ATE223755T1 - Herstellung von olefinen - Google Patents

Herstellung von olefinen

Info

Publication number
ATE223755T1
ATE223755T1 AT95102230T AT95102230T ATE223755T1 AT E223755 T1 ATE223755 T1 AT E223755T1 AT 95102230 T AT95102230 T AT 95102230T AT 95102230 T AT95102230 T AT 95102230T AT E223755 T1 ATE223755 T1 AT E223755T1
Authority
AT
Austria
Prior art keywords
olefins
production
catalyst system
production catalyst
olefin production
Prior art date
Application number
AT95102230T
Other languages
English (en)
Inventor
Jeffrey W Freeman
Mark E Lashier
Ronald D Knudsen
Original Assignee
Phillips Petroleum Co
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 Phillips Petroleum Co filed Critical Phillips Petroleum Co
Application granted granted Critical
Publication of ATE223755T1 publication Critical patent/ATE223755T1/de

Links

Classifications

    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/12—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/04—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing carboxylic acids or their salts
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0235—Nitrogen containing compounds
    • B01J31/0244—Nitrogen containing compounds with nitrogen contained as ring member in aromatic compounds or moieties, e.g. pyridine
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/12—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
    • B01J31/122—Metal aryl or alkyl compounds
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/12—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
    • B01J31/128—Mixtures of organometallic compounds
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/12—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
    • B01J31/14—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides of aluminium or boron
    • B01J31/143—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides of aluminium or boron of aluminium
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22—Organic complexes
    • B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
    • B01J31/2208—Oxygen, e.g. acetylacetonates
    • B01J31/2226—Anionic ligands, i.e. the overall ligand carries at least one formal negative charge
    • B01J31/223—At least two oxygen atoms present in one at least bidentate or bridging ligand
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/40—Regeneration or reactivation
    • B01J31/4007—Regeneration or reactivation of catalysts containing polymers
    • 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
    • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/20—Olefin oligomerisation or telomerisation
    • 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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/60—Complexes comprising metals of Group VI (VIA or VIB) as the central metal
    • B01J2531/62—Chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerisation Methods In General (AREA)
AT95102230T 1994-02-18 1995-02-17 Herstellung von olefinen ATE223755T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/198,331 US5543375A (en) 1994-02-18 1994-02-18 Olefin production

Publications (1)

Publication Number Publication Date
ATE223755T1 true ATE223755T1 (de) 2002-09-15

Family

ID=22732936

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95102230T ATE223755T1 (de) 1994-02-18 1995-02-17 Herstellung von olefinen

Country Status (19)

Country Link
US (2) US5543375A (de)
EP (1) EP0668105B1 (de)
JP (1) JP3280184B2 (de)
KR (1) KR100220825B1 (de)
CN (2) CN1093778C (de)
AT (1) ATE223755T1 (de)
AU (1) AU670013B2 (de)
BR (1) BR9500294A (de)
CA (1) CA2135317C (de)
DE (1) DE69528092T2 (de)
DK (1) DK0668105T3 (de)
ES (1) ES2180593T3 (de)
HU (1) HU219320B (de)
NO (1) NO310706B1 (de)
PT (1) PT668105E (de)
RU (1) RU2154046C2 (de)
SG (1) SG75754A1 (de)
TW (1) TW379235B (de)
ZA (1) ZA95362B (de)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3613642B2 (ja) 1994-09-05 2005-01-26 住友化学株式会社 1−ヘキセンの製造方法
US5859303A (en) * 1995-12-18 1999-01-12 Phillips Petroleum Company Olefin production
US6133495A (en) * 1996-03-14 2000-10-17 Mitsubishi Chemical Corporation Process for producing α-olefin oligomer
JP3823429B2 (ja) * 1996-06-28 2006-09-20 住友化学株式会社 触媒系及びオレフィンの反応方法
US5856257A (en) * 1997-05-16 1999-01-05 Phillips Petroleum Company Olefin production
US20020182124A1 (en) * 1997-10-14 2002-12-05 William M. Woodard Olefin production process
CN1108193C (zh) * 1998-12-15 2003-05-14 北京燕山石油化工公司研究院 一种用于乙烯三聚的新型催化剂,其制备方法和应用
US20010053742A1 (en) * 1998-12-18 2001-12-20 Ronald D. Knudsen Catalyst and processes for olefin trimerization
BR0015901A (pt) * 1999-11-26 2002-10-22 Sasol Tech Pty Ltd Processos de oligomerização de olefina para converter olefinas em hidrocarbonetos de cadeia mais longa, e de trimerização para a trimerização de olefinas, e, lubrificante de polialfaolefina
FR2802833B1 (fr) * 1999-12-24 2002-05-10 Inst Francais Du Petrole Composition catalytique et procede pour l'oligomerisation de l'ethylene, en particulier en hexene-1
EP1456153B1 (de) 2001-12-20 2012-06-13 Sasol Technology (Pty) Ltd Trimerisierung und oligomerisierung von olefinen unter verwendung eines chrombasierten katalysators
TW200502038A (en) * 2003-03-14 2005-01-16 Chevron Phillips Chemical Co Process to decrease or eliminate corrosion from the decomposition of halide containing olefin catalysts
US20050187418A1 (en) * 2004-02-19 2005-08-25 Small Brooke L. Olefin oligomerization
US9550841B2 (en) 2004-02-20 2017-01-24 Chevron Phillips Chemical Company Lp Methods of preparation of an olefin oligomerization catalyst
US20070043181A1 (en) * 2005-08-19 2007-02-22 Knudsen Ronald D Methods of preparation of an olefin oligomerization catalyst
US7384886B2 (en) * 2004-02-20 2008-06-10 Chevron Phillips Chemical Company Lp Methods of preparation of an olefin oligomerization catalyst
US20050187098A1 (en) * 2004-02-20 2005-08-25 Knudsen Ronald D. Methods of preparation of an olefin oligomerization catalyst
US7425661B2 (en) * 2005-03-09 2008-09-16 Exxonmobil Chemicals Patents Inc. Methods for oligomerizing olefins
US7414006B2 (en) * 2005-03-09 2008-08-19 Exxonmobil Chemical Patents Inc. Methods for oligomerizing olefins
WO2007092136A2 (en) * 2006-02-03 2007-08-16 Exxonmobil Chemical Patents, Inc. Process for generating alpha olefin comonomers
US7687672B2 (en) * 2006-02-03 2010-03-30 Exxonmobil Chemical Patents Inc. In-line process for generating comonomer
US7858833B2 (en) * 2006-02-03 2010-12-28 Exxonmobil Chemical Patents Inc. Process for generating linear alpha olefin comonomers
US8003839B2 (en) * 2006-02-03 2011-08-23 Exxonmobil Chemical Patents Inc. Process for generating linear apha olefin comonomers
US7982085B2 (en) * 2006-02-03 2011-07-19 Exxonmobil Chemical Patents Inc. In-line process for generating comonomer
US7378537B2 (en) * 2006-07-25 2008-05-27 Chevron Phillips Chemical Company Lp Olefin oligomerization catalysts and methods of using same
US8404915B2 (en) * 2006-08-30 2013-03-26 Exxonmobil Chemical Patents Inc. Phosphine ligand-metal compositions, complexes, and catalysts for ethylene trimerizations
US20100030000A1 (en) * 2006-12-28 2010-02-04 Mitsubishi Chemical Corporation Production method of alpha-olefin low polymer and storage method of pyrrole compound
US8138348B2 (en) * 2007-01-08 2012-03-20 Exxonmobil Chemical Patents Inc. Methods for oligomerizing olefins with chromium pyridine mono-oxazoline catalysts
EP2114973A1 (de) * 2007-01-08 2009-11-11 ExxonMobil Chemical Patents Inc. Verfahren zur oligomerisierung von olefinen mit chrom-pyridinthioether-katalysatoren
WO2008085659A1 (en) * 2007-01-08 2008-07-17 Exxonmobil Chemical Patents Inc. Methods for oligomerizing olefins with chromium pyridine ether catalysts
