IT981410B - PROCEDURE FOR PURIFICATION OF BENZOL AND TOLUOL BY EXTRACTIVE AZEOTROPIC DISTILLATION - Google Patents
PROCEDURE FOR PURIFICATION OF BENZOL AND TOLUOL BY EXTRACTIVE AZEOTROPIC DISTILLATIONInfo
- 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)
- Analytical Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (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 (en) | 1972-03-20 | 1972-03-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT981410B true IT981410B (en) | 1974-10-10 |
Family
ID=9095539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21629/73A IT981410B (en) | 1972-03-20 | 1973-03-15 | PROCEDURE FOR PURIFICATION OF BENZOL AND TOLUOL BY EXTRACTIVE AZEOTROPIC DISTILLATION |
Country Status (10)
Country | Link |
---|---|
US (1) | US3884769A (en) |
JP (1) | JPS5632971B2 (en) |
BE (1) | BE796434A (en) |
CA (1) | CA988451A (en) |
DD (1) | DD104501A1 (en) |
DE (1) | DE2313603C2 (en) |
FR (1) | FR2176488B1 (en) |
GB (1) | GB1430481A (en) |
IT (1) | IT981410B (en) |
NL (1) | NL7303911A (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2383148A2 (en) * | 1977-03-08 | 1978-10-06 | Inst Francais Du Petrole | BENZENE AND TOLUENE PURIFICATION PROCESS BY AZEOTROPIC-EXTRACTIVE DISTILLATION |
NL7802444A (en) * | 1977-03-08 | 1978-09-12 | Inst Francais Du Petrole | PROCESS FOR THE PURIFICATION OF BENZENE AND TOLUA BY EXTRACTIVE AZEOTROPE DISTILLATION. |
FR2388580A1 (en) * | 1977-04-29 | 1978-11-24 | Inst Francais Du Petrole | Control of extractive distn. column - involves monitoring plate temp. above feed but below solvent addn. point and using this to control heat addn. to column |
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 (en) * | 1994-10-21 | 1995-11-23 | Krupp Koppers Gmbh | Recovering pure benzene@ and toluene@ from aromatic hydrocarbon starting product |
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 (en) * | 2009-12-24 | 2012-11-28 | 烟台泰和新材料股份有限公司 | Method for treating production solvent-containing waste liquid from production of m-aramid fibers |
CN102068831B (en) * | 2010-12-15 | 2012-11-21 | 天津大学 | Batch extractive distillation device and separation method for acetonitrile-methanol azeotropic mixture |
ES2664626T3 (en) * | 2012-08-09 | 2018-04-20 | Council Of Scientific & Industrial Research | A process for the production of benzene-poor gasoline by recovering high purity benzene from the unprocessed cracked gasoline fraction containing organic peroxides |
US9284237B2 (en) | 2013-12-13 | 2016-03-15 | Uop Llc | Methods and apparatuses for processing hydrocarbons |
CN111635425B (en) * | 2020-07-07 | 2022-12-20 | 山东中盛药化设备有限公司 | Method and system for separating toluene and silyl ether |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD82908A (en) * | ||||
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 (en) * | 1963-03-12 | 1965-03-04 | Erdoelchemie Gmbh | Process for the separation of o-xylene and styrene |
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/en unknown
- 1973-03-14 GB GB1223273A patent/GB1430481A/en not_active Expired
- 1973-03-15 IT IT21629/73A patent/IT981410B/en active
- 1973-03-16 DD DD169505A patent/DD104501A1/xx unknown
- 1973-03-19 DE DE2313603A patent/DE2313603C2/en not_active Expired
- 1973-03-19 CA CA166,613A patent/CA988451A/en not_active Expired
- 1973-03-20 NL NL7303911A patent/NL7303911A/xx not_active Application Discontinuation
- 1973-03-20 US US343108A patent/US3884769A/en not_active Expired - Lifetime
- 1973-03-20 JP JP3250973A patent/JPS5632971B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE796434A (en) | 1973-09-10 |
JPS495925A (en) | 1974-01-19 |
FR2176488B1 (en) | 1975-03-21 |
GB1430481A (en) | 1976-03-31 |
JPS5632971B2 (en) | 1981-07-31 |
DE2313603C2 (en) | 1982-04-15 |
DD104501A1 (en) | 1974-03-12 |
CA988451A (en) | 1976-05-04 |
US3884769A (en) | 1975-05-20 |
FR2176488A1 (en) | 1973-11-02 |
NL7303911A (en) | 1973-09-24 |
DE2313603A1 (en) | 1973-09-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT981410B (en) | PROCEDURE FOR PURIFICATION OF BENZOL AND TOLUOL BY EXTRACTIVE AZEOTROPIC DISTILLATION | |
IT1106625B (en) | PURIFICATION OF PROPYLENE OXIDE BY EXTRACTIVE DISTILLATION | |
BR7405051D0 (en) | INTIMATE COMPOSITION OF COPOLIMERS | |
IT995086B (en) | MONOACETALS OF 1 2 AROMATIC DICETONES | |
IT1002486B (en) | PROCEDURE FOR DRY DISTILLATION OF RUBBER | |
NO136357C (en) | USE OF BINAFTHYLPHOSPHIC ACID OPTISISOMERS FOR SEPARATION OF BASIC ISOMERS | |
SE414316B (en) | PROCEDURE FOR SWITCHING OF STEEL MELTOR | |
SE394373B (en) | PROCEDURE FOR DISTILLATION OF VETSKOR | |
IT1041795B (en) | AZEOTROPIC NITRATION OF BENZENE | |
FI55985B (en) | PROCEDURE FOR FRAMSTATION OF AV 2- (6-METHOXY-2-NAPHTHYL) PROPIONYRA | |
IT994984B (en) | PREPARATION OF ORGANIC DINITRILS | |
IT1014415B (en) | PURIFICATION OF CRUDE MALEIC DIOXIDE | |
IT987360B (en) | PANEL FOR CONSTRUCTIONS OF ALL KINDS | |
IT1001825B (en) | PROCESS OF PREPARATION OF AROMATIC COMPOUNDS | |
IT1021149B (en) | CONSTRUCTION OF TABLE FOR TIRASSEGNO | |
IT967460B (en) | DISTILLATION OF ETHYLENICALLY UNSATURATED COMPOUNDS READY-RIZZABILE | |
IT1025092B (en) | ARRANGEMENT OF RACLA | |
IT985808B (en) | PURIFICATION OF PRO PYLENE OXIDE BY DISTILLATION | |
IT1104724B (en) | RECOVERY OF ALCHYLENE GLYCOLS BY AZEOTROPIC DISTILLATION | |
IT1000630B (en) | DISCLAIMER OF WARRANTY FOR RI CONTENT | |
IT990733B (en) | HYDROXYLATION OF AROMATIC COMPOUNDS | |
IT987121B (en) | HYDROXYLATION OF AROMATIC COMPOUNDS | |
BR7409542A (en) | SET OF MULTIPLE SECOES TELESCOPIC BOATS | |
IT1006358B (en) | PROCEDURE FOR SEPARATION OF AROMATIC HYDROCARBONS BY EXTRACTIVE DISTILLATION | |
IT997736B (en) | PROCEDURE FOR THE PARTIAL DRYING AND SEPARATION OF HYDROCARBON BY FRACTIONAL DISTILLATION |