CA2879430C - Corrosion protection using a sacrificial anode - Google Patents

Corrosion protection using a sacrificial anode Download PDF

Info

Publication number
CA2879430C
CA2879430C CA2879430A CA2879430A CA2879430C CA 2879430 C CA2879430 C CA 2879430C CA 2879430 A CA2879430 A CA 2879430A CA 2879430 A CA2879430 A CA 2879430A CA 2879430 C CA2879430 C CA 2879430C
Authority
CA
Canada
Prior art keywords
anode
impressed current
sacrificial
metal section
sacrificial anode
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.)
Active
Application number
CA2879430A
Other languages
English (en)
French (fr)
Other versions
CA2879430A1 (en
Inventor
George Sergi
Attanayake Mudiyanselage Gamini Seneviratne
David Whitmore
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.)
Vector Corrosion Technologies Ltd
Original Assignee
Vector Corrosion Technologies Ltd
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 US13/553,498 external-priority patent/US8961746B2/en
Priority claimed from US13/553,489 external-priority patent/US20140021039A1/en
Priority claimed from US13/553,514 external-priority patent/US8968549B2/en
Application filed by Vector Corrosion Technologies Ltd filed Critical Vector Corrosion Technologies Ltd
Priority to CA2936644A priority Critical patent/CA2936644C/en
Priority to CA3089939A priority patent/CA3089939A1/en
Priority to CA2944472A priority patent/CA2944472C/en
Publication of CA2879430A1 publication Critical patent/CA2879430A1/en
Application granted granted Critical
Publication of CA2879430C publication Critical patent/CA2879430C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
    • C23F13/20—Conducting electric current to electrodes
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
    • C23F13/10—Electrodes characterised by the structure
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F2201/00—Type of materials to be protected by cathodic protection
    • C23F2201/02—Concrete, e.g. reinforced
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
    • C23F2213/20—Constructional parts or assemblies of the anodic or cathodic protection apparatus
    • C23F2213/21—Constructional parts or assemblies of the anodic or cathodic protection apparatus combining at least two types of anodic or cathodic protection
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
    • C23F2213/20—Constructional parts or assemblies of the anodic or cathodic protection apparatus
    • C23F2213/22—Constructional parts or assemblies of the anodic or cathodic protection apparatus characterized by the ionic conductor, e.g. humectant, hydratant or backfill
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/015—Anti-corrosion coatings or treating compositions, e.g. containing waterglass or based on another metal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Prevention Of Electric Corrosion (AREA)
CA2879430A 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode Active CA2879430C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA2936644A CA2936644C (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode
CA3089939A CA3089939A1 (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode
CA2944472A CA2944472C (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US13/553,498 US8961746B2 (en) 2012-07-19 2012-07-19 Charging a sacrificial anode with ions of the sacrificial material
US13/553,489 US20140021039A1 (en) 2012-07-19 2012-07-19 Apparatus for Cathodic Protection System Using an Impressed Current Anode and a Sacrificial Anode
US13/553,514 2012-07-19
US13/553,498 2012-07-19
US13/553,514 US8968549B2 (en) 2012-07-19 2012-07-19 Two stage cathodic protection system using impressed current and galvanic action
US13/553,489 2012-07-19
PCT/CA2013/050561 WO2014012185A1 (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode

Related Child Applications (3)

Application Number Title Priority Date Filing Date
CA2944472A Division CA2944472C (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode
CA2936644A Division CA2936644C (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode
CA3089939A Division CA3089939A1 (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode

Publications (2)

Publication Number Publication Date
CA2879430A1 CA2879430A1 (en) 2014-01-23
CA2879430C true CA2879430C (en) 2023-06-13

Family

ID=49948141

Family Applications (4)

Application Number Title Priority Date Filing Date
CA3089939A Pending CA3089939A1 (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode
CA2944472A Active CA2944472C (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode
CA2879430A Active CA2879430C (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode
CA2936644A Active CA2936644C (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CA3089939A Pending CA3089939A1 (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode
CA2944472A Active CA2944472C (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2936644A Active CA2936644C (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode

Country Status (5)

