ITMI931792A1 - Procedimento per ottenere olefine leggere dalla deidrogenazione delle corrispondenti paraffine - Google Patents

Procedimento per ottenere olefine leggere dalla deidrogenazione delle corrispondenti paraffine

Info

Publication number
ITMI931792A1
ITMI931792A1 IT001792A ITMI931792A ITMI931792A1 IT MI931792 A1 ITMI931792 A1 IT MI931792A1 IT 001792 A IT001792 A IT 001792A IT MI931792 A ITMI931792 A IT MI931792A IT MI931792 A1 ITMI931792 A1 IT MI931792A1
Authority
IT
Italy
Prior art keywords
dehydrogenation
procedure
light olefins
obtaining light
corresponding paraffins
Prior art date
Application number
IT001792A
Other languages
English (en)
Inventor
Luca Basini
Franco Buonomo
Rodolfo Iezzi
Original Assignee
Eniricerche S P A Ora Enitecnologie Spa
Snam Progetti
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 Eniricerche S P A Ora Enitecnologie Spa, Snam Progetti filed Critical Eniricerche S P A Ora Enitecnologie Spa
Publication of ITMI931792A0 publication Critical patent/ITMI931792A0/it
Priority to IT93MI001792A priority Critical patent/IT1265047B1/it
Priority to EP93203169A priority patent/EP0637578B1/en
Priority to DE69302377T priority patent/DE69302377T2/de
Priority to ES93203169T priority patent/ES2085711T3/es
Priority to DK93203169.3T priority patent/DK0637578T3/da
Priority to NO934156A priority patent/NO307137B1/no
Priority to RU93051359A priority patent/RU2114809C1/ru
Priority to CA002103296A priority patent/CA2103296C/en
Priority to DZ930126A priority patent/DZ1731A1/fr
Priority to LTIP1624A priority patent/LT3553B/lt
Priority to SA93140424A priority patent/SA93140424B1/ar
Priority to CN93112928A priority patent/CN1040422C/zh
Priority to MYPI94002034A priority patent/MY111531A/en
Publication of ITMI931792A1 publication Critical patent/ITMI931792A1/it
Application granted granted Critical
Publication of IT1265047B1 publication Critical patent/IT1265047B1/it
Priority to US10/184,888 priority patent/US7235706B2/en

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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/90—Regeneration or reactivation
    • B01J23/96—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the noble metals
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/62—Platinum group metals with gallium, indium, thallium, germanium, tin or lead
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/005—Separating solid material from the gas/liquid stream
    • B01J8/0055—Separating solid material from the gas/liquid stream using cyclones
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
    • 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
    • C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • C07C5/327—Formation of non-aromatic carbon-to-carbon double bonds only
    • C07C5/333—Catalytic processes
    • C07C5/3335—Catalytic processes with metals
    • C07C5/3337—Catalytic processes with metals of the platinum group
    • 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
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
IT93MI001792A 1993-08-06 1993-08-06 Procedimento per ottenere olefine leggere dalla deidrogenazione delle corrispondenti paraffine IT1265047B1 (it)

Priority Applications (14)

Application Number Priority Date Filing Date Title
IT93MI001792A IT1265047B1 (it) 1993-08-06 1993-08-06 Procedimento per ottenere olefine leggere dalla deidrogenazione delle corrispondenti paraffine
EP93203169A EP0637578B1 (en) 1993-08-06 1993-11-13 Process for preparing light olefins by dehydrogenation of the corresponding paraffins
DE69302377T DE69302377T2 (de) 1993-08-06 1993-11-13 Verfahren zur Herstellung von leichten Olefinen durch Dehydrierung der übereinstimmende Paraffinen
ES93203169T ES2085711T3 (es) 1993-08-06 1993-11-13 Procedimiento para preparar olefinas ligeras por deshidrogenacion de las correspondientes parafinas.
DK93203169.3T DK0637578T3 (da) 1993-08-06 1993-11-13 Fremgangsmåde til fremstilling af lette olefiner ved dehydrogenering af de tilsvarende paraffiner
RU93051359A RU2114809C1 (ru) 1993-08-06 1993-11-17 Способ получения легких олефинов
NO934156A NO307137B1 (no) 1993-08-06 1993-11-17 Fremgangsmåte for fremstilling av lette olefiner ved dehydrogenering av de korresponderende parafiner
CA002103296A CA2103296C (en) 1993-08-06 1993-11-17 Process for preparing light olefins by dehydrogenation of the corresponding paraffins
DZ930126A DZ1731A1 (fr) 1993-08-06 1993-11-27 Procédé de préparation d'oléfines légères par déshydrogenation des paraffines correspondantes.
LTIP1624A LT3553B (en) 1993-08-06 1993-12-16 Process for preparing light olefins by dehydrogenation of the corresponding paraffins
SA93140424A SA93140424B1 (ar) 1993-08-06 1993-12-18 عملية لتحضير اوليفينات خفيفة بإزالة هيدروجين البارافينات المتناظرة
CN93112928A CN1040422C (zh) 1993-08-06 1993-12-20 由相应链烷烃脱氢制备轻链烯的方法
MYPI94002034A MY111531A (en) 1993-08-06 1994-08-04 Process for preparing light olefins by dehydrogenation of the corresponding paraffins.
US10/184,888 US7235706B2 (en) 1993-08-06 2002-07-01 Process for preparing light olefins by dehydrogenation of the corresponding paraffins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT93MI001792A IT1265047B1 (it) 1993-08-06 1993-08-06 Procedimento per ottenere olefine leggere dalla deidrogenazione delle corrispondenti paraffine

