CA1021713A - Regeneration of spent etchant - Google Patents
Regeneration of spent etchantInfo
- Publication number
- CA1021713A CA1021713A CA153,676A CA153676A CA1021713A CA 1021713 A CA1021713 A CA 1021713A CA 153676 A CA153676 A CA 153676A CA 1021713 A CA1021713 A CA 1021713A
- Authority
- CA
- Canada
- Prior art keywords
- regeneration
- spent etchant
- etchant
- spent
- 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
Classifications
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/46—Regeneration of etching compositions
-
- 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
- C25C1/12—Electrolytic production, recovery or refining of metals by electrolysis of solutions of copper
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- ing And Chemical Polishing (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Electrolytic Production Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18818971A | 1971-10-12 | 1971-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1021713A true CA1021713A (en) | 1977-11-29 |
Family
ID=22692104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA153,676A Expired CA1021713A (en) | 1971-10-12 | 1972-10-11 | Regeneration of spent etchant |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3783113A (enrdf_load_stackoverflow) |
| JP (1) | JPS4872026A (enrdf_load_stackoverflow) |
| BE (1) | BE789944A (enrdf_load_stackoverflow) |
| CA (1) | CA1021713A (enrdf_load_stackoverflow) |
| DE (1) | DE2250072A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2156249B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1390268A (enrdf_load_stackoverflow) |
| IT (1) | IT968493B (enrdf_load_stackoverflow) |
| NL (1) | NL7213827A (enrdf_load_stackoverflow) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2131454B (en) * | 1982-12-07 | 1986-06-25 | Jury Ivanovich Naumov | Process for regeneration of iron-copper chloride etching solution |
| GB2133806B (en) * | 1983-01-20 | 1986-06-04 | Electricity Council | Regenerating solutions for etching copper |
| DE3303594A1 (de) * | 1983-02-03 | 1984-08-09 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und vorrichtung zur regenerierung einer kupferhaltigen aetzloesung |
| DE3324450A1 (de) * | 1983-07-07 | 1985-01-17 | ELO-CHEM Ätztechnik GmbH, 7758 Meersburg | Ammoniumsulfathaltige aetzloesung sowie verfahren zur regeneration der aetzloesung |
| DE3340342A1 (de) * | 1983-11-08 | 1985-05-15 | ELO-CHEM Ätztechnik GmbH, 7758 Meersburg | Verfahren und anlage zum regenerieren einer ammoniakalischen aetzloesung |
| US5085730A (en) * | 1990-11-16 | 1992-02-04 | Macdermid, Incorporated | Process for regenerating ammoniacal chloride etchants |
| US5431776A (en) * | 1993-09-08 | 1995-07-11 | Phibro-Tech, Inc. | Copper etchant solution additives |
| DE4339320A1 (de) * | 1993-11-18 | 1995-05-24 | Elochem Aetztechnik Gmbh | Verfahren zum beschleunigten Ätzen und Abscheiden von Metallen in ammoniakalischen Ätzanlagen |
| GB9907848D0 (en) * | 1999-04-07 | 1999-06-02 | Shipley Co Llc | Processes and apparatus for removal of copper from fluids |
| US7404904B2 (en) * | 2001-10-02 | 2008-07-29 | Melvin Stanley | Method and apparatus to clean particulate matter from a toxic fluid |
| GB0318017D0 (en) * | 2003-08-01 | 2003-09-03 | Shipley Co Llc | Methods for recovering metals |
| CN103588262A (zh) * | 2012-08-17 | 2014-02-19 | 成都虹华环保科技有限公司 | 低含铜废水综合处理设备 |
| CN107311309B (zh) * | 2017-08-02 | 2023-06-06 | 哈尔滨工业大学 | 升流式内循环微氧生物反应器及其强化传质的曝气方法和使用方法 |
| CN116043280A (zh) * | 2023-02-17 | 2023-05-02 | 三河市日盛机械制造有限公司 | 一种铅基合金电解炉 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB506590A (en) * | 1937-11-29 | 1939-05-30 | George William Johnson | Improvements in the electrolytic manufacture and production of zinc dust |
| FR1213119A (fr) * | 1957-10-28 | 1960-03-29 | Western Electric Co | Bain pour corroder du cuivre et régénération de ce bain |
| GB1057625A (en) * | 1963-11-25 | 1967-02-01 | Ici Ltd | Electro deposition process |
-
0
- BE BE789944D patent/BE789944A/xx unknown
-
1971
- 1971-10-12 US US00188189A patent/US3783113A/en not_active Expired - Lifetime
-
1972
- 1972-09-30 IT IT29929/72A patent/IT968493B/it active
- 1972-10-11 GB GB4679472A patent/GB1390268A/en not_active Expired
- 1972-10-11 FR FR7235987A patent/FR2156249B1/fr not_active Expired
- 1972-10-11 CA CA153,676A patent/CA1021713A/en not_active Expired
- 1972-10-12 DE DE2250072A patent/DE2250072A1/de active Pending
- 1972-10-12 JP JP47101645A patent/JPS4872026A/ja active Pending
- 1972-10-12 NL NL7213827A patent/NL7213827A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2250072A1 (de) | 1973-04-19 |
| FR2156249A1 (enrdf_load_stackoverflow) | 1973-05-25 |
| FR2156249B1 (enrdf_load_stackoverflow) | 1975-03-14 |
| GB1390268A (en) | 1975-04-09 |
| JPS4872026A (enrdf_load_stackoverflow) | 1973-09-28 |
| US3783113A (en) | 1974-01-01 |
| BE789944A (fr) | 1973-02-01 |
| NL7213827A (enrdf_load_stackoverflow) | 1973-04-16 |
| IT968493B (it) | 1974-03-20 |
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