CA2202858A1 - Selective para-xylene production by toluene methylation - Google Patents

Selective para-xylene production by toluene methylation

Info

Publication number
CA2202858A1
CA2202858A1 CA002202858A CA2202858A CA2202858A1 CA 2202858 A1 CA2202858 A1 CA 2202858A1 CA 002202858 A CA002202858 A CA 002202858A CA 2202858 A CA2202858 A CA 2202858A CA 2202858 A1 CA2202858 A1 CA 2202858A1
Authority
CA
Canada
Prior art keywords
catalyst
weight percent
toluene
xylene
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.)
Abandoned
Application number
CA002202858A
Other languages
English (en)
French (fr)
Inventor
Sadi Mizrahi
Robert Adams Ware
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
Individual
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 Individual filed Critical Individual
Publication of CA2202858A1 publication Critical patent/CA2202858A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/86—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
    • C07C2/862—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms
    • C07C2/865—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms the non-hydrocarbon is an ether
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
    • C07C15/02—Monocyclic hydrocarbons
    • C07C15/067—C8H10 hydrocarbons
    • C07C15/08—Xylenes
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/54—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring
    • C07C2/64—Addition to a carbon atom of a six-membered aromatic ring
    • C07C2/66—Catalytic processes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/86—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
    • C07C2/861—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only halogen as hetero-atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/86—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
    • C07C2/862—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms
    • C07C2/864—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms the non-hydrocarbon is an alcohol
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/86—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
    • C07C2/868—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains sulfur as hetero-atom
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30—After treatment, characterised by the means used
    • B01J2229/36—Steaming
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2529/00—Catalysts comprising molecular sieves
    • C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
    • C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • C07C2529/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
CA002202858A 1994-11-10 1995-11-09 Selective para-xylene production by toluene methylation Abandoned CA2202858A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33769394A 1994-11-10 1994-11-10
US337,693 1994-11-10

Publications (1)

Publication Number Publication Date
CA2202858A1 true CA2202858A1 (en) 1996-05-23

Family

ID=23321607

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002202858A Abandoned CA2202858A1 (en) 1994-11-10 1995-11-09 Selective para-xylene production by toluene methylation

Country Status (6)

Country Link
JP (1) JPH10508854A (enExample)
KR (1) KR970707061A (enExample)
AU (1) AU4107596A (enExample)
CA (1) CA2202858A1 (enExample)
TW (1) TW318822B (enExample)
WO (1) WO1996015083A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040097769A1 (en) 2002-11-14 2004-05-20 Ou John D. Y. Para-xylene production process employing in-situ catalyst selectivation
US7368410B2 (en) * 2005-08-03 2008-05-06 Saudi Basic Industries Corporation Zeolite catalyst and method of preparing and use of zeolite catalyst
US8115041B2 (en) * 2008-04-02 2012-02-14 Saudi Basic Industries Corporation Pretreatment of a phosphorus-modified zeolite catalyst for an aromatic alkylation process
US8344197B2 (en) * 2009-10-21 2013-01-01 Exxonmobil Chemical Patents Inc. Production of para-xylene by the methylation of benzene and/or toluene
US20110137099A1 (en) * 2009-12-08 2011-06-09 Saudi Basic Industries Corporation Aromatic alkylation process
CN110035987B (zh) * 2016-10-06 2022-04-19 埃克森美孚化学专利公司 通过苯和/或甲苯的甲基化生产对二甲苯的方法
JP6899430B2 (ja) * 2016-10-06 2021-07-07 エクソンモービル・ケミカル・パテンツ・インク 芳香族炭化水素をメチル化するプロセス
US11084767B1 (en) 2020-02-18 2021-08-10 Uop Llc Toluene disproportionation using an enhanced UZM-44 aluminosilicate zeolite

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001346A (en) * 1975-01-06 1977-01-04 Mobil Oil Corporation Selective production of para-xylene
US3965207A (en) * 1975-01-06 1976-06-22 Mobil Oil Corporation Selective production of para-xylene
US4128592A (en) * 1977-11-23 1978-12-05 Mobil Oil Corporation Selective production of para dialkyl benzene
US4384155A (en) * 1980-04-11 1983-05-17 Mobil Oil Corporation Shape selective reactions with cadmium-modified zeolite catalysts
US4380685A (en) * 1980-05-19 1983-04-19 Mobil Oil Corporation Shape selective reactions with zeolite catalysts modified with iron and/or cobalt
US4365104A (en) * 1981-06-26 1982-12-21 Mobil Oil Corporation Para-selective zeolite catalysts treated with sulfur compounds
US5043502A (en) * 1990-03-16 1991-08-27 Uop Production of xylenes from light aliphatic hydrocarbons via dehydrocyclodimerization and methylation

Also Published As

Publication number Publication date
KR970707061A (ko) 1997-12-01
TW318822B (enExample) 1997-11-01
AU4107596A (en) 1996-06-06
JPH10508854A (ja) 1998-09-02
WO1996015083A1 (en) 1996-05-23

Similar Documents

Publication Publication Date Title
US6504072B1 (en) Selective para-xylene production by toluene methylation
CA2267915C (en) Selective para-xylene production by toluene methylation
US5227558A (en) Aromatic alkylation process employing steam modified zeolite beta catalyst
US5939597A (en) Fluid bed process for para-xylene production
US5030786A (en) Liquid phase aromatic conversion process
CN1105093C (zh) 制备烷基化苯的方法
US4554260A (en) Two stage process for improving the catalyst life of zeolites in the synthesis of lower olefins from alcohols and their ether derivatives
US4638106A (en) Two stage process for improving the catalyst life of zeolites in the synthesis of lower olefins from alcohols and their ether derivatives
US7060864B2 (en) Toluene methylation process
US5675047A (en) Method of preparation of ex situ selectivated zeolite catalysts for aromatic alkylation applications
EP2271603B1 (en) Pretreatment of a phosphorus-modified zeolite catalyst for an aromatic alkylation
CN101184710B (zh) 磷改性沸石催化剂的水热处理
US8653315B2 (en) Multiple zeolite catalyst and method of using the same for toluene disproportionation
US8062987B2 (en) Phosphorus-containing zeolite catalysts and their method of preparation
EP0823888A1 (en) Process of preparing ethylbenzene or substituted derivatives thereof
US7326818B2 (en) Selectivation of molecular sieve catalysts and use therof in hydrocarbon conversion
AU4107596A (en) Selective para-xylene production by toluene methylation
CA1182800A (en) Treatment of zeolite catalysts to enhance para- selectivity
US7019186B2 (en) Process for the preparation of 2,6-dimethylnaphthalene
CA1281746C (en) Direct catalytic alkylation of mononuclear aromatics with lower alkanes

Legal Events

Date Code Title Description
FZDE Dead