DE2216393C3 - Verfahren zum Regenerieren von verbrauchten galvanischen Chrombändern - Google Patents
Verfahren zum Regenerieren von verbrauchten galvanischen ChrombändernInfo
- Publication number
- DE2216393C3 DE2216393C3 DE19722216393 DE2216393A DE2216393C3 DE 2216393 C3 DE2216393 C3 DE 2216393C3 DE 19722216393 DE19722216393 DE 19722216393 DE 2216393 A DE2216393 A DE 2216393A DE 2216393 C3 DE2216393 C3 DE 2216393C3
- Authority
- DE
- Germany
- Prior art keywords
- chromium
- iron
- chromate
- bath
- galvanic
- 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
Links
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims description 45
- 238000000034 method Methods 0.000 title claims description 16
- 230000008929 regeneration Effects 0.000 title description 6
- 238000011069 regeneration method Methods 0.000 title description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 34
- 239000011651 chromium Substances 0.000 claims description 32
- 229910052804 chromium Inorganic materials 0.000 claims description 31
- 229910052742 iron Inorganic materials 0.000 claims description 15
- ABXXWVKOBZHNNF-UHFFFAOYSA-N chromium(3+);dioxido(dioxo)chromium Chemical compound [Cr+3].[Cr+3].[O-][Cr]([O-])(=O)=O.[O-][Cr]([O-])(=O)=O.[O-][Cr]([O-])(=O)=O ABXXWVKOBZHNNF-UHFFFAOYSA-N 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 239000003153 chemical reaction reagent Substances 0.000 claims description 7
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- LXMQZGGLHVSEBA-UHFFFAOYSA-N chromium;trihydrate Chemical compound O.O.O.[Cr] LXMQZGGLHVSEBA-UHFFFAOYSA-N 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 2
- 230000001172 regenerating effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical group O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 13
- 239000003792 electrolyte Substances 0.000 description 11
- 238000005868 electrolysis reaction Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 5
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 5
- 238000000151 deposition Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- VQWFNAGFNGABOH-UHFFFAOYSA-K chromium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Cr+3] VQWFNAGFNGABOH-UHFFFAOYSA-K 0.000 description 2
- MSNWSDPPULHLDL-UHFFFAOYSA-K ferric hydroxide Chemical compound [OH-].[OH-].[OH-].[Fe+3] MSNWSDPPULHLDL-UHFFFAOYSA-K 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 235000014413 iron hydroxide Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- QLOKJRIVRGCVIM-UHFFFAOYSA-N 1-[(4-methylsulfanylphenyl)methyl]piperazine Chemical compound C1=CC(SC)=CC=C1CN1CCNCC1 QLOKJRIVRGCVIM-UHFFFAOYSA-N 0.000 description 1
- JHWIEAWILPSRMU-UHFFFAOYSA-N 2-methyl-3-pyrimidin-4-ylpropanoic acid Chemical compound OC(=O)C(C)CC1=CC=NC=N1 JHWIEAWILPSRMU-UHFFFAOYSA-N 0.000 description 1
- PMJNEQWWZRSFCE-UHFFFAOYSA-N 3-ethoxy-3-oxo-2-(thiophen-2-ylmethyl)propanoic acid Chemical compound CCOC(=O)C(C(O)=O)CC1=CC=CS1 PMJNEQWWZRSFCE-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- JOSWYUNQBRPBDN-UHFFFAOYSA-P ammonium dichromate Chemical compound [NH4+].[NH4+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O JOSWYUNQBRPBDN-UHFFFAOYSA-P 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 150000001845 chromium compounds Chemical class 0.000 description 1
- UZUDISASKYIBFB-UHFFFAOYSA-L chromium dihydroxy(dioxo)chromium Chemical compound [Cr].[Cr](=O)(=O)(O)O UZUDISASKYIBFB-UHFFFAOYSA-L 0.000 description 1
- HPZXDAJMWXWHGU-UHFFFAOYSA-H chromium(3+) iron(3+) hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Cr+3].[Fe+3] HPZXDAJMWXWHGU-UHFFFAOYSA-H 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229960004887 ferric hydroxide Drugs 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- PXLIDIMHPNPGMH-UHFFFAOYSA-N sodium chromate Chemical compound [Na+].[Na+].[O-][Cr]([O-])(=O)=O PXLIDIMHPNPGMH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/683—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of complex-forming compounds
-
- 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
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Metallurgy (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Electrolytic Production Of Metals (AREA)
- Chemical Treatment Of Metals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46020308A JPS5119417B1 (enExample) | 1971-04-05 | 1971-04-05 | |
| JP46061782A JPS5126892B2 (enExample) | 1971-08-14 | 1971-08-14 | |
| JP6178171A JPS5119813B2 (enExample) | 1971-08-14 | 1971-08-14 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2216393A1 DE2216393A1 (de) | 1972-10-26 |
| DE2216393B2 DE2216393B2 (de) | 1973-11-29 |
| DE2216393C3 true DE2216393C3 (de) | 1974-07-04 |
Family
ID=27282981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722216393 Expired DE2216393C3 (de) | 1971-04-05 | 1972-04-05 | Verfahren zum Regenerieren von verbrauchten galvanischen Chrombändern |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2216393C3 (enExample) |
| FR (1) | FR2132449B1 (enExample) |
| GB (1) | GB1388204A (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4243501A (en) * | 1979-03-30 | 1981-01-06 | Michael Ladney, Jr. | Process and apparatus for the regeneration of chromic acid baths |
| DE4109434C2 (de) * | 1991-03-22 | 1993-12-23 | Ludwig Mechler Gmbh | Verfahren zum Aufarbeiten von chromathaltigen Abwässern und/oder Prozeßlösungen |
| CN112110487B (zh) * | 2020-09-22 | 2022-07-08 | 攀钢集团研究院有限公司 | 一种易溶氢氧化铬的制备方法 |
| CN115976535B (zh) * | 2022-12-23 | 2023-08-18 | 中国科学院青海盐湖研究所 | 酸性体系中铬铁电化学氧化制备三价铬盐的方法及装置 |
| CN115928108B (zh) * | 2022-12-23 | 2023-08-01 | 中国科学院青海盐湖研究所 | 电化学氧化铬铁直接制备三价铬化合物的方法 |
| CN119191524A (zh) * | 2024-11-15 | 2024-12-27 | 重庆广仁能源装备股份有限公司 | 一种含铬废液处理工艺 |
-
1972
- 1972-04-04 GB GB1542872A patent/GB1388204A/en not_active Expired
- 1972-04-05 FR FR7211925A patent/FR2132449B1/fr not_active Expired
- 1972-04-05 DE DE19722216393 patent/DE2216393C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2132449A1 (enExample) | 1972-11-17 |
| DE2216393B2 (de) | 1973-11-29 |
| DE2216393A1 (de) | 1972-10-26 |
| FR2132449B1 (enExample) | 1974-08-02 |
| GB1388204A (en) | 1975-03-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |