DE1903373C3 - Verfahren zur Entfernung von Cr(VI)-Ionen aus galvanischen Cr(HI)-Bädern - Google Patents
Verfahren zur Entfernung von Cr(VI)-Ionen aus galvanischen Cr(HI)-BädernInfo
- Publication number
- DE1903373C3 DE1903373C3 DE1903373A DE1903373A DE1903373C3 DE 1903373 C3 DE1903373 C3 DE 1903373C3 DE 1903373 A DE1903373 A DE 1903373A DE 1903373 A DE1903373 A DE 1903373A DE 1903373 C3 DE1903373 C3 DE 1903373C3
- Authority
- DE
- Germany
- Prior art keywords
- chromium
- ions
- bath
- barium
- amount
- 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
- 150000002500 ions Chemical class 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 26
- 159000000009 barium salts Chemical class 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- 239000011651 chromium Substances 0.000 description 34
- 229910052804 chromium Inorganic materials 0.000 description 23
- 238000005868 electrolysis reaction Methods 0.000 description 11
- 239000000243 solution Substances 0.000 description 6
- 229910052788 barium Inorganic materials 0.000 description 5
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 150000001553 barium compounds Chemical class 0.000 description 3
- 229910001422 barium ion Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- QFFVPLLCYGOFPU-UHFFFAOYSA-N barium chromate Chemical class [Ba+2].[O-][Cr]([O-])(=O)=O QFFVPLLCYGOFPU-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 229940021013 electrolyte solution Drugs 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
- 239000005695 Ammonium acetate Substances 0.000 description 1
- KSPIHGBHKVISFI-UHFFFAOYSA-N Diphenylcarbazide Chemical compound C=1C=CC=CC=1NNC(=O)NNC1=CC=CC=C1 KSPIHGBHKVISFI-UHFFFAOYSA-N 0.000 description 1
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229940043376 ammonium acetate Drugs 0.000 description 1
- 235000019257 ammonium acetate Nutrition 0.000 description 1
- VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229940083898 barium chromate Drugs 0.000 description 1
- GXUARMXARIJAFV-UHFFFAOYSA-L barium oxalate Chemical compound [Ba+2].[O-]C(=O)C([O-])=O GXUARMXARIJAFV-UHFFFAOYSA-L 0.000 description 1
- 229940094800 barium oxalate Drugs 0.000 description 1
- MPHCLXFWCXFAFC-UHFFFAOYSA-L barium(2+);dichloride;hydrate Chemical compound O.[Cl-].[Cl-].[Ba+2] MPHCLXFWCXFAFC-UHFFFAOYSA-L 0.000 description 1
- UXFOSWFWQAUFFZ-UHFFFAOYSA-L barium(2+);diformate Chemical compound [Ba+2].[O-]C=O.[O-]C=O UXFOSWFWQAUFFZ-UHFFFAOYSA-L 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 229910001430 chromium ion Inorganic materials 0.000 description 1
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical compound [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 description 1
- QOWZHEWZFLTYQP-UHFFFAOYSA-K chromium(3+);triformate Chemical compound [Cr+3].[O-]C=O.[O-]C=O.[O-]C=O QOWZHEWZFLTYQP-UHFFFAOYSA-K 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- DKAGJZJALZXOOV-UHFFFAOYSA-N hydrate;hydrochloride Chemical compound O.Cl DKAGJZJALZXOOV-UHFFFAOYSA-N 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 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
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
- C25D3/06—Electroplating: Baths therefor from solutions of chromium from solutions of trivalent chromium
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)
