CS167923B2 - - Google Patents
Info
- Publication number
- CS167923B2 CS167923B2 CS4631A CS463170A CS167923B2 CS 167923 B2 CS167923 B2 CS 167923B2 CS 4631 A CS4631 A CS 4631A CS 463170 A CS463170 A CS 463170A CS 167923 B2 CS167923 B2 CS 167923B2
- Authority
- CS
- Czechoslovakia
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0488—Flow sheets
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/005—Processes comprising at least two steps in series
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/10—Purification; Separation; Use of additives by extraction, i.e. purification or separation of liquid hydrocarbons with the aid of liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1981269 | 1969-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS167923B2 true CS167923B2 (US07935154-20110503-C00006.png) | 1976-05-28 |
Family
ID=11161483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS4631A CS167923B2 (US07935154-20110503-C00006.png) | 1969-07-18 | 1970-07-02 |
Country Status (17)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4081355A (en) * | 1970-08-12 | 1978-03-28 | Krupp-Koppers Gmbh | Process for recovering highly pure aromatics from a mixture of aromatics and non-aromatics |
| US3953300A (en) * | 1972-11-29 | 1976-04-27 | Snam Progetti, S.P.A. | Process for separating a high purity vinyl aromatic hydrocarbon from hydrocarbon mixtures containing the same |
| US6565742B1 (en) * | 1997-09-03 | 2003-05-20 | Gtc Technology Inc. | Aromatics separation process and method of retrofitting existing equipment for same |
| US8460517B2 (en) * | 2009-09-02 | 2013-06-11 | Gtc Technology Us Llc | Methods and apparatuses for steam addition to a reboiler coupled to an extractive distillation column for improved extractive distillation |
| US9770032B2 (en) * | 2010-02-17 | 2017-09-26 | Osprey Biotechnics, Inc. | Compositions for stabilizing bacillus spores and methods of use thereof |
| US8471088B2 (en) | 2011-01-31 | 2013-06-25 | Exxonmobil Chemical Patents Inc. | Solvent quality control in extraction processes |
| US9138658B2 (en) | 2011-01-31 | 2015-09-22 | Exxonmobil Chemical Patents Inc. | Solvent quality control in extraction processes |
| JP6138938B2 (ja) * | 2012-08-09 | 2017-05-31 | カウンシル オブ サイエンティフィック アンド インダストリアル リサーチ | 有機ペルオキシドを含有する未処理の分解ガソリン留分から高純度ベンゼンを回収することにより低ベンゼンガソリンを製造する処理工程 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3262875A (en) * | 1961-06-07 | 1966-07-26 | Snam Societa Per Azioni | Process for extracting high-purity aromatic hydrocarbons from a hydrocarbonaceous mixture |
| GB1119292A (en) * | 1964-10-14 | 1968-07-10 | Snam Spa | Process for extracting aromatic hydrocarbons from hydrocarbon mixtures containing same |
| US3487013A (en) * | 1968-02-26 | 1969-12-30 | Universal Oil Prod Co | Solvent extraction with recycle of light nonaromatic fraction |
| US3558480A (en) * | 1968-10-28 | 1971-01-26 | Universal Oil Prod Co | Light and heavy reflux streams in solvent extraction of aromatics |
| US3551327A (en) * | 1969-03-12 | 1970-12-29 | Universal Oil Prod Co | Extractive distillation of aromatics with a sulfolane solvent |
-
1970
- 1970-06-30 YU YU1655/70A patent/YU35748B/xx unknown
- 1970-07-02 CS CS4631A patent/CS167923B2/cs unknown
- 1970-07-09 SU SU1446589A patent/SU365071A3/ru active
- 1970-07-13 BE BE753353D patent/BE753353A/xx not_active IP Right Cessation
- 1970-07-16 DE DE2065780A patent/DE2065780B2/de active Granted
- 1970-07-16 DE DE2065779A patent/DE2065779C3/de not_active Expired
- 1970-07-16 DE DE2035315A patent/DE2035315C3/de not_active Expired
- 1970-07-16 FR FR707026113A patent/FR2051835B1/fr not_active Expired
- 1970-07-16 LU LU61349D patent/LU61349A1/xx unknown
- 1970-07-17 ES ES381945A patent/ES381945A1/es not_active Expired
- 1970-07-17 NL NL7010676.A patent/NL167143C/xx not_active IP Right Cessation
- 1970-07-17 US US00055908A patent/US3720605A/en not_active Expired - Lifetime
- 1970-07-17 GB GB34913/70A patent/GB1271596A/en not_active Expired
- 1970-07-17 BG BG7000015208A patent/BG25642A3/xx unknown
- 1970-07-17 AT AT654470A patent/AT312138B/de not_active IP Right Cessation
- 1970-07-17 CA CA088,536A patent/CA955875A/en not_active Expired
- 1970-07-17 DK DK373170AA patent/DK131511B/da not_active IP Right Cessation
- 1970-07-17 JP JP45062181A patent/JPS4924901B1/ja active Pending
- 1970-07-18 RO RO63967A patent/RO61637A/ro unknown
