DE69803531D1 - Niederdruck-hydroxydealkylierung von ethylbenzol und xylol-isomerisierung - Google Patents

Niederdruck-hydroxydealkylierung von ethylbenzol und xylol-isomerisierung

Info

Publication number
DE69803531D1
DE69803531D1 DE69803531T DE69803531T DE69803531D1 DE 69803531 D1 DE69803531 D1 DE 69803531D1 DE 69803531 T DE69803531 T DE 69803531T DE 69803531 T DE69803531 T DE 69803531T DE 69803531 D1 DE69803531 D1 DE 69803531D1
Authority
DE
Germany
Prior art keywords
hydroxydealkylation
ethylbenzol
low pressure
xylol
isomerization
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.)
Revoked
Application number
DE69803531T
Other languages
English (en)
Other versions
DE69803531T2 (de
Inventor
J Nacamuli
F Vogel
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.)
Chevron Phillips Chemical Co LP
Original Assignee
Chevron Chemical Co LLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25261776&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69803531(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Chevron Chemical Co LLC filed Critical Chevron Chemical Co LLC
Publication of DE69803531D1 publication Critical patent/DE69803531D1/de
Application granted granted Critical
Publication of DE69803531T2 publication Critical patent/DE69803531T2/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
    • C07C4/08—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule
    • C07C4/12—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene
    • C07C4/14—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene splitting taking place at an aromatic-aliphatic bond
    • C07C4/18—Catalytic processes
    • 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
    • C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/10—Magnesium; Oxides or hydroxides thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
    • C07C2523/42—Platinum
    • 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
    • C07C2529/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11 containing iron group metals, noble metals or copper
    • C07C2529/44—Noble metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE69803531T 1997-04-02 1998-03-23 Niederdruck-hydroxydealkylierung von ethylbenzol und xylol-isomerisierung Revoked DE69803531T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/832,480 US5877374A (en) 1997-04-02 1997-04-02 Low pressure hydrodealkylation of ethylbenzene and xylene isomerization
PCT/US1998/005772 WO1998043932A1 (en) 1997-04-02 1998-03-23 Low pressure hydrodealkylation of ethylbenzene and xylene isomerization

Publications (2)

Publication Number Publication Date
DE69803531D1 true DE69803531D1 (de) 2002-03-14
DE69803531T2 DE69803531T2 (de) 2002-09-19

Family

ID=25261776

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69803531T Revoked DE69803531T2 (de) 1997-04-02 1998-03-23 Niederdruck-hydroxydealkylierung von ethylbenzol und xylol-isomerisierung

Country Status (7)

Country Link
US (1) US5877374A (de)
EP (1) EP0909266B1 (de)
AU (1) AU6771298A (de)
CA (1) CA2283724A1 (de)
DE (1) DE69803531T2 (de)
TW (1) TW412518B (de)
WO (1) WO1998043932A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6051744A (en) * 1998-12-17 2000-04-18 Chevron Chemical Company Llc Low pressure hydrodealkylation of ethylbenzene and xylene isomerization
JP2005224793A (ja) * 2003-07-08 2005-08-25 Toray Ind Inc エチルベンゼン含有キシレン類の変換触媒およびその触媒を用いたエチルベンゼン含有キシレン類の変換方法
TWI263630B (en) * 2003-07-08 2006-10-11 Toray Industries Conversion catalyst for ethylbenzene containing xylenes and process for converting ethylbenzene containing xylenes by using catalyst
ITMI20040077A1 (it) * 2004-01-22 2004-04-22 Polimeri Europa Spa Procedimento per la idrodealchilazione catalitica di idrocarburi alchilaromatici
ITMI20061548A1 (it) * 2006-08-03 2008-02-04 Polimeri Europa Spa Composizioni catalitiche per idrodealchilazioni altamente selettive di idrocarburi alchilaromatici
KR101470623B1 (ko) * 2006-11-17 2014-12-12 에스케이이노베이션 주식회사 자일렌 이성화 촉매 및 그 제조방법
US20080146859A1 (en) * 2006-12-18 2008-06-19 Rekoske James E Selective Aromatics Isomerization Process
US7687674B2 (en) 2006-12-28 2010-03-30 Uop Llc Low temperature process for recovering and producing para-xylene and heat exchange network therefore
US7851664B2 (en) * 2007-12-19 2010-12-14 Chevron Phillips Chemical Company Lp Methods of isomerizing xylenes with a catalyst reduced in the presence of hydrogen and a base
US8022263B2 (en) 2008-11-19 2011-09-20 Uop Llc Selective aromatics isomerization process
SG184411A1 (en) 2010-04-21 2012-11-29 Exxonmobil Chem Patents Inc Xylenes isomerization process and catalyst therefor
US20160039726A1 (en) * 2013-03-15 2016-02-11 Bp Corporation North America Inc. Boroaluminosilicate Molecular Sieves and Methods for Using Same for Xylene Isomerization
US9815754B2 (en) * 2014-08-29 2017-11-14 Uop Llc Transalkylation/disproportionation or thermal hydrodealkylation hydrocarbon processing methods and systems employing an increased ethylbenzene feed content
FR3090633B1 (fr) * 2018-12-19 2021-01-01 Ifp Energies Now Couplage unité d’extraction d’aromatiques substitués en méthyles et unité d'hydrogénolyse d'alkyle-aromatiques

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4159282A (en) * 1978-06-09 1979-06-26 Mobil Oil Corporation Xylene isomerization
JPS55129232A (en) * 1979-03-29 1980-10-06 Teijin Yuka Kk Isomerization of xylenes
US4236996A (en) * 1979-05-25 1980-12-02 Mobil Oil Corporation Xylene isomerization
US4482773A (en) * 1982-02-25 1984-11-13 Mobil Oil Corporation Catalyst for xylene isomerization
US4467129A (en) * 1982-11-24 1984-08-21 Toray Industries, Inc. Conversion of xylenes containing ethylbenzene
US4694114A (en) * 1984-01-11 1987-09-15 Mobil Oil Corporation Process for isomerizing alkyl aromatic hydrocarbons utilizing ZSM-23 zeolite and a hydrogenation/dehydrogenation metal
US4584423A (en) * 1984-07-30 1986-04-22 Chevron Research Company Xylene isomerization using a zeolite with a group II metal

Also Published As

Publication number Publication date
TW412518B (en) 2000-11-21
AU6771298A (en) 1998-10-22
EP0909266B1 (de) 2002-01-23
WO1998043932A1 (en) 1998-10-08
US5877374A (en) 1999-03-02
DE69803531T2 (de) 2002-09-19
CA2283724A1 (en) 1998-10-08
EP0909266A1 (de) 1999-04-21

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8380 Miscellaneous part iii

Free format text: DER INHABER IST ZU AENDERN IN: CHEVRON PHILLIPS CHEMICAL CO. LP, HOUSTON, TEX., US

8331 Complete revocation