ATE278653T1 - Verfahren zur herstellung von alkylaromaten - Google Patents

Verfahren zur herstellung von alkylaromaten

Info

Publication number
ATE278653T1
ATE278653T1 AT00928992T AT00928992T ATE278653T1 AT E278653 T1 ATE278653 T1 AT E278653T1 AT 00928992 T AT00928992 T AT 00928992T AT 00928992 T AT00928992 T AT 00928992T AT E278653 T1 ATE278653 T1 AT E278653T1
Authority
AT
Austria
Prior art keywords
aromatic compound
alkyl aromatics
producing alkyl
producing
mordenite
Prior art date
Application number
AT00928992T
Other languages
English (en)
Inventor
Wieslaw J Roth
Dominick N Mazzone
Brian J Ratigan
Original Assignee
Exxonmobil 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 Exxonmobil Oil Corp filed Critical Exxonmobil Oil Corp
Application granted granted Critical
Publication of ATE278653T1 publication Critical patent/ATE278653T1/de

Links

Classifications

    • 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
    • C07C15/085—Isopropylbenzene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C6/00—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions
    • C07C6/08—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond
    • C07C6/12—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond of exclusively hydrocarbons containing a six-membered aromatic ring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/20—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
    • B29C70/446—Moulding structures having an axis of symmetry or at least one channel, e.g. tubular structures, frames
    • 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
    • C07C15/073—Ethylbenzene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C6/00—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions
    • C07C6/08—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond
    • C07C6/12—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond of exclusively hydrocarbons containing a six-membered aromatic ring
    • C07C6/126—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond of exclusively hydrocarbons containing a six-membered aromatic ring of more than one hydrocarbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/079—Auxiliary parts or inserts
    • B29C2949/08—Preforms made of several individual parts, e.g. by welding or gluing parts together
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06905—Using combined techniques for making the preform
    • B29C49/0691—Using combined techniques for making the preform using sheet like material, e.g. sheet blow-moulding from joined sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/44—Component parts, details or accessories; Auxiliary operations for applying pressure through the walls of an inflated bag
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/253—Preform
    • B29K2105/258—Tubular
    • 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
    • C07C2529/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
    • 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
    • C07C2529/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups C07C2529/08 - C07C2529/65
    • 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)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Fats And Perfumes (AREA)
AT00928992T 1999-05-04 2000-05-02 Verfahren zur herstellung von alkylaromaten ATE278653T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/305,019 US6984764B1 (en) 1999-05-04 1999-05-04 Alkylaromatics production
PCT/US2000/040045 WO2000066520A1 (en) 1999-05-04 2000-05-02 Alkylaromatics production

Publications (1)

Publication Number Publication Date
ATE278653T1 true ATE278653T1 (de) 2004-10-15

Family

ID=23178958

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00928992T ATE278653T1 (de) 1999-05-04 2000-05-02 Verfahren zur herstellung von alkylaromaten

Country Status (17)