Country Link
EP (2) EP3623499A1 (ja)
JP (3) JP6273654B2 (ja)
AU (1) AU2013293019B2 (ja)
CA (4) CA3089939A1 (ja)
WO (1) WO2014012185A1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE50006E1 (en) 2012-07-19 2024-06-11 Vector Corrosion Technologies Ltd. Corrosion protection using a sacrificial anode
CA3152509A1 (en) 2012-10-18 2014-04-24 Gareth Glass Protection of steel reinforced concrete elements
US9909220B2 (en) * 2014-12-01 2018-03-06 Vector Corrosion Technologies Ltd. Fastening sacrificial anodes to reinforcing bars in concrete for cathodic protection
US10640877B2 (en) 2015-11-03 2020-05-05 Vector Remediation Ltd. Cathodic corrosion protection
JP2017179467A (ja) * 2016-03-30 2017-10-05 株式会社ピーエス三菱 鉄筋コンクリート構造体における電気的防食構造及び該電気的防食構造の効果計測方法
JP7116319B2 (ja) * 2019-02-20 2022-08-10 日本電信電話株式会社 防食装置
JP7377096B2 (ja) * 2019-12-24 2023-11-09 株式会社クボタ 埋設金属管の防食装置及び埋設金属管の防食施工方法

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53934B2 (ja) * 1974-05-10 1978-01-13
JPS5518372Y2 (ja) * 1975-01-13 1980-04-28
JPS568923Y2 (ja) * 1975-09-03 1981-02-26
JPS6254090A (ja) * 1985-09-02 1987-03-09 Showa Shell Sekiyu Kk 埋設金属体の電気防食装置
JPS62116790A (ja) * 1985-11-18 1987-05-28 Nakagawa Boshoku Kogyo Kk 電気防食装置
JPS63286592A (ja) * 1987-05-16 1988-11-24 Permelec Electrode Ltd 防食用電極
JP2589150B2 (ja) * 1988-06-17 1997-03-12 三洋電機株式会社 アルカリ亜鉛蓄電池
JPH0283642U (ja) * 1988-12-09 1990-06-28
JP2601338B2 (ja) * 1989-01-30 1997-04-16 株式会社ナカボーテック 流電陽極方式と外部電源方式とを併用した電気防食方法
US5026468A (en) * 1989-05-22 1991-06-25 Colorado Interstate Gas Company Dual bed cathodic protection system with automatic controls
CA2030970C (en) * 1990-10-30 1999-06-29 Ronald L. Carpenter Dual bed cathodic protection system with automatic controls and method of use
US6303017B1 (en) 1993-06-16 2001-10-16 Aston Material Services Limited Cathodic protection of reinforced concrete
GB9312431D0 (en) 1993-06-16 1993-07-28 Aston Material Services Ltd Improvements in and relating to protecting reinforced concrete
JPH07316850A (ja) * 1994-05-27 1995-12-05 Okanishi:Kk 太陽電池による防食方法
US6471851B1 (en) 1996-10-11 2002-10-29 Jack E. Bennett Cathodic protection system
US6217742B1 (en) 1996-10-11 2001-04-17 Jack E. Bennett Cathodic protection system
JPH1161461A (ja) * 1997-08-08 1999-03-05 Ejison:Kk 船舶搭載機器の電蝕防止装置
US6027633A (en) 1998-09-16 2000-02-22 Whitmore; David W. Electrolytic restoration of concrete
GB9823654D0 (en) 1998-10-29 1998-12-23 Fosroc International Ltd Connector for use in cathodic protection and method of use
US6165346A (en) 1999-02-05 2000-12-26 Whitmore; David Cathodic protection of concrete
US6572760B2 (en) 1999-02-05 2003-06-03 David Whitmore Cathodic protection
US7276144B2 (en) 1999-02-05 2007-10-02 David Whitmore Cathodic protection
US6346188B1 (en) 2000-03-24 2002-02-12 Enser Corporation Battery-powered cathodic protection system
JP2002206182A (ja) * 2000-12-28 2002-07-26 Sumitomo Osaka Cement Co Ltd コンクリート構造物の電気防食装置
EP1444382A4 (en) 2001-09-26 2006-03-08 J E Bennett Consultants Inc CATHODE PROTECTION SYSTEM
JP2003129262A (ja) * 2001-10-23 2003-05-08 Kajima Corp コンクリート鋼材の防食用具電気防食用部品
JP2003151569A (ja) * 2001-11-08 2003-05-23 Sony Corp アルカリ亜鉛一次電池およびアルカリ亜鉛二次電池
JP3969075B2 (ja) * 2001-12-03 2007-08-29 ソニー株式会社 円筒型ニッケル亜鉛蓄電池
US6793800B2 (en) 2002-12-20 2004-09-21 David Whitmore Cathodic protection of steel within a covering material
JP2005089857A (ja) * 2003-09-20 2005-04-07 Socio Recur:Kk 振動発電による電蝕防止
CA2444638C (en) 2003-10-10 2008-11-25 David W. Whitmore Cathodic protection of steel within a covering material
GB0409521D0 (en) * 2004-04-29 2004-06-02 Fosroc International Ltd Sacrificial anode assembly
AT413822B (de) 2004-08-04 2006-06-15 Wolfgang Schwarz Galvanisches anodensystem für den korrosionsschutz von stahl und verfahren zu dessenherstellung
GB2427618B8 (en) 2004-10-20 2019-05-01 E Chem Tech Ltd Improvements related to the protection of reinforcement
US8211289B2 (en) 2005-03-16 2012-07-03 Gareth Kevin Glass Sacrificial anode and treatment of concrete
GB0505353D0 (en) * 2005-03-16 2005-04-20 Chem Technologies Ltd E Treatment process for concrete
US8002964B2 (en) * 2005-10-04 2011-08-23 Gareth Kevin Glass Sacrificial anode and backfill
GB0604545D0 (en) * 2006-03-07 2006-04-19 Roberts Adrian C Electrical connection
WO2008118589A1 (en) * 2007-03-24 2008-10-02 Bennett John E Composite anode for cathodic protection
JP2008098099A (ja) * 2006-10-16 2008-04-24 Fdk Energy Co Ltd 電池用負極材および電池
US8157983B2 (en) 2007-03-24 2012-04-17 Bennett John E Composite anode for cathodic protection
GB2471073A (en) * 2009-06-15 2010-12-22 Gareth Kevin Glass Corrosion Protection of Steel in Concrete
US7998321B1 (en) 2009-07-27 2011-08-16 Roberto Giorgini Galvanic anode for reinforced concrete applications
JP5437044B2 (ja) 2009-12-16 2014-03-12 電気化学工業株式会社 鉄筋コンクリート内部の鉄筋の防食工法
US8887832B2 (en) * 2010-06-25 2014-11-18 Baker Hughes Incorporated Apparatus and methods for corrosion protection of downhole tools
JP5678504B2 (ja) * 2010-07-26 2015-03-04 株式会社Ihi 有潮流海域での海洋鋼構造物の防食方法
CA2870755A1 (fr) 2012-04-17 2013-10-24 Soletanche Freyssinet Procede de protection galvanique d'une structure en beton arme

Also Published As

Publication number Publication date
CA2936644A1 (en) 2014-01-23
AU2013293019B2 (en) 2017-08-24
JP6273654B2 (ja) 2018-02-07
EP3623499A1 (en) 2020-03-18
JP2015525832A (ja) 2015-09-07
CA2944472C (en) 2021-05-18
EP2875171B1 (en) 2024-01-03
JP2018076595A (ja) 2018-05-17
EP2875171A1 (en) 2015-05-27
JP6998066B2 (ja) 2022-01-18
CA2936644C (en) 2017-10-31
WO2014012185A1 (en) 2014-01-23
EP2875171A4 (en) 2016-07-06
JP6590902B2 (ja) 2019-10-16
JP2020015984A (ja) 2020-01-30
EP2875171C0 (en) 2024-01-03
CA2879430A1 (en) 2014-01-23
AU2013293019A1 (en) 2015-01-22
CA2944472A1 (en) 2014-01-23
CA3089939A1 (en) 2014-01-23

Similar Documents

Publication Publication Date Title
US8968549B2 (en) Two stage cathodic protection system using impressed current and galvanic action
CA2879430C (en) Corrosion protection using a sacrificial anode
US10053782B2 (en) Corrosion protection using a sacrificial anode
US8961746B2 (en) Charging a sacrificial anode with ions of the sacrificial material
US20140021039A1 (en) Apparatus for Cathodic Protection System Using an Impressed Current Anode and a Sacrificial Anode
US20240209515A1 (en) Cathodic corrosion protection
CN1965106A (zh) 牺牲阳极组合件
CA2879225A1 (en) Corrosion protection using a sacrificial anode
US20190010614A1 (en) Cathodic Corrosion Protection with Current Limiter
CA3019322C (en) Cathodic corrosion protection system with rebar mounting assembly
CA2961848C (en) Cathodic corrosion protection
USRE49882E1 (en) Corrosion protection using a sacrificial anode
AU2015200284B2 (en) Corrosion protection using a sacrifical anode

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20160720

EEER Examination request

Effective date: 20160720

EEER Examination request

Effective date: 20160720

EEER Examination request

Effective date: 20160720

EEER Examination request

Effective date: 20160720

EEER Examination request

Effective date: 20160720

EEER Examination request

Effective date: 20160720