EP2121183A1 (de) * 2007-01-08 2009-11-25 ExxonMobil Chemical Patents Inc. Chromkomplexe von pyridinbis(oxazolin)-liganden für die dimerisation von ethylen
ES2397303T3 (es) * 2007-11-28 2013-03-06 Linde Ag Composición de catalizador y procedimiento para la oligomerización de etileno
US7902415B2 (en) * 2007-12-21 2011-03-08 Chevron Phillips Chemical Company Lp Processes for dimerizing or isomerizing olefins
US8471085B2 (en) 2008-10-31 2013-06-25 Chevron Phillips Chemical Company Lp Oligomerization catalyst system and process for oligomerizing olefins
KR20110081940A (ko) * 2008-10-31 2011-07-15 셰브론 필립스 케미컬 컴퍼니 엘피 올리고머화 촉매시스템 및 올레핀 올리고머화 방법
US8227653B2 (en) 2009-03-27 2012-07-24 Exxonmobil Chemical Patents Inc. Olefin oligomerization reaction processes exhibiting reduced fouling
CN102666443B (zh) 2009-10-16 2014-09-03 沙索技术有限公司 从包含乙烯的多组分烃流分离组分
WO2011112184A1 (en) 2010-03-09 2011-09-15 Exxonmobil Chemical Patents Inc. System and method for selective trimerization
US20130102826A1 (en) * 2011-05-24 2013-04-25 James R. Lattner Systems And Methods For Generating Alpha Olefin Oligomers
US9586872B2 (en) 2011-12-30 2017-03-07 Chevron Phillips Chemical Company Lp Olefin oligomerization methods
US8524972B1 (en) 2012-04-18 2013-09-03 Exxonmobil Chemical Patents Inc. Low temperature steam stripping for byproduct polymer and solvent recovery from an ethylene oligomerization process
BR112014027665B1 (pt) 2012-05-09 2021-04-13 Sasol Technology (Proprietary) Limited Processo para separar um fluxo de hidrocarbonetos multicomponente e processo de oligomerização de etileno
US9522856B2 (en) 2012-05-09 2016-12-20 Sasol Technology (Proprietary) Limited Process for oligomerising a hydrocarbon to form at least one co-monomer product
NL1039868C2 (en) 2012-11-01 2014-05-06 Stichting Dutch Polymer Inst Process for producing an oligo(alpha-olefin) and the use of a particular form of methylaluminoxane in such process.
WO2015133805A1 (ko) 2014-03-05 2015-09-11 아주대학교산학협력단 크롬 화합물, 이를 포함하는 촉매 시스템 및 이를 이용한 에틸렌 3량화 방법
FR3019064B1 (fr) * 2014-03-25 2020-02-28 IFP Energies Nouvelles Nouvelle composition catalytique et procede pour l'oligomerisation de l'ethylene en hexene-1
US9175109B1 (en) 2014-05-20 2015-11-03 Chevron Phillips Chemical Company Lp Oligomerization processes and polymer compositions produced therefrom
HRP20190950T1 (hr) 2014-12-23 2019-08-23 Public Joint Stock Company "Sibur Holding" Postupci priprave oligomera olefina
US9505675B2 (en) 2015-02-09 2016-11-29 Chevron Phillips Chemical Company Lp Deactivation of a process by-product
WO2017010998A1 (en) 2015-07-14 2017-01-19 Chevron Phillips Chemical Company Lp Olefin compositions
US9732300B2 (en) 2015-07-23 2017-08-15 Chevron Phillipa Chemical Company LP Liquid propylene oligomers and methods of making same
US10519077B2 (en) 2015-09-18 2019-12-31 Chevron Phillips Chemical Company Lp Ethylene oligomerization/trimerization/tetramerization reactor
US10513473B2 (en) 2015-09-18 2019-12-24 Chevron Phillips Chemical Company Lp Ethylene oligomerization/trimerization/tetramerization reactor
US10981154B2 (en) 2016-09-21 2021-04-20 Lotte Chemical Corporation Catalyst system for olefin oligomerization and method for preparing olefin oligomer using same
CN109790081A (zh) 2016-09-21 2019-05-21 乐天化学株式会社 烯烃低聚的催化剂体系和使用其制备烯烃低聚物的方法
CN111225893B (zh) 2017-10-11 2023-04-21 乐天化学株式会社 用于烯烃低聚的催化剂体系及利用其的烯烃低聚物制备方法
CN111212822B (zh) 2017-10-11 2023-04-21 乐天化学株式会社 用于烯烃低聚的催化剂体系及利用其的烯烃低聚物制备方法
FR3113054B1 (fr) * 2020-07-30 2022-11-04 Ifp Energies Now Procede d’oligomerisation d’ethylene comprenant la preparation in situ de la composition catalytique
FR3112969B1 (fr) 2020-07-30 2022-08-05 Ifp Energies Now Nouvelle composition catalytique a base de chrome et procede associe pour la trimerisation de l’ethylene en hexene-1
US12637399B2 (en) 2022-07-05 2026-05-26 Chevron Phillips Chemical Company Lp Flexible production of benzene and derivatives thereof via oligomerization of ethylene
US12435016B2 (en) 2022-07-28 2025-10-07 Chevron Phillips Chemical Company Lp Flexible benzene production via selective-higher-olefin oligomerization of ethylene
US11878952B1 (en) 2022-11-14 2024-01-23 Chevron Phillips Chemical Company Lp Oligomerization catalyst system deactivation and related ethylene oligomerization processes

