EP0034391B1 - Verwendung einer Blei-Legierung für Anoden bei der elektrolytischen Gewinnung von Zink - Google Patents

Verwendung einer Blei-Legierung für Anoden bei der elektrolytischen Gewinnung von Zink Download PDF

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Publication number
EP0034391B1
EP0034391B1 EP81200163A EP81200163A EP0034391B1 EP 0034391 B1 EP0034391 B1 EP 0034391B1 EP 81200163 A EP81200163 A EP 81200163A EP 81200163 A EP81200163 A EP 81200163A EP 0034391 B1 EP0034391 B1 EP 0034391B1
Authority
EP
European Patent Office
Prior art keywords
anodes
zinc
weight
lead alloy
lead
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
EP81200163A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0034391A1 (de
Inventor
Adolf Dr.-Ing. Von Röpenack
Günter Ing. grad. Stock
Ulrich Dr.-Ing. Heubner
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.)
Ruhr Zink GmbH
Original Assignee
Ruhr Zink GmbH
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 Ruhr Zink GmbH filed Critical Ruhr Zink GmbH
Publication of EP0034391A1 publication Critical patent/EP0034391A1/de
Application granted granted Critical
Publication of EP0034391B1 publication Critical patent/EP0034391B1/de
Expired legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C11/00—Alloys based on lead
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
    • C25C1/16—Electrolytic production, recovery or refining of metals by electrolysis of solutions of zinc, cadmium or mercury
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
    • C25C7/02—Electrodes; Connections thereof

Definitions

  • the wet metallurgical extraction of zinc usually takes place according to the process principle of zinc blende roasting, leaching of the roasted material, lye cleaning, electrolytic deposition of zinc and remelting agent. of the zinc previously drawn from the cathodes. Electrolytic deposition takes place practically exclusively from sulfuric acid solutions with the help of aluminum cathodes and lead anodes.
  • Anode materials are primarily ternary lead alloys with mostly silver contents that are between 0.5 and 1.0% by weight.
  • the third alloy component studies are available on thallium, tellurium, selenium, bismuth, calcium, gold, mercury, strontium, barium, arsenic, tin and cobalt (The Journal of Ap- .plied Chemistry of the USSR - english translation - Vol. 24 (1951) pp. 1429 ff) as well as magnesium and silicon (The Journal of Applied Chemistry of the USSR - english translation - Vol. 26 (1953) pp. 847 ff).
  • the object of the invention is to provide an alloy for anodes in the electrolytic extraction of zinc from acidic solutions which do not have the disadvantages of the known alloys, have advantageous electrical and mechanical properties and can be produced as inexpensively as possible.
  • the solution to the problem lies in the use of a lead alloy consisting of 0.05 to 0.25% by weight of strontium and / or 0.05 to 0.1% by weight of calcium and 0.1 to 0.5% by weight of silver , Remaining lead for anodes in the electrolytic extraction of zinc from acidic solutions.
  • strontium-containing alloys those in which the strontium content is 0.05 to 0.1% by weight are preferably used.
  • the anodes made from the aforementioned alloys have considerable hardness and high elasticity. They are dimensionally stable, so that they can be produced in a smaller thickness than conventional anodes. This saves alloy material in general and silver in particular. Due to the low weight of the anodes, the connection elements, in particular the support rods, can also be constructed more easily.
  • the high dimensional stability of the anodes allows the electrode gap to be reduced, so that a reduction in energy consumption is achieved.
  • Alloys containing calcium or strontium are expediently used for reasons of simpler production. With regard to their properties, however, those that have both alloy components are also equivalent.
  • the anodes can be produced by rolling or casting.
  • the possibility of casting is advantageous insofar as the anodes are immediately given their final dimensions and - if desired - passage openings for the electrolyte can already be provided during the casting.
  • the strength of the metal alloy is so high that even in the manufacture of anodes with through openings, a greater thickness - for reasons of stability, for example - is not necessary.
  • the corrosion resistance of the anodes is so high that there is practically no removal even after months of operation. This is particularly surprising because there was a fear that a reduction in the silver content in the alloy would be associated with an increase in corrosion.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Electrolytic Production Of Metals (AREA)
EP81200163A 1980-02-15 1981-02-11 Verwendung einer Blei-Legierung für Anoden bei der elektrolytischen Gewinnung von Zink Expired EP0034391B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803005674 DE3005674A1 (de) 1980-02-15 1980-02-15 Verwendung einer blei-legierung fuer anoden bei der elektrolytischen gewinnung von zink
DE3005674 1980-02-15

