FR2354399A1 - Compartiment cathodique pour la regeneration electrolytique de solutions sulfo-chromiques et/ou phospho-chromiques - Google Patents
Compartiment cathodique pour la regeneration electrolytique de solutions sulfo-chromiques et/ou phospho-chromiquesInfo
- Publication number
- FR2354399A1 FR2354399A1 FR7617894A FR7617894A FR2354399A1 FR 2354399 A1 FR2354399 A1 FR 2354399A1 FR 7617894 A FR7617894 A FR 7617894A FR 7617894 A FR7617894 A FR 7617894A FR 2354399 A1 FR2354399 A1 FR 2354399A1
- Authority
- FR
- France
- Prior art keywords
- chromic
- chromium
- compartment
- sulpho
- phospho
- 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.)
- Granted
Links
- 230000008929 regeneration Effects 0.000 title abstract 2
- 238000011069 regeneration method Methods 0.000 title abstract 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title 2
- -1 Sulpho Chemical class 0.000 title 2
- 229910052804 chromium Inorganic materials 0.000 title 2
- 239000011651 chromium Substances 0.000 title 2
- 230000005012 migration Effects 0.000 title 1
- 238000013508 migration Methods 0.000 title 1
- 239000000463 material Substances 0.000 abstract 2
- 238000007747 plating Methods 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000615 nonconductor Substances 0.000 abstract 1
- 239000007800 oxidant agent Substances 0.000 abstract 1
- 238000005554 pickling Methods 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
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
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1617—Purification and regeneration of coating baths
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Chemically Coating (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7617894A FR2354399A1 (fr) | 1976-06-11 | 1976-06-11 | Compartiment cathodique pour la regeneration electrolytique de solutions sulfo-chromiques et/ou phospho-chromiques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7617894A FR2354399A1 (fr) | 1976-06-11 | 1976-06-11 | Compartiment cathodique pour la regeneration electrolytique de solutions sulfo-chromiques et/ou phospho-chromiques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2354399A1 true FR2354399A1 (fr) | 1978-01-06 |
| FR2354399B1 FR2354399B1 (enrdf_load_stackoverflow) | 1979-07-13 |
Family
ID=9174309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7617894A Granted FR2354399A1 (fr) | 1976-06-11 | 1976-06-11 | Compartiment cathodique pour la regeneration electrolytique de solutions sulfo-chromiques et/ou phospho-chromiques |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2354399A1 (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0008410A1 (en) * | 1978-08-11 | 1980-03-05 | Mitsubishi Jukogyo Kabushiki Kaisha | Process for treating chromic acid-containing wastewater |
| EP0436146A1 (de) * | 1989-12-12 | 1991-07-10 | Hoechst Aktiengesellschaft | Verfahren zur elektrochemischen Regenerierung von ChromschwefelsÀ¤ure |
-
1976
- 1976-06-11 FR FR7617894A patent/FR2354399A1/fr active Granted
Non-Patent Citations (2)
| Title |
|---|
| JA 74 86 227 YUASA , RESUMEE PAR *REVUE US "CHEMICAL ABSTRACTS", 82, NO. 8, 24-2-1975, NO. 49294G * |
| JA 74 90 638 YUASA , RESUMEE PAR *REVUE US "CHEMICAL ABSTRACTS VOLUME 82, NO. 18, 5-5-1975, NO. 11787O) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0008410A1 (en) * | 1978-08-11 | 1980-03-05 | Mitsubishi Jukogyo Kabushiki Kaisha | Process for treating chromic acid-containing wastewater |
| EP0436146A1 (de) * | 1989-12-12 | 1991-07-10 | Hoechst Aktiengesellschaft | Verfahren zur elektrochemischen Regenerierung von ChromschwefelsÀ¤ure |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2354399B1 (enrdf_load_stackoverflow) | 1979-07-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |