CA1059928A - Separation d'isomeres aromatiques - Google Patents

Separation d'isomeres aromatiques

Info

Publication number
CA1059928A
CA1059928A CA185,091A CA185091A CA1059928A CA 1059928 A CA1059928 A CA 1059928A CA 185091 A CA185091 A CA 185091A CA 1059928 A CA1059928 A CA 1059928A
Authority
CA
Canada
Prior art keywords
xylene
meta
ortho
adsorption
para
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
CA185,091A
Other languages
English (en)
Other versions
CA185091S (en
Inventor
Paul T. Allen
Philip E. Keown
Clyde C. Meyers (Jr.)
Philip Grandio (Jr.)
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.)
ExxonMobil Oil Corp
Original Assignee
Mobil Oil Corp
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 Corp filed Critical Mobil Oil Corp
Application granted granted Critical
Publication of CA1059928A publication Critical patent/CA1059928A/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
    • C07C7/005—Processes comprising at least two steps in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/16—Alumino-silicates
    • B01J20/18—Synthetic zeolitic molecular sieves
    • B01J20/186—Chemical treatments in view of modifying the properties of the sieve, e.g. increasing the stability or the activity, also decreasing the activity
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
    • C01B33/28—Base exchange silicates, e.g. zeolites
    • C01B33/2807—Zeolitic silicoaluminates with a tridimensional crystalline structure possessing molecular sieve properties; Isomorphous compounds wherein a part of the aluminium ore of the silicon present may be replaced by other elements such as gallium, germanium, phosphorus; Preparation of zeolitic molecular sieves from molecular sieves of another type or from preformed reacting mixtures
    • C01B33/2876—Zeolitic silicoaluminates with a tridimensional crystalline structure possessing molecular sieve properties; Isomorphous compounds wherein a part of the aluminium ore of the silicon present may be replaced by other elements such as gallium, germanium, phosphorus; Preparation of zeolitic molecular sieves from molecular sieves of another type or from preformed reacting mixtures from a reacting mixture containing an amine or an organic cation, e.g. a quaternary onium cation-ammonium, phosphonium, stibonium
    • 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
    • C07C7/13—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
CA185,091A 1972-11-28 1973-11-06 Separation d'isomeres aromatiques Expired CA1059928A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31005472A 1972-11-28 1972-11-28

Publications (1)

Publication Number Publication Date
CA1059928A true CA1059928A (fr) 1979-08-07

Family

ID=23200805

Family Applications (1)

Application Number Title Priority Date Filing Date
CA185,091A Expired CA1059928A (fr) 1972-11-28 1973-11-06 Separation d'isomeres aromatiques

Country Status (8)

Country Link
JP (1) JPS5046631A (fr)
AU (1) AU6246673A (fr)
BE (1) BE807878A (fr)
CA (1) CA1059928A (fr)
DE (1) DE2359378A1 (fr)
GB (1) GB1420796A (fr)
IT (1) IT1001436B (fr)
NL (1) NL7316302A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7801367A (nl) * 1978-02-07 1979-08-09 Shell Int Research Werkwijze voor de bereiding en afscheiding van p-xyleen.
US4309281A (en) * 1979-12-19 1982-01-05 Mobil Oil Corporation Selective sorption by zeolites
US4899017A (en) * 1987-07-27 1990-02-06 Mobil Oil Corporation Process for the selective separation of para-xylene from C8 aromatic mixtures
FR2693187B1 (fr) * 1992-07-06 1994-09-30 Inst Francais Du Petrole Procédé de séparation du paraxylène dans des hydrocarbures aromatiques en C8 avec une adsorption à co-courant simulé et une cristallisation.
FR2693186B1 (fr) * 1992-07-06 1994-09-30 Inst Francais Du Petrole Procédé de séparation du paraxylène dans des hydrocarbures aromatiques en C8 avec une adsorption à contre-courant simulé et une cristallisation.
TW200454B (fr) * 1991-09-05 1993-02-21 Inst Of France Petroleum
FR2681066B1 (fr) * 1991-09-05 1994-09-30 Inst Francais Du Petrole Procede et dispositif de separation des paraxylenes dans une charge d'hydrocarbures aromatiques en c8.
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
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
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
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
US6565653B2 (en) 2001-05-08 2003-05-20 Bp Corporation North America Inc. Energy efficient process for producing high purity paraxylene
KR100799513B1 (ko) 2001-08-21 2008-01-31 더 스탠다드 오일 캄파니 아크릴로니트릴 제조에서 헤드 컬럼의 개선된 조작
US20040010170A1 (en) * 2002-01-09 2004-01-15 Vickers George H. Para-xylene and ethylbenzene separation from mixed C8 aromatics
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
US8500887B2 (en) 2010-03-25 2013-08-06 Exxonmobil Research And Engineering Company Method of protecting a solid adsorbent and a protected solid adsorbent

Also Published As

Publication number Publication date
DE2359378A1 (de) 1974-05-30
IT1001436B (it) 1976-04-20
BE807878A (fr) 1974-05-27
JPS5046631A (fr) 1975-04-25
GB1420796A (en) 1976-01-14
AU6246673A (en) 1975-05-15
NL7316302A (fr) 1974-05-30

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