Publications (3)

Publication Number Publication Date
ITMI931792A0 ITMI931792A0 (it) 1993-08-06
ITMI931792A1 true ITMI931792A1 (it) 1995-02-06
IT1265047B1 IT1265047B1 (it) 1996-10-28

Family

ID=11366792

Family Applications (1)

Application Number Title Priority Date Filing Date
IT93MI001792A IT1265047B1 (it) 1993-08-06 1993-08-06 Procedimento per ottenere olefine leggere dalla deidrogenazione delle corrispondenti paraffine

Country Status (14)

Country Link
US (1) US7235706B2 (it)
EP (1) EP0637578B1 (it)
CN (1) CN1040422C (it)
CA (1) CA2103296C (it)
DE (1) DE69302377T2 (it)
DK (1) DK0637578T3 (it)
DZ (1) DZ1731A1 (it)
ES (1) ES2085711T3 (it)
IT (1) IT1265047B1 (it)
LT (1) LT3553B (it)
MY (1) MY111531A (it)
NO (1) NO307137B1 (it)
RU (1) RU2114809C1 (it)
SA (1) SA93140424B1 (it)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1265047B1 (it) * 1993-08-06 1996-10-28 Snam Progetti Procedimento per ottenere olefine leggere dalla deidrogenazione delle corrispondenti paraffine
IT1295072B1 (it) * 1997-09-26 1999-04-27 Snam Progetti Procedimento per la produzione di stirene
CN1237036C (zh) 2000-02-02 2006-01-18 陶氏环球技术公司 用于生产链烯基取代的芳香族化合物的综合方法
MXPA02011489A (es) * 2001-12-04 2003-06-30 Rohm & Haas Procesos mejorados para la preparacion de olefinas, acidos carboxilicos insaturados y nitrilos insaturados, a partir de alcanos.
WO2004110966A1 (en) * 2003-05-29 2004-12-23 Dow Global Technologies, Inc. Dehydrogenattion of alkyl aromatic compound over a gallium-zinc catalyst
MXPA06008965A (es) * 2004-02-09 2007-02-20 Down Chemical Company Proceso para la preparacion de compuestos de hidrocarburos deshidrogenados.
US7491860B2 (en) * 2005-08-03 2009-02-17 Süd-Chemie Inc. Dehydrogenation process
KR101218453B1 (ko) * 2008-12-30 2013-01-04 주식회사 효성 탈수소화 촉매
WO2010107591A1 (en) 2009-03-19 2010-09-23 Dow Global Technologies Inc. Dehydrogenation process and catalyst
US8624074B2 (en) * 2010-03-22 2014-01-07 Uop Llc Reactor flowscheme for dehydrogenation of propane to propylene
US8513149B2 (en) 2010-08-30 2013-08-20 Uop Llc Method for drying regenerated catalyst in route to a propane dehydrogenation reactor
US8603406B2 (en) 2010-08-30 2013-12-10 Uop Llc For drying regenerated catalyst in route to a propane dehydrogenation reactor
CN103140459A (zh) 2010-09-30 2013-06-05 陶氏环球技术有限责任公司 改善的非氧化脱氢的方法
BR112014000199B1 (pt) * 2011-07-13 2020-06-02 Dow Global Technologies Llc Processo para desidrogenar um alcano
ITMI20112403A1 (it) 2011-12-28 2013-06-29 Polimeri Europa Spa Composizione catalitica e procedimento per la deidrogenazione di buteni o miscele di butani e buteni a dare 1-3 butadiene
US20140371501A1 (en) * 2012-02-20 2014-12-18 Dow Global Technologies Llc Reconstituted dehydrogenation catalyst showing slowed activity loss when compared with fresh catalyst
CN104755167B (zh) * 2012-08-28 2018-08-07 陶氏环球技术有限责任公司 催化剂组合物和用于烷烃脱氢的再活化方法
US9150466B2 (en) * 2012-11-20 2015-10-06 Uop Llc Counter-current fluidized bed reactor for the dehydrogenation of olefins
KR101527845B1 (ko) * 2013-12-04 2015-06-16 희성촉매 주식회사 스폰지형 담체를 이용한 탄화수소 탈수소화 촉매 제조방법
US9776170B2 (en) 2013-12-16 2017-10-03 Dow Global Technologies Llc Heterogeneous alkane dehydrogenation catalyst
BR112016013610B1 (pt) 2013-12-20 2021-01-26 Dow Global Technologies Llc método para reduzir enxofre presente como enxofre ou compostos de enxofre em um fluxo de alimentação de hidrocarboneto
SG11201703275TA (en) 2014-10-20 2017-05-30 China Petroleum & Chem Corp A process for producing light olefins
EP3277650B1 (en) 2015-03-30 2020-04-22 Dow Global Technologies LLC Integrated c3-c4 hydrocarbon dehydrogenation process