- Electrolytic Production Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR137944 | 1968-01-30 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1903373A1 DE1903373A1 (de) | 1969-08-28 |
| DE1903373B2 DE1903373B2 (de) | 1978-10-26 |
| DE1903373C3 true DE1903373C3 (de) | 1979-06-28 |
Family
ID=8645281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1903373A Expired DE1903373C3 (de) | 1968-01-30 | 1969-01-23 | Verfahren zur Entfernung von Cr(VI)-Ionen aus galvanischen Cr(HI)-Bädern |
Country Status (12)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51494U (enrdf_load_stackoverflow) * | 1974-06-18 | 1976-01-06 | ||
| GB2034354B (en) * | 1978-11-11 | 1982-12-01 | Ibm | Elimination of anode hydrogen cyanide formation in trivalent chromium plating |
| US7204875B2 (en) * | 2001-10-24 | 2007-04-17 | Pentron Clinical Technologies, Llc | Dental filling material |
| WO2007115030A1 (en) * | 2006-03-31 | 2007-10-11 | Atotech Deutschland Gmbh | Crystalline chromium deposit |
| US20080169199A1 (en) * | 2007-01-17 | 2008-07-17 | Chang Gung University | Trivalent chromium electroplating solution and an electroplating process with the solution |
| CN101849041B (zh) | 2007-10-02 | 2013-01-23 | 爱托特奇德国股份有限公司 | 结晶态铬合金沉积层 |
| US20090211914A1 (en) * | 2008-02-21 | 2009-08-27 | Ching-An Huang | Trivalent Chromium Electroplating Solution and an Operational Method Thereof |
| JP2017001312A (ja) * | 2015-06-11 | 2017-01-05 | 吉田 英夫 | ワークの皮膜形成構造およびワークの皮膜形成方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB235548A (en) * | 1925-05-26 | 1926-04-22 | Mayer & Sohn J | A process for the recovery of chromium as chromate from chromiferous waste materials resulting from the leather industry |
| US1838777A (en) * | 1928-03-26 | 1931-12-29 | Ternstedt Mfg Co | Chromium plating |
| US2088615A (en) * | 1932-06-29 | 1937-08-03 | Schlotter Max | Electrodeposition of chromium |
-
1968
- 1968-01-30 FR FR137944A patent/FR1563847A/fr not_active Expired
-
1969
- 1969-01-13 BE BE726828A patent/BE726828A/fr unknown
- 1969-01-15 CH CH46569A patent/CH498940A/fr not_active IP Right Cessation
- 1969-01-16 DK DK22169AA patent/DK133832B/da not_active IP Right Cessation
- 1969-01-16 LU LU57786D patent/LU57786A1/xx unknown
- 1969-01-17 ES ES362632A patent/ES362632A1/es not_active Expired
- 1969-01-17 GB GB2911/69A patent/GB1253732A/en not_active Expired
- 1969-01-21 NL NL6901002.A patent/NL162147C/xx not_active IP Right Cessation
- 1969-01-21 US US792787*A patent/US3649479A/en not_active Expired - Lifetime
- 1969-01-23 DE DE1903373A patent/DE1903373C3/de not_active Expired
- 1969-01-29 JP JP44006249A patent/JPS4832891B1/ja active Pending
- 1969-01-30 SE SE01253/69A patent/SE354489B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK133832B (da) | 1976-07-26 |
| DE1903373A1 (de) | 1969-08-28 |
| NL6901002A (enrdf_load_stackoverflow) | 1969-08-01 |
| BE726828A (fr) | 1969-07-14 |
| NL162147B (nl) | 1979-11-15 |
| FR1563847A (enrdf_load_stackoverflow) | 1969-04-18 |
| GB1253732A (en) | 1971-11-17 |
| SE354489B (enrdf_load_stackoverflow) | 1973-03-12 |
| NL162147C (nl) | 1980-04-15 |
| DE1903373B2 (de) | 1978-10-26 |
| ES362632A1 (es) | 1970-11-01 |
| CH498940A (fr) | 1970-11-15 |
| US3649479A (en) | 1972-03-14 |
| JPS4832891B1 (enrdf_load_stackoverflow) | 1973-10-09 |
| DK133832C (enrdf_load_stackoverflow) | 1977-01-17 |
| LU57786A1 (enrdf_load_stackoverflow) | 1969-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |