DD115897A1 - - Google Patents
Info
- Publication number
- DD115897A1 DD115897A1 DD17912574A DD17912574A DD115897A1 DD 115897 A1 DD115897 A1 DD 115897A1 DD 17912574 A DD17912574 A DD 17912574A DD 17912574 A DD17912574 A DD 17912574A DD 115897 A1 DD115897 A1 DD 115897A1
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
- C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
- C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD17912574A DD115897A1 (zh) | 1974-06-13 | 1974-06-13 | |
| DE19752521154 DE2521154A1 (de) | 1974-06-13 | 1975-05-13 | Verfahren zur reingewinnung von styrol aus technischen gemischen |
| GB2288975A GB1492266A (en) | 1974-06-13 | 1975-05-23 | Process for the recovery of styrene and substituted derivatives thereof |
| CS416975A CS186932B1 (en) | 1974-06-13 | 1975-06-12 | Solvent for extractive distillation of styrene from technical mixture |
| SU7502142901A SU564300A1 (ru) | 1974-06-13 | 1975-06-12 | Способ выделени стирола их технических смесей |
| FR7518625A FR2274585A1 (fr) | 1974-06-13 | 1975-06-13 | Procede pour obtenir du styrene pur a partir de melanges de qualite technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD17912574A DD115897A1 (zh) | 1974-06-13 | 1974-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD115897A1 true DD115897A1 (zh) | 1975-10-20 |
Family
ID=5496138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD17912574A DD115897A1 (zh) | 1974-06-13 | 1974-06-13 |
Country Status (6)
| Country | Link |
|---|---|
| CS (1) | CS186932B1 (zh) |
| DD (1) | DD115897A1 (zh) |
| DE (1) | DE2521154A1 (zh) |
| FR (1) | FR2274585A1 (zh) |
| GB (1) | GB1492266A (zh) |
| SU (1) | SU564300A1 (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8362313B2 (en) * | 2009-07-17 | 2013-01-29 | Gtc Technology, Lp | Processes and systems for recovery of styrene from a styrene-containing feedstock |
| CN102311304B (zh) * | 2010-06-29 | 2014-10-01 | 中国石油化工股份有限公司 | 一种萃取精馏分离苯乙烯的复合溶剂及应用 |
| US11465953B2 (en) * | 2018-01-12 | 2022-10-11 | China Petroleum & Chemical Corporation | Method for purification of a solvent for separation of styrene by extractive distillation and for separation of styrene |
| RU2722271C1 (ru) * | 2019-10-02 | 2020-05-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" | Способ выделения стирола из фракции C8 пироконденсата |
-
1974
- 1974-06-13 DD DD17912574A patent/DD115897A1/xx unknown
-
1975
- 1975-05-13 DE DE19752521154 patent/DE2521154A1/de not_active Withdrawn
- 1975-05-23 GB GB2288975A patent/GB1492266A/en not_active Expired
- 1975-06-12 SU SU7502142901A patent/SU564300A1/ru active
- 1975-06-12 CS CS416975A patent/CS186932B1/cs unknown
- 1975-06-13 FR FR7518625A patent/FR2274585A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2274585B1 (zh) | 1980-08-08 |
| FR2274585A1 (fr) | 1976-01-09 |
| SU564300A1 (ru) | 1977-07-05 |
| GB1492266A (en) | 1977-11-16 |
| DE2521154A1 (de) | 1976-02-26 |
| CS186932B1 (en) | 1978-12-29 |