NL267927A - - Google Patents
Info
- Publication number
- NL267927A NL267927A NL267927DA NL267927A NL 267927 A NL267927 A NL 267927A NL 267927D A NL267927D A NL 267927DA NL 267927 A NL267927 A NL 267927A
- Authority
- NL
- Netherlands
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/14—Sulfates
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- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/36—Regeneration of waste pickling liquors
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR870182A FR1302041A (fr) | 1961-08-04 | 1961-08-04 | Procédé de production directe d'hydrates inférieurs de sulfate ferreux et régénération d'acide sulfurique à partir des bains de décapage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL267927A true NL267927A (de) |
Family
ID=8760837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL267927D NL267927A (de) | 1961-08-04 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1302041A (de) |
| NL (1) | NL267927A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2291576T5 (es) * | 2003-10-06 | 2012-05-17 | Kerr-Mcgee Pigments Gmbh | Procedimiento para la regeneración de ácido sulfúrico usado contaminado con hierro |
-
0
- NL NL267927D patent/NL267927A/xx unknown
-
1961
- 1961-08-04 FR FR870182A patent/FR1302041A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1302041A (fr) | 1962-08-24 |