EP2234918A4 - Reactor and method of chlorine dioxide production - Google Patents

Reactor and method of chlorine dioxide production

Info

Publication number
EP2234918A4
EP2234918A4 EP03738905.3A EP03738905A EP2234918A4 EP 2234918 A4 EP2234918 A4 EP 2234918A4 EP 03738905 A EP03738905 A EP 03738905A EP 2234918 A4 EP2234918 A4 EP 2234918A4
Authority
EP
European Patent Office
Prior art keywords
reactor
chlorine dioxide
dioxide production
production
chlorine
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.)
Withdrawn
Application number
EP03738905.3A
Other languages
German (de)
French (fr)
Other versions
EP2234918A1 (en
Inventor
Wilfried J Schmitz
David Francis
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.)
BCR Environmental Corp
Original Assignee
BCR Environmental 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
Application filed by BCR Environmental Corp filed Critical BCR Environmental Corp
Publication of EP2234918A1 publication Critical patent/EP2234918A1/en
Publication of EP2234918A4 publication Critical patent/EP2234918A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/20—Gaseous substances, e.g. vapours
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B11/00—Oxides or oxyacids of halogens; Salts thereof
    • C01B11/02—Oxides of chlorine
    • C01B11/022—Chlorine dioxide (ClO2)
    • C01B11/023—Preparation from chlorites or chlorates
    • C01B11/024—Preparation from chlorites or chlorates from chlorites
    • 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
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • C02F1/763—Devices for the addition of such compounds in gaseous form
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/001—Upstream control, i.e. monitoring for predictive control
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/20—Total organic carbon [TOC]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/29—Chlorine compounds
    • 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
    • C02F2303/04—Disinfection
EP03738905.3A 2003-05-23 2003-05-23 Reactor and method of chlorine dioxide production Withdrawn EP2234918A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2003/014161 WO2005087657A1 (en) 2003-05-23 2003-05-23 Reactor and method of chlorine dioxide production

Publications (2)

Publication Number Publication Date
EP2234918A1 EP2234918A1 (en) 2010-10-06
EP2234918A4 true EP2234918A4 (en) 2015-02-25

Family

ID=34975477

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03738905.3A Withdrawn EP2234918A4 (en) 2003-05-23 2003-05-23 Reactor and method of chlorine dioxide production

Country Status (5)

Country Link
EP (1) EP2234918A4 (en)
AU (1) AU2003245268A1 (en)
CA (1) CA2539984A1 (en)
MX (1) MXPA05012626A (en)
WO (1) WO2005087657A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8802139B2 (en) 2003-06-26 2014-08-12 Intellipharmaceutics Corp. Proton pump-inhibitor-containing capsules which comprise subunits differently structured for a delayed release of the active ingredient
US20080292727A1 (en) * 2005-08-09 2008-11-27 Westerman Wilferd J Technique for treatment and prevention of fungal diseases in field-grown grains and legumes by application of acid-activated sodium chlorite solution
WO2009077213A1 (en) * 2007-12-19 2009-06-25 Infracor Gmbh Method for the treatment of water with chorine dioxide
DE102008055016A1 (en) 2008-12-19 2010-07-01 Infracor Gmbh Process for treating water and aqueous systems in pipelines with chlorine dioxide
WO2011086579A1 (en) * 2010-01-18 2011-07-21 Prophylaxis Process for producing stable and pure liquid form of chlorine dioxide
DE102010055982A1 (en) 2010-12-23 2012-06-28 a.p.f.Aqua System AG Process for the preparation of an aqueous chlorine dioxide solution
WO2018157031A1 (en) 2017-02-27 2018-08-30 Ecolab USA, Inc. Method for onsite production of chlorine dioxide
EP3601157B9 (en) 2017-03-24 2021-08-25 Ecolab USA, Inc. Low risk chlorine dioxide onsite generation system
WO2019036065A1 (en) 2017-08-17 2019-02-21 Ecolab USA, Inc. Low risk chlorine dioxide onsite generation system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816077A (en) * 1971-05-21 1974-06-11 Hooker Chemical Corp Chlorine dioxide generating system
US4234446A (en) * 1979-10-09 1980-11-18 Kenneth T. Place Method and apparatus for producing chlorine dioxide
EP0119686A1 (en) * 1983-01-26 1984-09-26 Calgon Corporation Chlorine dioxide generation apparatus and process
US4659459A (en) * 1985-07-18 1987-04-21 Betz Laboratories, Inc. Automated systems for introducing chemicals into water or other liquid treatment systems
US5091107A (en) * 1989-10-20 1992-02-25 The Drackett Company Chlorine dioxide generating device
US5110580A (en) * 1989-09-14 1992-05-05 Iolab Corporation Method and apparatus for chlorine dioxide manufacture
US5855861A (en) * 1996-02-23 1999-01-05 Water Technologies Limited Method and apparatus for making aqueous chlorine dioxide
WO2002044089A2 (en) * 2000-11-28 2002-06-06 Ecochlor, Inc. Methods, apparatus, and compositions for controlling organisms in ballast water

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4251224A (en) * 1978-09-19 1981-02-17 Erco Industries Limited Control system for chlorine dioxide plants
US5324497A (en) * 1992-02-26 1994-06-28 Westerlund G Oscar Integrated procedure for high yield production of chlorine dioxide and apparatus used therefor
US5487881A (en) * 1993-02-26 1996-01-30 Eka Nobel Inc. Process of producing chlorine dioxide
US5458858A (en) * 1994-02-08 1995-10-17 Vulcan Chemicals Integrated procedure for high yield production of chlorine dioxide
US6235240B1 (en) * 1996-12-12 2001-05-22 Johnson & Johnson Gas recovery system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816077A (en) * 1971-05-21 1974-06-11 Hooker Chemical Corp Chlorine dioxide generating system
US4234446A (en) * 1979-10-09 1980-11-18 Kenneth T. Place Method and apparatus for producing chlorine dioxide
EP0119686A1 (en) * 1983-01-26 1984-09-26 Calgon Corporation Chlorine dioxide generation apparatus and process
US4659459A (en) * 1985-07-18 1987-04-21 Betz Laboratories, Inc. Automated systems for introducing chemicals into water or other liquid treatment systems
US5110580A (en) * 1989-09-14 1992-05-05 Iolab Corporation Method and apparatus for chlorine dioxide manufacture
US5091107A (en) * 1989-10-20 1992-02-25 The Drackett Company Chlorine dioxide generating device
US5855861A (en) * 1996-02-23 1999-01-05 Water Technologies Limited Method and apparatus for making aqueous chlorine dioxide
WO2002044089A2 (en) * 2000-11-28 2002-06-06 Ecochlor, Inc. Methods, apparatus, and compositions for controlling organisms in ballast water

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2005087657A1 *

Also Published As

Publication number Publication date
AU2003245268A1 (en) 2005-09-29
MXPA05012626A (en) 2006-08-23
CA2539984A1 (en) 2005-09-22
WO2005087657A1 (en) 2005-09-22
EP2234918A1 (en) 2010-10-06
WO2005087657A9 (en) 2005-10-27
WO2005087657A8 (en) 2005-12-15

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20060320

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BCR ENVIRONMENTAL CORPORATION

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SCHMITZ, WILFRIED J.

Inventor name: FRANCIS, DAVID

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SCHMITZ, WILFRIED J.

Inventor name: FRANCIS, DAVID

A4 Supplementary search report drawn up and despatched

Effective date: 20150126

RIC1 Information provided on ipc code assigned before grant

Ipc: A61L 2/20 20060101ALI20150120BHEP

Ipc: C02F 1/76 20060101ALI20150120BHEP

Ipc: C01B 11/02 20060101AFI20150120BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20150423