IT1094190B - BENZENE AND TOLUENE PURIFICATION PROCESS FOR AZEOTROPIC-EXTRACTIVE DISTILLATION - Google Patents

BENZENE AND TOLUENE PURIFICATION PROCESS FOR AZEOTROPIC-EXTRACTIVE DISTILLATION

Info

Publication number
IT1094190B
IT1094190B IT20931/78A IT2093178A IT1094190B IT 1094190 B IT1094190 B IT 1094190B IT 20931/78 A IT20931/78 A IT 20931/78A IT 2093178 A IT2093178 A IT 2093178A IT 1094190 B IT1094190 B IT 1094190B
Authority
IT
Italy
Prior art keywords
azeotropic
benzene
purification process
extractive distillation
toluene purification
Prior art date
Application number
IT20931/78A
Other languages
Italian (it)
Other versions
IT7820931A0 (en
Inventor
Paul Mikitenko
Lionel Asselineua
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
Priority claimed from FR7707242A external-priority patent/FR2383148A2/en
Priority claimed from FR7720242A external-priority patent/FR2395974A1/en
Application filed by Inst Francais Du Petrole filed Critical Inst Francais Du Petrole
Publication of IT7820931A0 publication Critical patent/IT7820931A0/en
Application granted granted Critical
Publication of IT1094190B publication Critical patent/IT1094190B/en

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT20931/78A 1977-03-08 1978-03-07 BENZENE AND TOLUENE PURIFICATION PROCESS FOR AZEOTROPIC-EXTRACTIVE DISTILLATION IT1094190B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7707242A FR2383148A2 (en) 1977-03-08 1977-03-08 BENZENE AND TOLUENE PURIFICATION PROCESS BY AZEOTROPIC-EXTRACTIVE DISTILLATION
FR7720242A FR2395974A1 (en) 1977-06-28 1977-06-28 Benzene or toluene separation from mixts. - by azeotropic-extractive distillation using DMF as solvent giving reduced solvent loss

Publications (2)

Publication Number Publication Date
IT7820931A0 IT7820931A0 (en) 1978-03-07
IT1094190B true IT1094190B (en) 1985-07-26

Family

ID=26219898

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20931/78A IT1094190B (en) 1977-03-08 1978-03-07 BENZENE AND TOLUENE PURIFICATION PROCESS FOR AZEOTROPIC-EXTRACTIVE DISTILLATION

Country Status (7)

Country Link
JP (1) JPS53112820A (en)
CA (1) CA1118706A (en)
DD (1) DD133937A1 (en)
DE (1) DE2809985A1 (en)
GB (1) GB1556003A (en)
IT (1) IT1094190B (en)
NL (1) NL7802444A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2289475B (en) * 1994-05-20 1998-05-27 Exxon Research Engineering Co Separation of aromatics from mixtures of hydrocarbons
DE10238370A1 (en) * 2002-08-22 2004-03-04 Oxeno Olefinchemie Gmbh Process for the preparation of isobutene from technical methyl tert-butyl ether

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2022809A (en) * 1931-08-18 1935-12-03 Method fob fractionation control
US2684326A (en) * 1949-05-11 1954-07-20 Universal Oil Prod Co Fractionation control
US2742411A (en) * 1951-09-13 1956-04-17 Exxon Research Engineering Co Recovery of furfural in extractive distillation purification of cyclic hydrocarbons
FR2176488B1 (en) * 1972-03-20 1975-03-21 Inst Francais Du Petrole

Also Published As

Publication number Publication date
DE2809985A1 (en) 1978-09-14
GB1556003A (en) 1979-11-14
NL7802444A (en) 1978-09-12
DD133937A1 (en) 1979-01-31
JPS53112820A (en) 1978-10-02
CA1118706A (en) 1982-02-23
IT7820931A0 (en) 1978-03-07
JPS627174B2 (en) 1987-02-16

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970326