FR2195608B1 - - Google Patents

Info

Publication number
FR2195608B1
FR2195608B1 FR7329308A FR7329308A FR2195608B1 FR 2195608 B1 FR2195608 B1 FR 2195608B1 FR 7329308 A FR7329308 A FR 7329308A FR 7329308 A FR7329308 A FR 7329308A FR 2195608 B1 FR2195608 B1 FR 2195608B1
Authority
FR
France
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
FR7329308A
Other versions
FR2195608A1 (fr
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.)
Standard Oil Co
Original Assignee
Standard Oil Co
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 Standard Oil Co filed Critical Standard Oil Co
Publication of FR2195608A1 publication Critical patent/FR2195608A1/fr
Application granted granted Critical
Publication of FR2195608B1 publication Critical patent/FR2195608B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals
FR7329308A 1972-08-11 1973-08-10 Expired FR2195608B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00279854A US3825614A (en) 1972-08-11 1972-08-11 Recovery of meta-xylene by selective crystallization

Publications (2)

Publication Number Publication Date
FR2195608A1 FR2195608A1 (fr) 1974-03-08
FR2195608B1 true FR2195608B1 (fr) 1979-02-23

Family

ID=23070657

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7329308A Expired FR2195608B1 (fr) 1972-08-11 1973-08-10

Country Status (8)

Country Link
US (1) US3825614A (fr)
JP (1) JPS5238020B2 (fr)
BE (1) BE803511A (fr)
DE (1) DE2340696C2 (fr)
FR (1) FR2195608B1 (fr)
GB (1) GB1414215A (fr)
IT (1) IT990211B (fr)
NL (1) NL7310939A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5329061A (en) * 1993-06-01 1994-07-12 Uop Crystallization process for para-xylene recovery using two-stage recovery section
FR2728894A1 (fr) * 1994-12-29 1996-07-05 Inst Francais Du Petrole Procede de separation de paraxylene comportant au moins deux etages de cristallisation a haute temperature
AU4557499A (en) 1998-06-12 1999-12-30 Washington Group International Inc. Production of high purity meta-xylene
CN112679305B (zh) * 2019-10-18 2022-10-11 中国石油化工股份有限公司 对二甲苯的生产方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB687405A (en) * 1949-03-21 1953-02-11 Robert Reid Coats Improvements in and relating to the separation of xylenes by crystallization
US2622115A (en) * 1949-05-23 1952-12-16 Phillips Petroleum Co Separation of eutectic-forming mixtures by crystallization methods
DE881344C (de) * 1950-06-09 1953-08-10 Phillips Petroleum Co Verfahren und Vorrichtung zur Abtrennung und Reinigung mindestens einer der Komponenten eines fluessigen, mehrere Komponenten ent-haltenden organischen Gemisches
US2810772A (en) * 1953-12-07 1957-10-22 Exxon Research Engineering Co Process for production and recovery of paraxylene

Also Published As

Publication number Publication date
IT990211B (it) 1975-06-20
DE2340696A1 (de) 1974-03-07
FR2195608A1 (fr) 1974-03-08
GB1414215A (en) 1975-11-19
JPS5238020B2 (fr) 1977-09-27
JPS4985029A (fr) 1974-08-15
NL7310939A (fr) 1974-02-13
BE803511A (fr) 1974-02-11
US3825614A (en) 1974-07-23
DE2340696C2 (de) 1984-10-11

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Legal Events

Date Code Title Description
ST Notification of lapse