CA988451A - Benzene and toluene purification process by azeotropic extractive distillation - Google Patents

Benzene and toluene purification process by azeotropic extractive distillation

Info

Publication number
CA988451A
CA988451A CA166,613A CA166613A CA988451A CA 988451 A CA988451 A CA 988451A CA 166613 A CA166613 A CA 166613A CA 988451 A CA988451 A CA 988451A
Authority
CA
Canada
Prior art keywords
benzene
purification process
extractive distillation
toluene purification
azeotropic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA166,613A
Other languages
French (fr)
Other versions
CA166613S (en
Inventor
Paul Mikitenko
Georges Cohen
Lionel Asselineau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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 IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Application granted granted Critical
Publication of CA988451A publication Critical patent/CA988451A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING 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
    • C10G21/00Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00Purification; Separation; Use of additives
    • C07C7/04Purification; Separation; Use of additives by distillation
    • C07C7/05Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
    • C07C7/08Purification; 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)
CA166,613A 1972-03-20 1973-03-19 Benzene and toluene purification process by azeotropic extractive distillation Expired CA988451A (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
CA988451A true CA988451A (en) 1976-05-04

Family

ID=9095539

Family Applications (1)

Application Number Title Priority Date Filing Date
CA166,613A Expired CA988451A (en) 1972-03-20 1973-03-19 Benzene and toluene purification process by azeotropic extractive 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
DD133937A1 (en) * 1977-03-08 1979-01-31 Inst Francais Du Petrole METHOD FOR CLEANING BENZENE AND TOLUOL BY AZEOTROPE EXTRACTIVE 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
CN104718276B (en) * 2012-08-09 2017-08-25 科学工业研究委员会 Method for preparing poor benzoline by reclaiming high-purity benzene from the unprocessed cracked naphtha containing organic peroxide
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
DE2313603A1 (en) 1973-09-27
FR2176488B1 (en) 1975-03-21
FR2176488A1 (en) 1973-11-02
DE2313603C2 (en) 1982-04-15
IT981410B (en) 1974-10-10
DD104501A1 (en) 1974-03-12
NL7303911A (en) 1973-09-24
JPS5632971B2 (en) 1981-07-31
GB1430481A (en) 1976-03-31
JPS495925A (en) 1974-01-19
US3884769A (en) 1975-05-20
BE796434A (en) 1973-09-10

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