BE812814A - Procede de separation d'hydrocarbures aromatiques par distillation extractive - Google Patents

Procede de separation d'hydrocarbures aromatiques par distillation extractive

Info

Publication number
BE812814A
BE812814A BE1005828A BE1005828A BE812814A BE 812814 A BE812814 A BE 812814A BE 1005828 A BE1005828 A BE 1005828A BE 1005828 A BE1005828 A BE 1005828A BE 812814 A BE812814 A BE 812814A
Authority
BE
Belgium
Prior art keywords
separation
aromatic hydrocarbons
extractive distillation
extractive
distillation
Prior art date
Application number
BE1005828A
Other languages
English (en)
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 filed Critical
Publication of BE812814A publication Critical patent/BE812814A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/12—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/40—Extractive distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/005—Processes comprising at least two steps in series
    • 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
BE1005828A 1973-04-06 1974-03-26 Procede de separation d'hydrocarbures aromatiques par distillation extractive BE812814A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7312594A FR2224425B1 (fr) 1973-04-06 1973-04-06

Publications (1)

Publication Number Publication Date
BE812814A true BE812814A (fr) 1974-09-26

Family

ID=9117591

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1005828A BE812814A (fr) 1973-04-06 1974-03-26 Procede de separation d'hydrocarbures aromatiques par distillation extractive

Country Status (9)

Country Link
US (1) US3919078A (fr)
JP (1) JPS5030835A (fr)
BE (1) BE812814A (fr)
CH (1) CH590677A5 (fr)
DE (1) DE2416293C2 (fr)
FR (1) FR2224425B1 (fr)
GB (1) GB1441372A (fr)
IT (1) IT1006358B (fr)
NL (1) NL7404723A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4837338A (en) * 1986-06-16 1989-06-06 Exxon Research And Engineering Company Removal of impurities from n-methyl-pyrrolidone using highly pure water washed activated alumina
US5282960A (en) * 1991-10-02 1994-02-01 Exxon Research And Engineering Company Method for improving the demulsibility of base oils
US5538599A (en) * 1995-06-05 1996-07-23 Arco Chemical Technology, L.P. Phenol separation
US20060131240A1 (en) * 2004-12-16 2006-06-22 Romano Andrew R Process for treating solvents
CN102126914B (zh) * 2011-01-13 2013-03-13 中冶焦耐(大连)工程技术有限公司 一种粗苯加氢精制过程中的萃取蒸馏工艺

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2834822A (en) * 1958-05-13 Toluene
US2964465A (en) * 1958-11-28 1960-12-13 Standard Oil Co Adsorption-desorption process for the removal of minor amounts of solvent from the product streams of solventextracted naphthas
US3409691A (en) * 1966-02-01 1968-11-05 Dow Chemical Co Porous cation exchange resins as selective sorbents in organic systems
US3428553A (en) * 1966-02-03 1969-02-18 Chyn Duog Shiah Separating primary solvent with a secondary solvent
US3751507A (en) * 1971-07-12 1973-08-07 Rohm & Haas Adsorption process

Also Published As

Publication number Publication date
FR2224425B1 (fr) 1977-04-29
GB1441372A (en) 1976-06-30
JPS5030835A (fr) 1975-03-27
US3919078A (en) 1975-11-11
IT1006358B (it) 1976-09-30
NL7404723A (fr) 1974-10-08
DE2416293A1 (de) 1974-10-24
FR2224425A1 (fr) 1974-10-31
CH590677A5 (fr) 1977-08-15
DE2416293C2 (de) 1983-08-04

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: INSTITUT FRANCAIS DU PETROLE

Effective date: 19840326