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319065A (en) * 1980-12-03 1982-03-09 Gulf Research & Development Company Method for preparing synthetic hydrocarbon fluids
JPS6067508A (ja) * 1983-09-22 1985-04-17 Toa Nenryo Kogyo Kk オレフインの重合方法
US4668838A (en) * 1986-03-14 1987-05-26 Union Carbide Corporation Process for trimerization
US5198563A (en) * 1989-08-10 1993-03-30 Phillips Petroleum Company Chromium compounds and uses thereof
CA2020509C (en) * 1989-08-10 1998-04-28 William K. Reagen Chromium compounds and uses thereof
US5438027A (en) * 1991-12-13 1995-08-01 Phillips Petroleum Company Chromium compounds and uses thereof
EP0548805B1 (de) * 1991-12-18 1997-03-05 Phillips Petroleum Company Verfahren zur Herstellung von Polymerisationskatalysator
US5221774A (en) * 1992-03-19 1993-06-22 Phillips Petroleum Company Ethylene oligomerization

Also Published As

Publication number Publication date
HUT71634A (en) 1996-01-29
EP0668105A2 (de) 1995-08-23
JPH07258329A (ja) 1995-10-09
DE69528092T2 (de) 2003-01-23
RU95102329A (ru) 1997-01-10
EP0668105A3 (de) 1996-02-07
US5563312A (en) 1996-10-08
US5543375A (en) 1996-08-06
PT668105E (pt) 2003-01-31
NO950612L (no) 1995-08-21
AU8176394A (en) 1995-08-31
EP0668105B1 (de) 2002-09-11
DE69528092D1 (de) 2002-10-17
DK0668105T3 (da) 2003-01-06
CN1108967A (zh) 1995-09-27
RU2154046C2 (ru) 2000-08-10
ES2180593T3 (es) 2003-02-16
CA2135317A1 (en) 1995-08-19
KR100220825B1 (ko) 1999-09-15
AU670013B2 (en) 1996-06-27
CN1515525A (zh) 2004-07-28
SG75754A1 (en) 2000-10-24
KR950031227A (ko) 1995-12-18
NO950612D0 (no) 1995-02-17
CN1093778C (zh) 2002-11-06
ZA95362B (en) 1995-09-22
BR9500294A (pt) 1995-10-24
HU219320B (en) 2001-03-28
CA2135317C (en) 1998-10-13
TW379235B (en) 2000-01-11
NO310706B1 (no) 2001-08-20
JP3280184B2 (ja) 2002-04-30
HU9500483D0 (en) 1995-04-28
CN1245362C (zh) 2006-03-15

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