NL6912779A - - Google Patents
Info
- Publication number
- NL6912779A NL6912779A NL6912779A NL6912779A NL6912779A NL 6912779 A NL6912779 A NL 6912779A NL 6912779 A NL6912779 A NL 6912779A NL 6912779 A NL6912779 A NL 6912779A NL 6912779 A NL6912779 A NL 6912779A
- Authority
- NL
- Netherlands
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
- 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
-
- 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
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/58—Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75510168A | 1968-08-26 | 1968-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6912779A true NL6912779A (xx) | 1970-03-02 |
Family
ID=25037735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6912779A NL6912779A (xx) | 1968-08-26 | 1969-08-21 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4918356B1 (xx) |
| BE (1) | BE737917A (xx) |
| CH (1) | CH520624A (xx) |
| DE (1) | DE1942950A1 (xx) |
| FR (1) | FR2016382A1 (xx) |
| GB (1) | GB1272407A (xx) |
| NL (1) | NL6912779A (xx) |
| SE (1) | SE358671B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5262295U (xx) * | 1975-10-29 | 1977-05-07 | ||
| DE2643798A1 (de) * | 1976-09-29 | 1978-04-06 | Bayer Ag | Verfahren zur aufarbeitung von abfallschwefelsaeure und eisensulfatheptahydrat zu frischsaeure |
| DE3216420A1 (de) * | 1982-05-03 | 1983-11-03 | Bayer Ag, 5090 Leverkusen | Verfahren zur spaltung von verduennter schwefelsaeure |
| DK191386D0 (da) * | 1986-04-24 | 1986-04-24 | Koege Kemisk Vaerk | Emulgatorsystem |
-
1969
- 1969-07-25 GB GB37550/69A patent/GB1272407A/en not_active Expired
- 1969-08-01 SE SE10851/69A patent/SE358671B/xx unknown
- 1969-08-21 NL NL6912779A patent/NL6912779A/xx unknown
- 1969-08-22 CH CH1274769A patent/CH520624A/fr not_active IP Right Cessation
- 1969-08-23 DE DE19691942950 patent/DE1942950A1/de active Pending
- 1969-08-25 JP JP44066538A patent/JPS4918356B1/ja active Pending
- 1969-08-25 FR FR6929035A patent/FR2016382A1/fr not_active Withdrawn
- 1969-08-25 BE BE737917D patent/BE737917A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE358671B (xx) | 1973-08-06 |
| CH520624A (fr) | 1972-03-31 |
| DE1942950A1 (de) | 1970-04-02 |
| JPS4918356B1 (xx) | 1974-05-09 |
| BE737917A (xx) | 1970-02-25 |
| FR2016382A1 (xx) | 1970-05-08 |
| GB1272407A (en) | 1972-04-26 |