CA964675A - Separation of aromatic mixtures - Google Patents

Separation of aromatic mixtures

Info

Publication number
CA964675A
CA964675A CA141,400A CA141400A CA964675A CA 964675 A CA964675 A CA 964675A CA 141400 A CA141400 A CA 141400A CA 964675 A CA964675 A CA 964675A
Authority
CA
Canada
Prior art keywords
separation
aromatic mixtures
aromatic
mixtures
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
CA141,400A
Other languages
English (en)
Other versions
CA141400S (en
Inventor
Clyde C. Meyers (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.)
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
Application granted granted Critical
Publication of CA964675A publication Critical patent/CA964675A/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
    • 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
    • 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
    • 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
    • C07C5/2767—Changing the number of side-chains
    • C07C5/277—Catalytic processes
    • C07C5/2775—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (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)
CA141,400A 1971-06-25 1972-05-05 Separation of aromatic mixtures Expired CA964675A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15675771A 1971-06-25 1971-06-25

Publications (1)

Publication Number Publication Date
CA964675A true CA964675A (en) 1975-03-18

Family

ID=22560952

Family Applications (1)

Application Number Title Priority Date Filing Date
CA141,400A Expired CA964675A (en) 1971-06-25 1972-05-05 Separation of aromatic mixtures

Country Status (8)

Country Link
US (1) US3770841A (en:Method)
BE (1) BE785410A (en:Method)
CA (1) CA964675A (en:Method)
DE (1) DE2231246A1 (en:Method)
FR (1) FR2142999B1 (en:Method)
GB (1) GB1369925A (en:Method)
IT (1) IT961241B (en:Method)
NL (1) NL7208717A (en:Method)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855328A (en) * 1971-12-14 1974-12-17 Sun Research Development Isomerization and/or transalkylation and/or disproportionation of alkylnaphthalenes
US3894108A (en) * 1973-08-09 1975-07-08 Exxon Research Engineering Co High temperature liquid elution chromatography
US4039599A (en) * 1976-08-26 1977-08-02 Uop Inc. Xylene isomerization process
NL7801367A (nl) * 1978-02-07 1979-08-09 Shell Int Research Werkwijze voor de bereiding en afscheiding van p-xyleen.
US4181811A (en) * 1978-12-14 1980-01-01 Mobil Oil Corporation Selective reaction of 1,4-disubstituted aromatic compounds
JPH0662456B2 (ja) * 1987-10-05 1994-08-17 帝人株式会社 メタキシレンの製造法
US6489527B1 (en) * 1992-05-26 2002-12-03 John Di-Yi Ou Process for improving purity of para-xylene product
IT1262941B (it) * 1992-06-15 1996-07-22 Enichem Spa Procedimento per la separazione di miscele di idrocarburi c8 aromatici
US5516955A (en) * 1994-03-30 1996-05-14 Glitsch International, Inc. Catalytic distillation to produce orthoxylene and paraxylene
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
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
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
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
US9809509B2 (en) * 2015-12-15 2017-11-07 Exxonmobil Chemical Patents Inc. Process for xylenes isomerization
CN120004366B (zh) * 2025-04-18 2025-07-25 浙江九安检测科技有限公司 一种二噁英前处理过程中有机试剂的回收方法

Also Published As

Publication number Publication date
BE785410A (fr) 1972-12-27
FR2142999B1 (en:Method) 1977-04-01
GB1369925A (en) 1974-10-09
US3770841A (en) 1973-11-06
FR2142999A1 (en:Method) 1973-02-02
NL7208717A (en:Method) 1972-12-28
DE2231246A1 (de) 1973-01-11
IT961241B (it) 1973-12-10

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