BE687500A - - Google Patents
Info
- Publication number
- BE687500A BE687500A BE687500DA BE687500A BE 687500 A BE687500 A BE 687500A BE 687500D A BE687500D A BE 687500DA BE 687500 A BE687500 A BE 687500A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/055—Peroxyhydrates; Peroxyacids or salts thereof
- C01B15/06—Peroxyhydrates; Peroxyacids or salts thereof containing sulfur
- C01B15/08—Peroxysulfates
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US495374A US3406108A (en) | 1965-04-28 | 1965-10-01 | Regeneration of spent ammonium persulfate etching solutions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE687500A true BE687500A (cs) | 1967-03-01 |
Family
ID=23968394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE687500D BE687500A (cs) | 1965-10-01 | 1966-09-28 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE687500A (cs) |
| GB (1) | GB1141407A (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116443893A (zh) * | 2023-01-13 | 2023-07-18 | 湖北朗润环保科技有限公司 | 处理磷酸铁废水的副产物硫酸铵制备过硫酸铵的方法及系统 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4468305A (en) * | 1979-05-08 | 1984-08-28 | The Electricity Council | Method for the electrolytic regeneration of etchants for metals |
| FR2629446B3 (fr) * | 1988-03-31 | 1990-03-09 | Crouzet Sa | Procede d'epuration d'effluents contenant des ions metalliques |
| DE4402788A1 (de) * | 1994-01-31 | 1995-08-10 | Emil Krechen Industrievertretu | Verfahren zum Abtragen von Metallen |
| CN108531914A (zh) * | 2018-06-15 | 2018-09-14 | 哈尔滨工业大学深圳研究生院 | 一种h2so4/s2o82-微蚀刻废液的铜回收及同步再生微蚀刻液系统及方法 |
-
1966
- 1966-09-27 GB GB4296766A patent/GB1141407A/en not_active Expired
- 1966-09-28 BE BE687500D patent/BE687500A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116443893A (zh) * | 2023-01-13 | 2023-07-18 | 湖北朗润环保科技有限公司 | 处理磷酸铁废水的副产物硫酸铵制备过硫酸铵的方法及系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1141407A (en) | 1969-01-29 |