GB1375909A - Recovery of isomers of xylene and of ethylbenzene from their mixtures - Google Patents

Recovery of isomers of xylene and of ethylbenzene from their mixtures

Info

Publication number
GB1375909A
GB1375909A GB1178072A GB1178072A GB1375909A GB 1375909 A GB1375909 A GB 1375909A GB 1178072 A GB1178072 A GB 1178072A GB 1178072 A GB1178072 A GB 1178072A GB 1375909 A GB1375909 A GB 1375909A
Authority
GB
United Kingdom
Prior art keywords
ethylbenzene
mixture
zeolite
orthoxylene
metaxylene
Prior art date
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
GB1178072A
Other languages
English (en)
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.)
Mobil Oil AS
Original Assignee
Mobil Oil AS
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 Mobil Oil AS filed Critical Mobil Oil AS
Publication of GB1375909A publication Critical patent/GB1375909A/en
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
    • C07C7/12—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
    • C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
    • C07C5/2702—Catalytic processes not covered by C07C5/2732 - C07C5/31; Catalytic processes covered by both C07C5/2732 and C07C5/277 simultaneously
    • C07C5/2708—Catalytic processes not covered by C07C5/2732 - C07C5/31; Catalytic processes covered by both C07C5/2732 and C07C5/277 simultaneously with crystalline alumino-silicates, e.g. molecular sieves
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
    • C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
    • C07C5/2729—Changing the branching point of an open chain or the point of substitution on a ring
    • C07C5/2732—Catalytic processes
    • C07C5/2737—Catalytic processes with crystalline alumino-silicates, e.g. molecular sieves
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1178072A 1971-04-14 1972-03-14 Recovery of isomers of xylene and of ethylbenzene from their mixtures Expired GB1375909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13392971A 1971-04-14 1971-04-14

Publications (1)

Publication Number Publication Date
GB1375909A true GB1375909A (en) 1974-12-04

Family

ID=22460957

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1178072A Expired GB1375909A (en) 1971-04-14 1972-03-14 Recovery of isomers of xylene and of ethylbenzene from their mixtures

Country Status (8)

Country Link
US (1) US3729523A (https=)
BE (1) BE782075A (https=)
CA (1) CA973504A (https=)
DE (1) DE2218139A1 (https=)
FR (1) FR2133650B1 (https=)
GB (1) GB1375909A (https=)
IT (1) IT953643B (https=)
NL (1) NL7204913A (https=)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200454B (https=) * 1991-09-05 1993-02-21 Inst Of France Petroleum
IT1262941B (it) * 1992-06-15 1996-07-22 Enichem Spa Procedimento per la separazione di miscele di idrocarburi c8 aromatici
US5329060A (en) * 1993-04-01 1994-07-12 Uop Integrated selective adsorption and crystallization process for para-xylene recovery
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
FR2728893A1 (fr) * 1994-12-29 1996-07-05 Inst Francais Du Petrole Procede de separation de paraxylene comportant au moins un etage de cristallisation a haute temperature et au moins un traitement a la terre situe en amont de la zone d'adsorption
FR2739375B1 (fr) * 1995-09-29 1997-12-05 Inst Francais Du Petrole Production de paraxylene a partir d'un effluent de dismutation paraselective du toluene par un procede de cristallisation associe a une adsorption en lit mobile simule
US6518472B1 (en) 1996-08-05 2003-02-11 Bp Corporation North America Inc. Stabilized dual bed xylene isomerization catalyst system
US6878855B2 (en) * 2000-02-22 2005-04-12 Exxonmobil Chemical Patents Inc. Process for producing para-xylene
US6627783B2 (en) 2000-07-10 2003-09-30 Bp Corporation North America Inc. Pressure swing adsorption process for separating para-xylene and ethylbenzene from mixed C8 aromatics
TWI240716B (en) 2000-07-10 2005-10-01 Bp Corp North America Inc Pressure swing adsorption process for separating paraxylene and ethylbenzene from mixed C8 aromatics
US6573418B2 (en) 2000-07-10 2003-06-03 Bp Corporation North America Inc. Process for production of para-xylene incorporating pressure swing adsorption and simulated moving bed adsorption
US7271305B2 (en) * 2003-05-01 2007-09-18 Bp Corporation North America Inc. Method of obtaining para-xylene
US7122496B2 (en) * 2003-05-01 2006-10-17 Bp Corporation North America Inc. Para-xylene selective adsorbent compositions and methods
WO2019113207A1 (en) * 2017-12-05 2019-06-13 Bp Corporation North America Inc. Method of recovering paraxylene from a mixture of aromatic hydrocarbons
CN112573985B (zh) * 2019-09-29 2023-04-07 中国石油化工股份有限公司 由c8芳烃生产对二甲苯和乙苯的方法
CN114874064A (zh) * 2022-03-22 2022-08-09 宁波中金石化有限公司 一种高产能的c8芳烃吸附分离方法

Also Published As

Publication number Publication date
CA973504A (en) 1975-08-26
US3729523A (en) 1973-04-24
DE2218139A1 (de) 1972-10-26
IT953643B (it) 1973-08-10
BE782075A (fr) 1972-10-13
FR2133650B1 (https=) 1974-09-13
NL7204913A (https=) 1972-10-17
FR2133650A1 (https=) 1972-12-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee