IT990211B - Procedimento per la separazione selettiva di m xilolo da un miscuglio di xiloli - Google Patents

Procedimento per la separazione selettiva di m xilolo da un miscuglio di xiloli

Info

Publication number
IT990211B
IT990211B IT51954/73A IT5195473A IT990211B IT 990211 B IT990211 B IT 990211B IT 51954/73 A IT51954/73 A IT 51954/73A IT 5195473 A IT5195473 A IT 5195473A IT 990211 B IT990211 B IT 990211B
Authority
IT
Italy
Prior art keywords
xylol
procedure
mixture
selective separation
selective
Prior art date
Application number
IT51954/73A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT990211B publication Critical patent/IT990211B/it

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural 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)
IT51954/73A 1972-08-11 1973-08-09 Procedimento per la separazione selettiva di m xilolo da un miscuglio di xiloli IT990211B (it)

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 (1)

Publication Number Publication Date
IT990211B true IT990211B (it) 1975-06-20

Family

ID=23070657

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51954/73A IT990211B (it) 1972-08-11 1973-08-09 Procedimento per la separazione selettiva di m xilolo da un miscuglio di xiloli

Country Status (8)

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

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
JPS4985029A (it) 1974-08-15
NL7310939A (it) 1974-02-13
FR2195608B1 (it) 1979-02-23
DE2340696A1 (de) 1974-03-07
US3825614A (en) 1974-07-23
JPS5238020B2 (it) 1977-09-27
GB1414215A (en) 1975-11-19
DE2340696C2 (de) 1984-10-11
BE803511A (fr) 1974-02-11
FR2195608A1 (it) 1974-03-08

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