WO2007064850A3 - Chlorine dioxide generator - Google Patents

Chlorine dioxide generator Download PDF

Info

Publication number
WO2007064850A3
WO2007064850A3 PCT/US2006/045939 US2006045939W WO2007064850A3 WO 2007064850 A3 WO2007064850 A3 WO 2007064850A3 US 2006045939 W US2006045939 W US 2006045939W WO 2007064850 A3 WO2007064850 A3 WO 2007064850A3
Authority
WO
WIPO (PCT)
Prior art keywords
chlorine dioxide
dioxide gas
gas source
fluidly connected
loop
Prior art date
Application number
PCT/US2006/045939
Other languages
French (fr)
Other versions
WO2007064850A2 (en
Inventor
Chenniah Nanjundiah
Larry L Hawn
Jeffrey M Dotson
Original Assignee
Pureline Treat Systems Llc
Chenniah Nanjundiah
Larry L Hawn
Jeffrey M Dotson
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
Priority claimed from US11/289,813 external-priority patent/US7914659B2/en
Priority claimed from US11/418,741 external-priority patent/US20060226023A1/en
Priority claimed from US11/548,611 external-priority patent/US7833392B2/en
Application filed by Pureline Treat Systems Llc, Chenniah Nanjundiah, Larry L Hawn, Jeffrey M Dotson filed Critical Pureline Treat Systems Llc
Priority to EP06838744A priority Critical patent/EP1973842A2/en
Publication of WO2007064850A2 publication Critical patent/WO2007064850A2/en
Publication of WO2007064850A3 publication Critical patent/WO2007064850A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/24—Halogens or compounds thereof
    • C25B1/26—Chlorine; Compounds thereof
    • 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)
    • C01B11/028—Separation; Purification
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • C02F1/4674—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation with halogen or compound of halogens, e.g. chlorine, bromine
    • 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
    • C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/46155—Heating or cooling
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/4618—Supplying or removing reactants or electrolyte
    • C02F2201/46185—Recycling the cathodic or anodic feed
    • 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
    • C02F2209/02—Temperature
    • 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
    • C02F2209/04—Oxidation reduction potential [ORP]
    • 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
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • 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
    • C02F2209/40—Liquid flow rate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

A chlorine dioxide gas generator includes a chlorine dioxide gas source and a cooling system for cooling a chlorine dioxide gas obtained from the chlorine dioxide gas source. An electrochemical chlorine dioxide generator includes an anolyte loop and a catholyte loop that is fluidly connected to a neutralization system. The neutralization system can neutralize waste products from the anolyte loop or the catholyte loop. A chlorine dioxide solution generator includes a chlorine dioxide gas source capable of producing a chlorine dioxide gas. The generator further includes an eductor system for effecting the dissolution of the chlorine dioxide gas into an aqueous liquid stream. The eductor system is fluidly connected to the chlorine dioxide gas source. The generator further includes an absorption system fluidly connected to the eductor system capable of effecting additional dissolution of the chlorine dioxide gas into the aqueous liquid.
PCT/US2006/045939 2005-11-30 2006-11-29 Chlorine dioxide generator WO2007064850A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06838744A EP1973842A2 (en) 2005-11-30 2006-11-29 Chlorine dioxide generator

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US11/289,813 US7914659B2 (en) 2004-07-29 2005-11-30 High-capacity chlorine dioxide generator
US11/289,813 2005-11-30
US11/418,741 US20060226023A1 (en) 2004-07-29 2006-05-04 Neutralization system for electrochemical chlorine dioxide generators
US11/418,741 2006-05-04
US11/548,611 US7833392B2 (en) 2004-07-29 2006-10-11 Chlorine dioxide solution generator
US11/548,611 2006-10-11

Publications (2)

Publication Number Publication Date
WO2007064850A2 WO2007064850A2 (en) 2007-06-07
WO2007064850A3 true WO2007064850A3 (en) 2008-03-06

Family

ID=39719151

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/045939 WO2007064850A2 (en) 2005-11-30 2006-11-29 Chlorine dioxide generator

Country Status (2)

Country Link
EP (1) EP1973842A2 (en)
WO (1) WO2007064850A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8394253B2 (en) * 2010-11-16 2013-03-12 Strategic Resource Optimization, Inc. Electrolytic system and method for generating biocides having an electron deficient carrier fluid and chlorine dioxide
US9695073B2 (en) 2014-07-30 2017-07-04 Ecolab Usa Inc. Dual biocide generator

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3516790A (en) * 1967-05-20 1970-06-23 Chemech Eng Ltd Process and apparatus for preparing chlorine dioxide
US3676315A (en) * 1968-02-28 1972-07-11 Kerr Mc Gee Chem Corp Production of sodium chlorate
US3754081A (en) * 1970-09-17 1973-08-21 Hooker Chemical Corp Process for the production of chlorine dioxide,chlorine and a mixtureof an alkali metal sulfate and bisulfate
US3816077A (en) * 1971-05-21 1974-06-11 Hooker Chemical Corp Chlorine dioxide generating system
US3884777A (en) * 1974-01-02 1975-05-20 Hooker Chemicals Plastics Corp Electrolytic process for manufacturing chlorine dioxide, hydrogen peroxide, chlorine, alkali metal hydroxide and hydrogen
US4308117A (en) * 1980-02-13 1981-12-29 Sweeney Charles T Generation of chlorine-chlorine dioxide mixtures
US4451444A (en) * 1981-10-21 1984-05-29 Lamb-Weston, Inc. Method and apparatus for producing chlorine dioxide
US4929434A (en) * 1989-03-09 1990-05-29 Lobley Derek G Catalytic generation of chlorine dioxide
US20030007899A1 (en) * 2001-06-25 2003-01-09 Gary Charles Process for producing chlorine dioxide
US20060022360A1 (en) * 2004-07-29 2006-02-02 Chenniah Nanjundiah Chlorine dioxide solution generator with temperature control capability

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3516790A (en) * 1967-05-20 1970-06-23 Chemech Eng Ltd Process and apparatus for preparing chlorine dioxide
US3676315A (en) * 1968-02-28 1972-07-11 Kerr Mc Gee Chem Corp Production of sodium chlorate
US3754081A (en) * 1970-09-17 1973-08-21 Hooker Chemical Corp Process for the production of chlorine dioxide,chlorine and a mixtureof an alkali metal sulfate and bisulfate
US3816077A (en) * 1971-05-21 1974-06-11 Hooker Chemical Corp Chlorine dioxide generating system
US3884777A (en) * 1974-01-02 1975-05-20 Hooker Chemicals Plastics Corp Electrolytic process for manufacturing chlorine dioxide, hydrogen peroxide, chlorine, alkali metal hydroxide and hydrogen
US4308117A (en) * 1980-02-13 1981-12-29 Sweeney Charles T Generation of chlorine-chlorine dioxide mixtures
US4451444A (en) * 1981-10-21 1984-05-29 Lamb-Weston, Inc. Method and apparatus for producing chlorine dioxide
US4929434A (en) * 1989-03-09 1990-05-29 Lobley Derek G Catalytic generation of chlorine dioxide
US20030007899A1 (en) * 2001-06-25 2003-01-09 Gary Charles Process for producing chlorine dioxide
US20060022360A1 (en) * 2004-07-29 2006-02-02 Chenniah Nanjundiah Chlorine dioxide solution generator with temperature control capability

Also Published As

Publication number Publication date
EP1973842A2 (en) 2008-10-01
WO2007064850A2 (en) 2007-06-07

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