IT981410B - PROCEDURE FOR PURIFICATION OF BENZOL AND TOLUOL BY EXTRACTIVE AZEOTROPIC DISTILLATION - Google Patents

PROCEDURE FOR PURIFICATION OF BENZOL AND TOLUOL BY EXTRACTIVE AZEOTROPIC DISTILLATION

Info

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
Application number
IT21629/73A
Other languages
Italian (it)
Inventor
G Cohen
L Asselineau
P Mikitenko
Original Assignee
Inst Francais Du Petrole
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inst Francais Du Petrole filed Critical Inst Francais Du Petrole
Application granted granted Critical
Publication of IT981410B publication Critical patent/IT981410B/en

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)
IT21629/73A 1972-03-20 1973-03-15 PROCEDURE FOR PURIFICATION OF BENZOL AND TOLUOL BY EXTRACTIVE AZEOTROPIC DISTILLATION IT981410B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

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