Publications (2)

Publication Number Publication Date
EP0034391A1 EP0034391A1 (de) 1981-08-26
EP0034391B1 true EP0034391B1 (de) 1983-08-24

Family

ID=6094697

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81200163A Expired EP0034391B1 (de) 1980-02-15 1981-02-11 Verwendung einer Blei-Legierung für Anoden bei der elektrolytischen Gewinnung von Zink

Country Status (8)

Country Link
US (1) US4364807A (no)
EP (1) EP0034391B1 (no)
JP (1) JPS56127743A (no)
AU (1) AU538729B2 (no)
DE (2) DE3005674A1 (no)
ES (1) ES8704552A1 (no)
FI (1) FI65821C (no)
NO (1) NO153976C (no)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272339A (en) * 1980-03-10 1981-06-09 Knight Bill J Process for electrowinning of metals
IT1133952B (it) * 1980-10-20 1986-07-24 Samim Spa Anodo inattaccabile in piombo alligato
CA1232227A (en) * 1982-02-18 1988-02-02 Christopher Vance Manufacturing electrode by immersing substrate in aluminium halide and other metal solution and electroplating
JPS5959891A (ja) * 1982-09-28 1984-04-05 Akita Seiren Kk 金属電解採取用陽極
US4439288A (en) * 1983-07-11 1984-03-27 Exxon Research & Engineering Company Process for reducing Zn consumption in zinc electrolyte purification
IT1178784B (it) * 1984-12-21 1987-09-16 Samim Soc Azionaria Minero Met Materiale composito
FR2691649B1 (fr) * 1992-05-29 1995-06-02 Extramet Sa Procédé de décontamination des terres polluées par des métaux.
JPH0652737U (ja) * 1992-12-26 1994-07-19 合資会社榊原 缶詰め飲食物の断熱具
US5648286A (en) * 1996-09-03 1997-07-15 Advanced Micro Devices, Inc. Method of making asymmetrical transistor with lightly doped drain region, heavily doped source and drain regions, and ultra-heavily doped source region
US6139705A (en) * 1998-05-06 2000-10-31 Eltech Systems Corporation Lead electrode
DE69904237T2 (de) * 1999-01-13 2003-11-27 Rsr Technologies, Inc. Elektrogewinnungs-Anoden mit einer sich schnell bildenden Oxid-Schutzschicht
JP5048981B2 (ja) * 2006-08-29 2012-10-17 アシスト株式会社 ミストサウナ装置
US7458902B2 (en) * 2007-03-14 2008-12-02 Eaton Corporation Changeable golf grip
BG110844A (bg) * 2011-02-04 2012-10-31 "Кцм" Ад Метод и устройство за електроекстракция на цинк от сулфатни разтвори
CN103042031B (zh) * 2011-10-12 2016-06-08 云南大泽电极科技有限公司 铅合金板材的铸轧生产方法
WO2014029848A1 (en) 2012-08-24 2014-02-27 Novartis Ag Nep inhibitors for treating diseases characterized by atrial enlargement or remodeling
CN106319565A (zh) * 2016-09-21 2017-01-11 东莞市联洲知识产权运营管理有限公司 一种氨性体系下制备电积锌的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272339A (en) * 1980-03-10 1981-06-09 Knight Bill J Process for electrowinning of metals

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
Czoka et Papahadjoupoulos Ann. Rev. BioPhys. BioEng. 1980 9:467-508, pp 467,485,486 (2ex.) *
D Dreamer et al Biochimica et Biophysica Acta 443 (1976) pp 629-634 *
H Kremer et al Biochemistry vol. 16 no.17 1977 *
Pagano et Weinstein Ann.Rev. BioPhys. BioEng. 1978 7:435-68 *

Also Published As

Publication number Publication date
DE3005674A1 (de) 1981-08-20
US4364807A (en) 1982-12-21
FI65821C (fi) 1984-07-10
DE3160775D1 (en) 1983-09-29
ES8704552A1 (es) 1987-06-01
NO810416L (no) 1981-08-17
FI810395L (fi) 1981-08-16
EP0034391A1 (de) 1981-08-26
AU6728681A (en) 1981-08-20
NO153976C (no) 1986-06-25
ES499435A0 (es) 1987-06-01
NO153976B (no) 1986-03-17
FI65821B (fi) 1984-03-30
JPS56127743A (en) 1981-10-06
JPS6323274B2 (no) 1988-05-16
AU538729B2 (en) 1984-08-23

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