IT981410B - Procedimento di purificazione di benzolo e di toluolo median te distillazione azeotropica estrattiva - Google Patents
Procedimento di purificazione di benzolo e di toluolo median te distillazione azeotropica estrattivaInfo
- Publication number
- IT981410B IT981410B IT21629/73A IT2162973A IT981410B IT 981410 B IT981410 B IT 981410B IT 21629/73 A IT21629/73 A IT 21629/73A IT 2162973 A IT2162973 A IT 2162973A IT 981410 B IT981410 B IT 981410B
- Authority
- IT
- Italy
- Prior art keywords
- toluol
- benzol
- purification
- procedure
- azeotropic distillation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G21/00—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
-
- 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)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Water Supply & Treatment (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 |
---|---|---|---|
FR7209763A FR2176488B1 (de) | 1972-03-20 | 1972-03-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT981410B true IT981410B (it) | 1974-10-10 |
Family
ID=9095539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21629/73A IT981410B (it) | 1972-03-20 | 1973-03-15 | Procedimento di purificazione di benzolo e di toluolo median te distillazione azeotropica estrattiva |
Country Status (10)
Country | Link |
---|---|
US (1) | US3884769A (de) |
JP (1) | JPS5632971B2 (de) |
BE (1) | BE796434A (de) |
CA (1) | CA988451A (de) |
DD (1) | DD104501A1 (de) |
DE (1) | DE2313603C2 (de) |
FR (1) | FR2176488B1 (de) |
GB (1) | GB1430481A (de) |
IT (1) | IT981410B (de) |
NL (1) | NL7303911A (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2383148A2 (fr) * | 1977-03-08 | 1978-10-06 | Inst Francais Du Petrole | Procede de purification de benzene et de toluene par distillation azeotropique-extractive |
DD133937A1 (de) * | 1977-03-08 | 1979-01-31 | Inst Francais Du Petrole | Verfahren zur reinigung von benzol und toluol durch azeotrope extraktivdestillation |
FR2388580A1 (fr) * | 1977-04-29 | 1978-11-24 | Inst Francais Du Petrole | Procede et dispositif de controle d'une distillation extractive |
US4514262A (en) * | 1982-08-02 | 1985-04-30 | Lloyd Berg | Separation of benzene from non-aromatic hydrocarbons by extractive distillation |
US4569647A (en) * | 1983-09-16 | 1986-02-11 | Pelam, Inc. | Apparatus for preparing and embedding tissue samples for histological examination |
US4955468A (en) * | 1989-09-08 | 1990-09-11 | Phillips Petroleum Company | Separation of hydrocarbon mixtures |
US5068011A (en) * | 1990-10-26 | 1991-11-26 | Phillips Petroleum Company | Separation of monoolefins from paraffins |
US5399244A (en) * | 1993-12-06 | 1995-03-21 | Glitsch, Inc. | Process to recover benzene from mixed hydrocarbons by extractive distillation |
US5458741A (en) * | 1994-01-14 | 1995-10-17 | Lloyd Berg | Separation of benzene from close boiling hydrocarbons by extractive distillation |
DE4437702C1 (de) * | 1994-10-21 | 1995-11-23 | Krupp Koppers Gmbh | Verfahren zur Gewinnung von reinem Benzol und reinem Toluol |
US20080128264A1 (en) * | 2006-08-09 | 2008-06-05 | Kuang Yeu Wu | Three-phase extractive distillation with multiple columns connected in series |
US8282816B2 (en) * | 2009-04-28 | 2012-10-09 | Uop Llc | Extractive distillation process and system |
CN101774721B (zh) * | 2009-12-24 | 2012-11-28 | 烟台泰和新材料股份有限公司 | 间位芳纶纤维生产过程中所产生的含生产溶剂废液的处理方法 |
CN102068831B (zh) * | 2010-12-15 | 2012-11-21 | 天津大学 | 乙腈-甲醇共沸混合物的间歇萃取精馏装置和分离方法 |
CN104718276B (zh) * | 2012-08-09 | 2017-08-25 | 科学工业研究委员会 | 用于通过从含有机过氧化物的未加工的裂化汽油馏分回收高纯度苯来制备贫苯汽油的方法 |
US9284237B2 (en) | 2013-12-13 | 2016-03-15 | Uop Llc | Methods and apparatuses for processing hydrocarbons |
CN111635425B (zh) * | 2020-07-07 | 2022-12-20 | 山东中盛药化设备有限公司 | 一种用于分离甲苯和硅醚的方法及系统 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD82908A (de) * | ||||
US2804427A (en) * | 1955-10-27 | 1957-08-27 | Jack F Suriano | Method and apparatus for deodorizing oils and fats |
US2859155A (en) * | 1955-12-27 | 1958-11-04 | Du Pont | Process for vaporizing hydrogen peroxide by connective distillation |
US2957811A (en) * | 1957-11-05 | 1960-10-25 | Universal Oil Prod Co | Segregation of xylene isomers |
US3151046A (en) * | 1959-05-22 | 1964-09-29 | Phillips Petroleum Co | Methylethylpyridine-methylvinylpyridine fractionation |
US3114783A (en) * | 1959-08-27 | 1963-12-17 | Exxon Research Engineering Co | Separation of aromatics from hydrocarbon streams |
DE1188075B (de) * | 1963-03-12 | 1965-03-04 | Erdoelchemie Gmbh | Verfahren zur Trennung von o-Xylol und Styrol |
GB1274784A (en) * | 1969-02-17 | 1972-05-17 | Toray Industries | Recovery of aromatic hydrocarbons |
-
1972
- 1972-03-20 FR FR7209763A patent/FR2176488B1/fr not_active Expired
-
1973
- 1973-03-08 BE BE1004868A patent/BE796434A/xx unknown
- 1973-03-14 GB GB1223273A patent/GB1430481A/en not_active Expired
- 1973-03-15 IT IT21629/73A patent/IT981410B/it active
- 1973-03-16 DD DD169505A patent/DD104501A1/xx unknown
- 1973-03-19 CA CA166,613A patent/CA988451A/fr not_active Expired
- 1973-03-19 DE DE2313603A patent/DE2313603C2/de not_active Expired
- 1973-03-20 US US343108A patent/US3884769A/en not_active Expired - Lifetime
- 1973-03-20 JP JP3250973A patent/JPS5632971B2/ja not_active Expired
- 1973-03-20 NL NL7303911A patent/NL7303911A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE2313603A1 (de) | 1973-09-27 |
CA988451A (fr) | 1976-05-04 |
FR2176488B1 (de) | 1975-03-21 |
FR2176488A1 (de) | 1973-11-02 |
DE2313603C2 (de) | 1982-04-15 |
DD104501A1 (de) | 1974-03-12 |
NL7303911A (de) | 1973-09-24 |
JPS5632971B2 (de) | 1981-07-31 |
GB1430481A (en) | 1976-03-31 |
JPS495925A (de) | 1974-01-19 |
US3884769A (en) | 1975-05-20 |
BE796434A (fr) | 1973-09-10 |
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