DE29922598U1 - Electrolysis cell for the regeneration of peroxodisulfate hydrofluoric acid pickling solutions - Google Patents

Electrolysis cell for the regeneration of peroxodisulfate hydrofluoric acid pickling solutions

Info

Publication number
DE29922598U1
DE29922598U1 DE29922598U DE29922598U DE29922598U1 DE 29922598 U1 DE29922598 U1 DE 29922598U1 DE 29922598 U DE29922598 U DE 29922598U DE 29922598 U DE29922598 U DE 29922598U DE 29922598 U1 DE29922598 U1 DE 29922598U1
Authority
DE
Germany
Prior art keywords
electrolytic cell
cell according
membrane
cathode
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.)
Expired - Lifetime
Application number
DE29922598U
Other languages
German (de)
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.)
EILENBURGER ELEKTROLYSE & UMWELTTECHNIK GmbH
Original Assignee
EILENBURGER ELEKTROLYSE & UMWELTTECHNIK 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 EILENBURGER ELEKTROLYSE & UMWELTTECHNIK GmbH filed Critical EILENBURGER ELEKTROLYSE & UMWELTTECHNIK GmbH
Priority to DE29922598U priority Critical patent/DE29922598U1/en
Publication of DE29922598U1 publication Critical patent/DE29922598U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/36Regeneration of waste pickling liquors

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (10)

1. Zweigeteilte Elektrolysezelle zur Regenerierung von Peroxodisulfat-Flußsäure- Beizlösungen, bestehend aus einer Anode mit durchströmtem Anodenraum und einer Kathode mit durchströmtem Kathodenraum, die durch einen Separator geteilt sind, gekennzeichnet durch eine Kombination aus einer mikroporösen Membran mit einer kathodenseitig aufgebrachten Anionenaustauschermembran, die Anode aus reinem Platin besteht und die wirksame Anodenfläche nur 30 bis 50% der Separatorfläche beträgt.1. Two-part electrolytic cell for the regeneration of peroxodisulfate-hydrofluoric acid pickling solutions, consisting of an anode with anode flow through and a cathode with flow through cathode, which are divided by a separator, characterized by a combination of a microporous membrane with an anion exchange membrane applied on the cathode, the anode consists of pure platinum and the effective anode area is only 30 to 50% of the separator area. 2. Elektrolysezelle nach Anspruch 1, gekennzeichnet durch die Verwendung einer für einwertige Anionen selektiven Anionenaustauschermembran.2. Electrolytic cell according to claim 1, characterized by the use of a monovalent anions selective anion exchange membrane. 3. Elektrolysezelle nach den Ansprüchen 1 bis 2, gekennzeichnet durch eine mikropo­ röse Membran aus PVC.3. Electrolytic cell according to claims 1 to 2, characterized by a micropo red PVC membrane. 4. Elektrolysezelle nach den Ansprüchen 1 bis 3, gekennzeichnet dadurch, daß die mi­ kroporöse Membran 0,2 bis 2 mm stark ist.4. Electrolytic cell according to claims 1 to 3, characterized in that the mi Croporous membrane is 0.2 to 2 mm thick. 5. Elektrolysezelle nach den Ansprüchen 1 bis 4, gekennzeichnet dadurch, daß die mi­ kroporöse Membran mittlere Porendurchmesser zwischen 1 und 50 µm besitzt.5. Electrolytic cell according to claims 1 to 4, characterized in that the mi Croporous membrane has average pore diameters between 1 and 50 microns. 6. Elektrolysezelle nach den Ansprüchen 1 bis 5, gekennzeichnet dadurch, daß die Anionenaustauschermembran als anionenleitende Schicht direkt auf die mikroporöse Membran aufgebracht ist.6. Electrolytic cell according to claims 1 to 5, characterized in that the Anion exchange membrane as an anion-conducting layer directly on the microporous Membrane is applied. 7. Elektrolysezelle nach den Ansprüchen 1 bis 6, gekennzeichnet dadurch, daß Platinfo- lienanoden eingesetzt werden, deren Oberflächen teilweise durch Masken aus einem beständigem Kunststoff oder aus keramischem Material abgedeckt sind.7. Electrolytic cell according to claims 1 to 6, characterized in that platinum lien anodes are used, the surfaces of which are partially masked from a resistant plastic or ceramic material are covered. 8. Elektrolysezelle nach den Ansprüchen 1 bis 6, gekennzeichnet dadurch, daß die Pla­ tinanode in einzelne Folienstreifen unterteilt ist.8. Electrolytic cell according to claims 1 to 6, characterized in that the pla tinanode is divided into individual film strips. 9. Elektrolysezelle nach den Ansprüchen 1 bis 8, gekennzeichnet dadurch, daß die Kathode aus Graphit oder Edelstahl besteht.9. electrolytic cell according to claims 1 to 8, characterized in that the Cathode made of graphite or stainless steel. 10. Elektrolysezelle nach den Ansprüchen 1 bis 9, gekennzeichnet durch gekühlte An­ oden und/oder Kathoden.10. Electrolytic cell according to claims 1 to 9, characterized by cooled to odes and / or cathodes.
DE29922598U 1999-12-23 1999-12-23 Electrolysis cell for the regeneration of peroxodisulfate hydrofluoric acid pickling solutions Expired - Lifetime DE29922598U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29922598U DE29922598U1 (en) 1999-12-23 1999-12-23 Electrolysis cell for the regeneration of peroxodisulfate hydrofluoric acid pickling solutions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29922598U DE29922598U1 (en) 1999-12-23 1999-12-23 Electrolysis cell for the regeneration of peroxodisulfate hydrofluoric acid pickling solutions

Publications (1)

Publication Number Publication Date
DE29922598U1 true DE29922598U1 (en) 2000-03-30

Family

ID=8083402

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29922598U Expired - Lifetime DE29922598U1 (en) 1999-12-23 1999-12-23 Electrolysis cell for the regeneration of peroxodisulfate hydrofluoric acid pickling solutions

Country Status (1)

Country Link
DE (1) DE29922598U1 (en)

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000504

R156 Lapse of ip right after 3 years

Effective date: 20030701