Country Link
US (1) US6984764B1 (de)
EP (1) EP1173398B1 (de)
JP (1) JP4892135B2 (de)
KR (1) KR100683351B1 (de)
CN (1) CN1162379C (de)
AT (1) ATE278653T1 (de)
AU (1) AU4714400A (de)
BR (1) BR0010253A (de)
CA (1) CA2373113C (de)
CZ (1) CZ20013946A3 (de)
DE (1) DE60014622T2 (de)
ES (1) ES2230106T3 (de)
FI (1) FI20012121A (de)
MX (1) MXPA01011139A (de)
MY (1) MY133208A (de)
TW (1) TW538033B (de)
WO (1) WO2000066520A1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6936744B1 (en) * 2000-07-19 2005-08-30 Exxonmobil Chemical Patents, Inc. Alkylaromatics production
US20020042548A1 (en) * 2001-07-11 2002-04-11 Dandekar Ajit B. Process for producing cumene
ITMI20041289A1 (it) * 2004-06-25 2004-09-25 Enitecnologie Spa Catalizzatore e processo per la preparazione di idrocarburi aromatici alchilati
TW200744985A (en) * 2006-02-14 2007-12-16 Exxonmobil Chemical Patents Inc Process for producing sec-butylbenzene
US20090286670A1 (en) 2006-05-08 2009-11-19 Clark Michael C Catalyst Composition
JP5647787B2 (ja) * 2006-05-08 2015-01-07 エクソンモービル・ケミカル・パテンツ・インク 有機化合物変換方法
US20080033222A1 (en) * 2006-05-24 2008-02-07 Clark Michael C Process and apparatus for preparing ethylbenzene using vapor phase alkylation and liquid phase transalkylation
JP5305465B2 (ja) * 2007-02-09 2013-10-02 エクソンモービル・ケミカル・パテンツ・インク 改良されたアルキル芳香族の生産プロセス
US7790940B2 (en) * 2007-06-21 2010-09-07 Exxonmobil Chemical Patents Inc. Liquid phase alkylation process
US8816145B2 (en) 2007-06-21 2014-08-26 Exxonmobil Chemical Patents Inc. Liquid phase alkylation process
US7687423B2 (en) * 2008-06-26 2010-03-30 Uop Llc Selective catalyst for aromatics conversion
US7626064B1 (en) 2008-06-26 2009-12-01 Uop Llc Transalkylation process
ES2707850T3 (es) 2008-07-28 2019-04-05 Exxonmobil Chemical Patents Inc Una nueva composición de tamiz molecular EEM-13 y un procedimiento de uso del mismo
US8704025B2 (en) * 2008-07-28 2014-04-22 Exxonmobil Chemical Patents Inc. Molecular sieve composition EMM-12, a method of making and a process of using the same
WO2010014402A1 (en) * 2008-07-28 2010-02-04 Exxonmobil Chemical Patents Inc. Hydroalkylation of aromatic compounds using emm-12
EP2321222B1 (de) 2008-07-28 2019-01-02 ExxonMobil Chemical Patents Inc. Neue molsiebzusammensetzung emm-12 und verfahren zu ihrer verwendung
WO2010014404A1 (en) * 2008-07-28 2010-02-04 Exxonmobil Chemical Patents Inc. Process of making alkylaromatics using emm-13
KR101247894B1 (ko) * 2008-07-28 2013-03-26 엑손모빌 케미칼 패턴츠 인코포레이티드 신규한 ｅｍｍ-13 분자체 조성물, 이의 제조 방법 및 이를 사용하는 방법
US8168843B2 (en) * 2008-08-20 2012-05-01 Catalytic Distillation Technologies Reformate benzene reduction via transalkylation
EP2322972A1 (de) * 2009-11-12 2011-05-18 Johnson Controls Technology Company Anzeigevorrichtung, insbesondere für Kraftfahrzeug
IT1397885B1 (it) 2009-12-23 2013-02-04 Polimeri Europa Spa Processo per preparare etilbenzene.
KR20150030261A (ko) 2010-05-20 2015-03-19 엑손모빌 케미칼 패턴츠 인코포레이티드 개선된 알킬화 공정
RU2563461C2 (ru) 2010-08-30 2015-09-20 Эксонмобил Кемикэл Пейтентс Инк. Улучшенный способ алкилирования
CN103180042B (zh) 2010-10-15 2015-07-22 埃克森美孚化学专利公司 选择改进的催化剂组合物和使用所述催化剂组合物的烃转化方法
US8481794B2 (en) 2011-05-09 2013-07-09 Uop Llc Methods and apparatuses for producing ethylbenzene
CA2846159C (en) 2011-09-16 2019-07-02 Exxonmobil Chemical Patents Inc. Improved mcm-56 manufacture
KR101701578B1 (ko) 2011-09-16 2017-02-01 엑손모빌 케미칼 패턴츠 인코포레이티드 개선된 액체상 알킬화 방법
CN104276922A (zh) * 2013-07-09 2015-01-14 中国石油化工股份有限公司 液相烷基转移生产乙苯的方法
US10017394B2 (en) * 2015-02-04 2018-07-10 Exxonmobil Chemical Patents Inc. Process for preparing a molecular sieve
US10118165B2 (en) 2015-02-04 2018-11-06 Exxonmobil Chemical Patents Inc. Catalyst compositions and use in heavy aromatics conversion processes
US10053403B2 (en) 2015-02-04 2018-08-21 Exxonmobil Chemical Patents Inc. Catalyst compositions and their use in transalkylation of heavy aromatics to xylenes
CN110337328B (zh) * 2017-02-28 2022-05-06 埃克森美孚化学专利公司 催化剂组合物及其用于芳族化合物烷基化方法的用途

