NL7211888A - - Google Patents
Info
- Publication number
- NL7211888A NL7211888A NL7211888A NL7211888A NL7211888A NL 7211888 A NL7211888 A NL 7211888A NL 7211888 A NL7211888 A NL 7211888A NL 7211888 A NL7211888 A NL 7211888A NL 7211888 A NL7211888 A NL 7211888A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- C01B17/92—Recovery from acid tar or the like, e.g. alkylation acids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/318—Preparation characterised by the starting materials
- C01B32/33—Preparation characterised by the starting materials from distillation residues of coal or petroleum; from petroleum acid sludge
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Removal Of Specific Substances (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46074234A JPS512919B2 (https=) | 1971-09-23 | 1971-09-23 | |
| JP47048944A JPS498487A (https=) | 1972-05-17 | 1972-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7211888A true NL7211888A (https=) | 1973-03-27 |
Family
ID=26389286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7211888A NL7211888A (https=) | 1971-09-23 | 1972-08-31 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2243571A1 (https=) |
| FR (1) | FR2153260B1 (https=) |
| GB (1) | GB1370552A (https=) |
| NL (1) | NL7211888A (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2200127C2 (ru) * | 1999-03-11 | 2003-03-10 | Стил Ауторити Оф Индиа Лимитед | Способ получения полезных веществ из отходов в виде кислого шлама, образующихся при промывке сырого бензола кислым раствором |
| CN111621280B (zh) * | 2020-05-08 | 2023-02-07 | 中国石油天然气股份有限公司 | 酸渣的再利用方法及二元驱体系表面活性剂 |
| CN112573489B (zh) * | 2020-10-12 | 2023-10-31 | 江苏荣信环保科技有限公司 | 一种金属制品表面废硫酸污泥和废硫酸综合处理工艺 |
| CN112573488A (zh) * | 2020-10-12 | 2021-03-30 | 江苏荣信环保科技有限公司 | 一种金属制品表面废硫酸处理工艺 |
-
1972
- 1972-08-23 GB GB3931972A patent/GB1370552A/en not_active Expired
- 1972-08-31 NL NL7211888A patent/NL7211888A/xx not_active Application Discontinuation
- 1972-09-05 DE DE2243571A patent/DE2243571A1/de active Pending
- 1972-09-08 FR FR7232004A patent/FR2153260B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2153260A1 (https=) | 1973-05-04 |
| DE2243571A1 (de) | 1973-04-05 |
| GB1370552A (en) | 1974-10-16 |
| FR2153260B1 (https=) | 1977-01-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |