CA1213558A - Method of purifying trivalent chromium electroplating baths - Google Patents

Method of purifying trivalent chromium electroplating baths

Info

Publication number
CA1213558A
CA1213558A CA000432829A CA432829A CA1213558A CA 1213558 A CA1213558 A CA 1213558A CA 000432829 A CA000432829 A CA 000432829A CA 432829 A CA432829 A CA 432829A CA 1213558 A CA1213558 A CA 1213558A
Authority
CA
Canada
Prior art keywords
ions
electrolyte
trivalent chromium
metal ions
dimethyldithiocarbamate
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
Application number
CA000432829A
Other languages
English (en)
French (fr)
Inventor
Walter J. Wieczerniak
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.)
OMI International Corp
Original Assignee
OMI International 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 OMI International Corp filed Critical OMI International Corp
Application granted granted Critical
Publication of CA1213558A publication Critical patent/CA1213558A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C25D21/16—Regeneration of process solutions
    • C25D21/18—Regeneration of process solutions of electrolytes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Removal Of Specific Substances (AREA)
CA000432829A 1982-07-29 1983-07-20 Method of purifying trivalent chromium electroplating baths Expired CA1213558A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40321282A 1982-07-29 1982-07-29
US403,212 1982-07-29

Publications (1)

Publication Number Publication Date
CA1213558A true CA1213558A (en) 1986-11-04

Family

ID=23594912

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000432829A Expired CA1213558A (en) 1982-07-29 1983-07-20 Method of purifying trivalent chromium electroplating baths

Country Status (6)

Country Link
JP (1) JPS5941500A (enrdf_load_stackoverflow)
AU (1) AU542415B2 (enrdf_load_stackoverflow)
CA (1) CA1213558A (enrdf_load_stackoverflow)
DE (1) DE3327011A1 (enrdf_load_stackoverflow)
FR (1) FR2537164A1 (enrdf_load_stackoverflow)
GB (1) GB2124258B (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107857389A (zh) * 2017-11-06 2018-03-30 广州超邦化工有限公司 处理碱性锌镍合金电镀废水的方法
CN108218129A (zh) * 2018-01-26 2018-06-29 广州超邦化工有限公司 化学镀镍废水的处理方法
CN108315774A (zh) * 2018-02-06 2018-07-24 广州超邦化工有限公司 一种三价铬镀铬液中镍和铜杂质的处理方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS633128A (ja) * 1986-06-23 1988-01-08 Sanyo Electric Co Ltd 燃焼器の制御回路
JPS6362900A (ja) * 1986-09-03 1988-03-19 Shinko Electric Ind Co Ltd 金めつき液の再生方法
JPH01174822A (ja) * 1987-12-29 1989-07-11 Katsunori Tanada バーナー用タイマー装置
US6398845B1 (en) 2000-02-10 2002-06-04 Sumitomo Chemical Company, Limited Method for purifying aluminum
RU2175691C1 (ru) * 2001-01-23 2001-11-10 Добрыднев Сергей Владимирович Способ регенерации сульфатного электролита хромирования
JP5218742B2 (ja) * 2008-03-07 2013-06-26 奥野製薬工業株式会社 ３価クロムめっき浴の金属不純物除去方法
JP5182115B2 (ja) * 2009-01-21 2013-04-10 東ソー株式会社 重金属の固定化処理方法、それに用いる処理剤及びその製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3518171A (en) * 1969-07-24 1970-06-30 Metalux Corp The Purification of nickel electroplating solutions
CA955035A (en) * 1970-02-05 1974-09-24 Osaka Soda Co. Treatment process for removal of metals and treating agent therefor
BE794336A (fr) * 1972-02-10 1973-05-16 Parker Ste Continentale Procede de purification de bains de revetement metallique
GB1455580A (en) * 1973-12-13 1976-11-17 Albright & Wilson Electrodeposition of chromium
US4107004A (en) * 1975-03-26 1978-08-15 International Lead Zinc Research Organization, Inc. Trivalent chromium electroplating baths and method
GB1558169A (en) * 1975-07-03 1979-12-19 Albright & Wilson Chromium electroplating
GB1580137A (en) * 1977-05-24 1980-11-26 Bnf Metals Tech Centre Electrolytic deposition of protective chromite-containing coatings
AU513298B2 (en) * 1978-06-02 1980-11-27 International Lead Zinc Research Organization Inc. Electrodeposition of black chromium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107857389A (zh) * 2017-11-06 2018-03-30 广州超邦化工有限公司 处理碱性锌镍合金电镀废水的方法
CN107857389B (zh) * 2017-11-06 2020-06-09 广州超邦化工有限公司 处理碱性锌镍合金电镀废水的方法
CN108218129A (zh) * 2018-01-26 2018-06-29 广州超邦化工有限公司 化学镀镍废水的处理方法
CN108315774A (zh) * 2018-02-06 2018-07-24 广州超邦化工有限公司 一种三价铬镀铬液中镍和铜杂质的处理方法