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766093A (en) 1972-01-07 1973-10-16 Mobil Oil Corp Treatment of organic cationcontaining zeolites
US3751504A (en) 1972-05-12 1973-08-07 Mobil Oil Corp Vapor-phase alkylation in presence of crystalline aluminosilicate catalyst with separate transalkylation
US3894104A (en) 1973-08-09 1975-07-08 Mobil Oil Corp Aromatization of hetero-atom substituted hydrocarbons
US4016218A (en) 1975-05-29 1977-04-05 Mobil Oil Corporation Alkylation in presence of thermally modified crystalline aluminosilicate catalyst
DE2558035A1 (de) 1975-12-22 1977-06-23 Mobil Oil Corp Kombiniertes verfahren zur katalytischen umwandlung und hydrodealkylierung von kohlenwasserstoffen
US4547605A (en) 1983-09-28 1985-10-15 Mobil Oil Corporation Catalyst for alkylation of aromatic hydrocarbons
EP0308097B1 (de) * 1987-09-02 1992-01-29 Mobil Oil Corporation Verfahren zur Transalkylierung von (polyalkyl)aromatischen Kohlenwasserstoffen
US5175135A (en) 1987-11-23 1992-12-29 The Dow Chemical Company Alkylation of aromatic compounds to alkylates enriched in the linear substituted isomers
US5243116A (en) 1987-11-23 1993-09-07 The Dow Chemical Company Alkylation of aromatic compounds
US4891458A (en) 1987-12-17 1990-01-02 Innes Robert A Liquid phase alkylation or transalkylation process using zeolite beta
US4992606A (en) 1988-10-06 1991-02-12 Mobil Oil Corp. Process for preparing short chain alkyl aromatic compounds
US5334795A (en) 1990-06-28 1994-08-02 Mobil Oil Corp. Production of ethylbenzene
US5362697A (en) * 1993-04-26 1994-11-08 Mobil Oil Corp. Synthetic layered MCM-56, its synthesis and use
CA2172207A1 (en) * 1995-03-21 1996-09-22 Mark Edward Kuchenmeister Transalkylation of polyalkylaromatic hydrocarbons
EP0920404B1 (de) 1996-10-02 2000-12-13 The Dow Chemical Company Auf zeolite basiertes verfahren zur herstellung von ethylbenzol das geeignet ist zur verwendung in einer auf aluminumchlorid basierten vorrichtung zur herstellung von ehtylbenzol

Also Published As

Publication number Publication date
CN1162379C (zh) 2004-08-18
MY133208A (en) 2007-10-31
CZ20013946A3 (en) 2004-03-17
TW538033B (en) 2003-06-21
MXPA01011139A (es) 2002-10-04
CA2373113A1 (en) 2000-11-09
BR0010253A (pt) 2002-01-08
DE60014622D1 (de) 2004-11-11
DE60014622T2 (de) 2006-03-09
EP1173398A1 (de) 2002-01-23
JP2002543168A (ja) 2002-12-17
CN1359359A (zh) 2002-07-17
JP4892135B2 (ja) 2012-03-07
CA2373113C (en) 2008-12-30
FI20012121A (fi) 2001-12-31
AU4714400A (en) 2000-11-17
WO2000066520A1 (en) 2000-11-09
KR20020005738A (ko) 2002-01-17
ES2230106T3 (es) 2005-05-01
US6984764B1 (en) 2006-01-10
EP1173398B1 (de) 2004-10-06
KR100683351B1 (ko) 2007-02-15

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