WO2011083443A3 - Control of hard water scaling in electrochemical cells - Google Patents

Control of hard water scaling in electrochemical cells Download PDF

Info

Publication number
WO2011083443A3
WO2011083443A3 PCT/IB2011/050100 IB2011050100W WO2011083443A3 WO 2011083443 A3 WO2011083443 A3 WO 2011083443A3 IB 2011050100 W IB2011050100 W IB 2011050100W WO 2011083443 A3 WO2011083443 A3 WO 2011083443A3
Authority
WO
WIPO (PCT)
Prior art keywords
hard water
electrochemical cells
control
water scaling
hypochlorite
Prior art date
Application number
PCT/IB2011/050100
Other languages
French (fr)
Other versions
WO2011083443A2 (en
Inventor
Kim R. Smith
Jenna M. Johnson
Erik C. Olson
Patrick H. Kilawee
Original Assignee
Ecolab Usa Inc.
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 Ecolab Usa Inc. filed Critical Ecolab Usa Inc.
Publication of WO2011083443A2 publication Critical patent/WO2011083443A2/en
Publication of WO2011083443A3 publication Critical patent/WO2011083443A3/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
    • 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
    • C02F1/72—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
    • 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
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46119—Cleaning the electrodes
    • 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
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances

Abstract

A threshold agent composition and methods of using the same to produce hypochlorite and other effluent streams from an electrochemical cell without the detrimental effects of hard water scaling are disclosed. The invention further discloses use of chemistries to prevent hard water scale formation in various electrochemical cells to enhance cell longevity without decreasing chlorine, hypochlorite or other effluent production.
PCT/IB2011/050100 2010-01-11 2011-01-10 Control of hard water scaling in electrochemical cells WO2011083443A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29396810P 2010-01-11 2010-01-11
US61/293,968 2010-01-11

Publications (2)

Publication Number Publication Date
WO2011083443A2 WO2011083443A2 (en) 2011-07-14
WO2011083443A3 true WO2011083443A3 (en) 2011-12-08

Family

ID=44257690

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2011/050100 WO2011083443A2 (en) 2010-01-11 2011-01-10 Control of hard water scaling in electrochemical cells

Country Status (2)

Country Link
US (1) US20110168567A1 (en)
WO (1) WO2011083443A2 (en)

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US20180251383A9 (en) * 2010-04-13 2018-09-06 Molycorp Minerals, Llc Non-metal-containing oxyanion removal from waters using rare earths
US8557178B2 (en) * 2010-12-21 2013-10-15 Ecolab Usa Inc. Corrosion inhibition of hypochlorite solutions in saturated wipes
US8603392B2 (en) * 2010-12-21 2013-12-10 Ecolab Usa Inc. Electrolyzed water system
US8933263B2 (en) 2010-12-29 2015-01-13 Ecolab Usa Inc. Water temperature as a means of controlling kinetics of onsite generated peracids
US8858895B2 (en) 2010-12-29 2014-10-14 Ecolab Usa Inc. Continuous on-line adjustable disinfectant/sanitizer/bleach generator
US8846107B2 (en) 2010-12-29 2014-09-30 Ecolab Usa Inc. In situ generation of peroxycarboxylic acids at alkaline pH, and methods of use thereof
US9321664B2 (en) 2011-12-20 2016-04-26 Ecolab Usa Inc. Stable percarboxylic acid compositions and uses thereof
US9242879B2 (en) 2012-03-30 2016-01-26 Ecolab Usa Inc. Use of peracetic acid/hydrogen peroxide and peroxide-reducing agents for treatment of drilling fluids, frac fluids, flowback water and disposal water
JP2014028363A (en) * 2012-06-28 2014-02-13 Molex Inc Acidic electrolytic water and method for producing the same
US10131553B2 (en) 2013-01-30 2018-11-20 3M Innovative Properties Company Electrochemical cells for supply of acid water
BR112015018469A2 (en) * 2013-02-01 2017-07-18 3M Innovative Properties Co rechargeable electrochemical cells
US20140256811A1 (en) 2013-03-05 2014-09-11 Ecolab Usa Inc. Efficient stabilizer in controlling self accelerated decomposition temperature of peroxycarboxylic acid compositions with mineral acids
US10165774B2 (en) 2013-03-05 2019-01-01 Ecolab Usa Inc. Defoamer useful in a peracid composition with anionic surfactants
US8822719B1 (en) 2013-03-05 2014-09-02 Ecolab Usa Inc. Peroxycarboxylic acid compositions suitable for inline optical or conductivity monitoring
US10294129B2 (en) 2013-12-09 2019-05-21 General Electric Company Polymeric-metal composite electrode-based electrochemical device for generating oxidants
CA2941859A1 (en) 2014-03-07 2015-09-11 Molycorp Minerals, Llc Cerium (iv) oxide with exceptional arsenic removal properties
MY191132A (en) 2014-12-18 2022-05-31 Ecolab Usa Inc Generation of peroxyformic acid through polyhydric alcohol formate
EP3232781A4 (en) 2014-12-18 2018-08-22 Ecolab USA Inc. Methods for forming peroxyformic acid and uses thereof
US11040902B2 (en) 2014-12-18 2021-06-22 Ecolab Usa Inc. Use of percarboxylic acids for scale prevention in treatment systems
ES2884087T3 (en) 2018-02-20 2021-12-10 Fcc Aqualia S A Method for the simultaneous production of chlorine and carbon neutral compounds by means of a bioelectrochemical system
WO2019241635A1 (en) 2018-06-15 2019-12-19 Ecolab Usa Inc. On site generated performic acid compositions for teat treatment
CN114032582B (en) * 2021-11-02 2023-08-22 广州新奥环境技术有限公司 Scale inhibitor for sodium hypochlorite generator and scale inhibition method

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JP2008259961A (en) * 2007-04-12 2008-10-30 Kurita Water Ind Ltd Electrodeionizing apparatus and its operation method

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JPH1129601A (en) * 1997-07-10 1999-02-02 Mitsubishi Gas Chem Co Inc Production of tricarboxy polysaccharide by nitrogen dioxide
JP2000000571A (en) * 1998-06-16 2000-01-07 Japan Organo Co Ltd Electric deionized water apparatus
JP2001310187A (en) * 2000-05-02 2001-11-06 Kurita Water Ind Ltd Slime preventing method
US20070158067A1 (en) * 2005-08-10 2007-07-12 Zhijun Xiao Scale Inhibitors Compatible with Sandstone Acidizing
JP2008259961A (en) * 2007-04-12 2008-10-30 Kurita Water Ind Ltd Electrodeionizing apparatus and its operation method

Also Published As

Publication number Publication date
WO2011083443A2 (en) 2011-07-14
US20110168567A1 (en) 2011-07-14

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