Also Published As

Publication number Publication date
GB2124258B (en) 1986-01-29
DE3327011C2 (enrdf_load_stackoverflow) 1989-04-20
GB8320069D0 (en) 1983-08-24
AU542415B2 (en) 1985-02-21
JPS6158560B2 (enrdf_load_stackoverflow) 1986-12-12
FR2537164A1 (fr) 1984-06-08
JPS5941500A (ja) 1984-03-07
DE3327011A1 (de) 1984-02-02
AU1712983A (en) 1984-02-02
GB2124258A (en) 1984-02-15

Similar Documents

Publication Publication Date Title
CA1267631A (en) Trivalent chromium electrolyte and process employing vanadium reducing agent
CA1213558A (en) Method of purifying trivalent chromium electroplating baths
US5196109A (en) Trivalent chromium electrolytes and plating processes employing same
Wark The electrodeposition of zinc from acidified zinc sulphate solution
CA1215671A (en) Thiazole addition agents for trivalent chromium electrolytes
US4477318A (en) Trivalent chromium electrolyte and process employing metal ion reducing agents
CA1105873A (en) Trivalent chromium plating bath
US7833404B2 (en) Electrolytic phosphate chemical treatment method
CA2027656C (en) Galvanic dezincing of galvanized steel
US4450052A (en) Zinc and nickel tolerant trivalent chromium plating baths
US4064022A (en) Method of recovering metals from sludges
US4466865A (en) Trivalent chromium electroplating process
GB2110242A (en) Electroplating chromium
CA1139257A (en) Recovery and reuse of nickel electroplating baths carried away by workpieces
US4439285A (en) Trivalent chromium electrolyte and process employing neodymium reducing agent
EP0088192B1 (en) Control of anode gas evolution in trivalent chromium plating bath
CA1244376A (en) Trivalent chromium electrolyte and process
US1857664A (en) Treatment of gold and silver
KR100244641B1 (ko) 아연-크롬 합금 도금공정에서 발생되는 폐액으로부터 크롬,아연 및 에틸렌 디아민 테트라 아세트산의 선택적 회수방법
GB1583159A (en) Alkaline baths for electrolytic deposition of zinc and processes for using them
CN110965086A (zh) 一种酸性镀锌除杂剂及其应用
JPH0615253A (ja) シアン含有廃液の熱加水分解前処理方法
JP2749503B2 (ja) 亜鉛めっき浴中のクロム除去方法
Campbell et al. Some uses of pyrophosphates in metal finishing part II. Cobalt-tungsten alloys to zinc, including pretreatment for magnesium
Karavasteva et al. Use of Zinc Cathodes for Electrodepositing Zinc at Elevated Current Densities in the Presence of Surfactants

Legal Events

Date Code Title Description
MKEX Expiry