakatsugawa
Yumiko Yoshimura
Yasuhiro Tanimura
Kenji Ezaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26449153&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69305411(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP4109801A external-priority patent/JPH05305290A/ja
Priority claimed from JP10940192A external-priority patent/JPH05305288A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE69305411D1 publication Critical patent/DE69305411D1/de
Application granted granted Critical
Publication of DE69305411T2 publication Critical patent/DE69305411T2/de
Publication of DE69305411T3 publication Critical patent/DE69305411T3/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/20—Prevention of biofouling
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/083—Mineral agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
DE69305411T 1992-04-28 1993-04-15 System und Verfahren zur Beseitigung von Mikroorganismen Expired - Fee Related DE69305411T3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4109801A JPH05305290A (ja) 1992-04-28 1992-04-28 生物付着防止装置
JP10940192A JPH05305288A (ja) 1992-04-28 1992-04-28 微生物除去方法

Publications (3)

Publication Number Publication Date
DE69305411D1 true DE69305411D1 (de) 1996-11-21
DE69305411T2 DE69305411T2 (de) 1997-05-15
DE69305411T3 DE69305411T3 (de) 2003-11-20

Family

ID=26449153

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69305411T Expired - Fee Related DE69305411T3 (de) 1992-04-28 1993-04-15 System und Verfahren zur Beseitigung von Mikroorganismen

Country Status (3)

Country Link
US (1) US5591349A (de)
EP (1) EP0567860B2 (de)
DE (1) DE69305411T3 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9425110D0 (en) * 1994-12-13 1995-02-08 Boc Group Plc Sewage respiration inhibition
JPH09108313A (ja) * 1995-10-24 1997-04-28 Mitsubishi Electric Corp 微生物繁殖防止方法およびその装置
JP3670451B2 (ja) * 1997-07-24 2005-07-13 三菱電機株式会社 オゾン供給装置
JP3734341B2 (ja) * 1997-07-24 2006-01-11 三菱電機株式会社 冷却水系生物障害防止方法および装置
FR2767522B1 (fr) 1997-08-20 1999-10-01 Air Liquide Sante Dev Sa Procede et dispositif de traitement de l'eau par injection d'ozone et de dioxyde de carbone
US5971368A (en) 1997-10-29 1999-10-26 Fsi International, Inc. System to increase the quantity of dissolved gas in a liquid and to maintain the increased quantity of dissolved gas in the liquid until utilized
US6080531A (en) * 1998-03-30 2000-06-27 Fsi International, Inc. Organic removal process
DE19825063A1 (de) * 1998-06-04 1999-12-09 Astex Sorbios Gmbh Verfahren zur Unterdrückung der Zerfallsgeschwindigkeit von Ozon in ultrareinem Wasser
US6235641B1 (en) 1998-10-30 2001-05-22 Fsi International Inc. Method and system to control the concentration of dissolved gas in a liquid
US6406551B1 (en) 1999-05-14 2002-06-18 Fsi International, Inc. Method for treating a substrate with heat sensitive agents
US6800205B2 (en) * 2002-07-31 2004-10-05 Softub, Inc. Method and means for ozonation of pools and spas
US6821442B1 (en) * 2002-08-12 2004-11-23 The United States Of America As Represented By The Secretary Of The Department Of The Interior Method and apparatus for control of aquatic vertebrate and invertebrate invasive species
TW574152B (en) * 2002-08-16 2004-02-01 Ind Tech Res Inst Chemistry mechanism of high concentration ozone/reaction liquid generation system and method
US7502114B2 (en) 2004-03-12 2009-03-10 Mks Instruments, Inc. Ozone concentration sensor
ITVI20120297A1 (it) * 2012-11-07 2014-05-08 Alessandro Bacci Procedimento per la produzione di una soluzione acquosa per l' ottenimento di un prodotto refrigerante impiegabile nella lavorazione e conservazione di prodotti alimentari freschi e relativi soluzione acquosa e prodotto refrigerante
NL2010885C2 (en) * 2013-05-29 2014-12-02 Stichting Dienst Landbouwkundi Cooling water.
US11084744B2 (en) 2018-03-28 2021-08-10 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Method for mixing gas-free liquid oxidant with process liquid
US10851000B2 (en) 2018-03-28 2020-12-01 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Systems for producing high-concentration of dissolved ozone in liquid media
US11434153B2 (en) * 2018-03-28 2022-09-06 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés George Claude Separation of ozone oxidation in liquid media into three unit operations for process optimization

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805481A (en) * 1964-04-23 1974-04-23 E Armstrong Apparatus for and process of treating liquids with a gas
US3748262A (en) * 1971-12-03 1973-07-24 Grace W R & Co Closed-loop generating and contacting system
US4136027A (en) * 1972-09-22 1979-01-23 Osaka Gas Company Limited Method for treating water
JPS5126685A (de) * 1974-08-29 1976-03-05 Mitsubishi Electric Corp
GB1545635A (en) * 1975-12-19 1979-05-10 Mitsubishi Electric Corp Ozone-generating apparatus
US4172786A (en) * 1978-09-29 1979-10-30 Nasa Ozonation of cooling tower waters
JPS5561983A (en) * 1978-11-01 1980-05-10 Mitsubishi Electric Corp Removal method of microorganism
JPS55158107A (en) * 1979-05-29 1980-12-09 Mitsubishi Electric Corp Oxygen recycling type ozone generating apparatus
US4352740A (en) * 1980-02-08 1982-10-05 Linde Aktiengesellschaft Water ozonation method
US4552659A (en) * 1980-03-04 1985-11-12 Mitsubishi Denki Kabushiki Kaisha Apparatus for elimination of biofouling
US4453953A (en) * 1981-05-12 1984-06-12 Mitsubishi Denki Kabushiki Kaisha Intermittent ozone feeding apparatus
JPS6048444B2 (ja) * 1981-06-05 1985-10-28 三菱電機株式会社 間欠オゾン供給装置
US5075016A (en) * 1984-11-13 1991-12-24 Barnes Ronald L Method for treating recirculating water
DE3603900A1 (de) * 1985-02-13 1986-08-21 Mitsubishi Denki K.K., Tokio/Tokyo Trinkwasserreinigungseinrichtung
EP0330028A1 (de) * 1988-02-25 1989-08-30 Linde Aktiengesellschaft Verfahren und Vorrichtung zur Entgiftung von cyanid- und schwermetallhaltigen Lösungen
JPH03217294A (ja) * 1990-01-19 1991-09-25 Mitsubishi Heavy Ind Ltd オゾン水、オゾン氷の製造方法
US5145585A (en) * 1990-02-09 1992-09-08 Coke Alden L Method and apparatus for treating water in a cooling system
JPH03296490A (ja) * 1990-04-16 1991-12-27 Mitsubishi Heavy Ind Ltd オゾン水製造方法
US5186841A (en) * 1991-11-05 1993-02-16 Praxair Technology Inc. Cooling water ozonation system
GB9126491D0 (en) * 1991-12-13 1992-02-12 Boc Group Plc Treatment of water

Also Published As

Publication number Publication date
EP0567860A1 (de) 1993-11-03
US5591349A (en) 1997-01-07
DE69305411T3 (de) 2003-11-20
EP0567860B1 (de) 1996-10-16
DE69305411T2 (de) 1997-05-15
EP0567860B2 (de) 2003-01-29

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee