BE801755A - Separation des isomeres du dichlorobenzene par distillation extractive - Google Patents

Separation des isomeres du dichlorobenzene par distillation extractive

Info

Publication number
BE801755A
BE801755A BE132995A BE132995A BE801755A BE 801755 A BE801755 A BE 801755A BE 132995 A BE132995 A BE 132995A BE 132995 A BE132995 A BE 132995A BE 801755 A BE801755 A BE 801755A
Authority
BE
Belgium
Prior art keywords
dichlorobenzene
isomers
separation
extractive distillation
extractive
Prior art date
Application number
BE132995A
Other languages
English (en)
French (fr)
Original Assignee
Rhone Progil
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 Rhone Progil filed Critical Rhone Progil
Publication of BE801755A publication Critical patent/BE801755A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
    • C07C17/386—Separation; Purification; Stabilisation; Use of additives by distillation with auxiliary compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE132995A 1972-06-30 1973-06-29 Separation des isomeres du dichlorobenzene par distillation extractive BE801755A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7224576*A FR2190782B1 (xx) 1972-06-30 1972-06-30

Publications (1)

Publication Number Publication Date
BE801755A true BE801755A (fr) 1974-01-02

Family

ID=9101482

Family Applications (1)

Application Number Title Priority Date Filing Date
BE132995A BE801755A (fr) 1972-06-30 1973-06-29 Separation des isomeres du dichlorobenzene par distillation extractive

Country Status (11)

Country Link
US (1) US3847755A (xx)
JP (1) JPS522893B2 (xx)
BE (1) BE801755A (xx)
CA (1) CA980714A (xx)
DD (1) DD106344A5 (xx)
DE (1) DE2332889C3 (xx)
FR (1) FR2190782B1 (xx)
GB (1) GB1373325A (xx)
IT (1) IT996074B (xx)
NL (1) NL177745C (xx)
PL (1) PL93409B1 (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2706684A1 (de) * 1977-02-17 1978-08-24 Basf Ag Verfahren zur reindarstellung von dimethylcarbonat
US4569647A (en) * 1983-09-16 1986-02-11 Pelam, Inc. Apparatus for preparing and embedding tissue samples for histological examination
JPS6136234A (ja) * 1984-07-30 1986-02-20 Nitto Chem Ind Co Ltd ジクロルトルエンの製造方法
DE3613975A1 (de) * 1986-04-25 1987-10-29 Bayer Ag Trennung von diastereomeren
DE4011501A1 (de) * 1990-04-10 1991-10-17 Hoechst Ag Verfahren zur trennung von m- und p-dichlorbenzol
US5972172A (en) * 1996-12-23 1999-10-26 Berg; Lloyd Separation of 1,2,4-trimethylbenzene from 1,2,3-trimethylbenzene by extractive distillation
US5720857A (en) * 1997-01-02 1998-02-24 Berg; Lloyd Separation of 1,2,4-trimethylbenzene from 1,2,3-trimethylbenzene by azeotropic distillation
DE10251191A1 (de) 2002-11-04 2004-05-13 Bayer Ag Verfahren zur Trennung von m- und p-Dichlorbenzol enthaltenden Gemischen
CN113444028A (zh) * 2021-06-17 2021-09-28 江苏超跃化学有限公司 用于分离2,4-二氯甲苯和2,5-二氯甲苯的萃取剂及分离方法
CN113429258A (zh) * 2021-06-17 2021-09-24 江苏超跃化学有限公司 一种分离二氯甲苯混合物的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2123857A (en) * 1937-09-29 1938-07-12 Dow Chemical Co Manufacture of 1,3-dichloro-and 1, 3, 5-trichlorobenzenes
US2527606A (en) * 1946-07-24 1950-10-31 Koppers Co Inc Paradichlorobenzene
US2958708A (en) * 1959-03-23 1960-11-01 Union Oil Co Separation of isomeric halogenated aromatic compounds
US3226447A (en) * 1960-12-22 1965-12-28 Union Carbide Australia Directed nuclear substitution-chlorination of aromatic hydrocarbons and halogenated aromatic hydrocarbons
US3170961A (en) * 1961-02-24 1965-02-23 Dow Chemical Co Process for separating dichlorobenzene isomers
US3213155A (en) * 1961-05-19 1965-10-19 Exxon Research Engineering Co Monoolefin isomerization process
US3217050A (en) * 1961-06-07 1965-11-09 Exxon Research Engineering Co Alkali metal catalyzed conversion of organic compounds
JPS49803B1 (xx) * 1970-01-07 1974-01-10

Also Published As

Publication number Publication date
US3847755A (en) 1974-11-12
NL177745C (nl) 1985-11-18
PL93409B1 (xx) 1977-05-30
DE2332889A1 (de) 1974-01-17
IT996074B (it) 1975-12-10
CA980714A (en) 1975-12-30
NL177745B (nl) 1985-06-17
DE2332889C3 (de) 1975-09-25
JPS522893B2 (xx) 1977-01-25
GB1373325A (en) 1974-11-13
JPS5019722A (xx) 1975-03-01
FR2190782A1 (xx) 1974-02-01
NL7307347A (xx) 1974-01-02
DE2332889B2 (de) 1975-02-20
FR2190782B1 (xx) 1974-12-27
DD106344A5 (xx) 1974-06-12

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: RHONE PROGIL

Effective date: 19900630