US10155702B2 (en) 2015-11-04 2018-12-18 Exxonmobil Chemical Patents Inc. Processes and systems for converting hydrocarbons to cyclopentadiene
AR109242A1 (es) 2016-05-09 2018-11-14 Dow Global Technologies Llc Un proceso para la deshidrogenación catalítica
EP3287191A1 (en) * 2016-08-26 2018-02-28 Friedrich-Alexander-Universität Erlangen-Nürnberg Catalytically active compositions of matter
US9908825B1 (en) 2016-10-07 2018-03-06 Exxonmobil Chemical Patents Inc. Processes and systems for converting hydrocarbons to cyclopentadiene
US10646855B2 (en) * 2017-11-02 2020-05-12 Uop Llc Catalyst and process for the selective conversion of hydrocarbons
CN109647292B (zh) * 2017-10-10 2022-03-11 中国石油化工股份有限公司 一种采用流化床由合成气制备低碳烯烃的方法
US10792646B2 (en) 2017-10-30 2020-10-06 Clariant Corporation Dehydrogenation catalysts
WO2019115627A1 (en) * 2017-12-13 2019-06-20 Versalis S.P.A. Catalyst composition and process for the production of 1,3-butadiene
EP3796997A1 (en) * 2018-05-22 2021-03-31 Haldor Topsøe A/S Silica promotor for propane dehydrogenation catalysts based on platinum and gallium
MX2020013186A (es) 2018-07-05 2021-02-26 Dow Global Technologies Llc Procesamiento quimico que usa hidrogeno que contiene combustible complementario para el procesamiento de catalizadores.
MX2020013189A (es) 2018-07-05 2021-02-26 Dow Global Technologies Llc Procesos y sistemas quimicos que incluyen la combustion de combustibles complementarios.
US11186784B2 (en) * 2018-10-15 2021-11-30 Uop Llc Dehydrogenation process having improved run time
MX2021004817A (es) 2018-10-30 2021-06-15 Clariant Int Ltd Catalizadores de deshidrogenacion y metodos para prepararlos y utilizarlos.
US20210053034A1 (en) * 2019-08-23 2021-02-25 Uop Llc Dehydrogenation catalyst composition
WO2021250567A1 (en) * 2020-06-10 2021-12-16 Sabic Global Technologies B.V. A process for reconstructing a spent dehydrogenation catalyst
TW202216286A (zh) 2020-07-20 2022-05-01 瑞士商克萊瑞特國際股份有限公司 脫氫觸媒及其使用方法
EP4188588A1 (en) 2020-07-28 2023-06-07 Totalenergies Onetech Process to conduct an endothermic dehydrogenation and/or aromatisation reaction in a fluidized bed reactor
US11873276B2 (en) 2020-09-16 2024-01-16 Indian Oil Corporation Limited Fluidized bed dehydrogenation process for light olefin production
EP4377005A1 (en) * 2021-07-28 2024-06-05 ExxonMobil Chemical Patents Inc. Catalyst compositions and processes for making and using same
CN113559853A (zh) * 2021-08-21 2021-10-29 福州大学 一种丙烷直接脱氢制丙烯的催化剂
US20230211332A1 (en) * 2021-12-31 2023-07-06 Uop Llc Stripping of regenerated catalyst during start-up and shutdown

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US351067A (en) 1886-10-19 Machine for the manufacture of wood pulp
US2956030A (en) 1957-05-20 1960-10-11 Houdry Process Corp Dehydrogenation catalyst
US2945823A (en) 1957-05-22 1960-07-19 Houdry Process Corp Stabilized dehydrogenation catalyst
US2991255A (en) 1957-10-03 1961-07-04 American Cyanamid Co Extrusion of chromia alumina catalysts
US3531543A (en) 1968-05-28 1970-09-29 Chevron Res Group viii noble metal,tin and solid inorganic refractory metal oxide catalyst composites and their use in hydrocarbon dehydrogenations
US3980721A (en) * 1971-11-19 1976-09-14 Institut Francaise Du Petrole, Des Carburants Et Lubrifiants Et Entreprise De Recherches Et D'activites Petrolieres Elf Catalyst particularly useful for dehydrogenating saturated hydrocarbons
CA1064704A (en) 1975-06-24 1979-10-23 John A. Topping Glass seal
CA1064970A (en) 1975-07-17 1979-10-23 British Petroleum Company Limited (The) Dehydrogenation process
DE126156C (it) * 1976-06-24 1900-01-01
US4055548A (en) 1976-09-17 1977-10-25 The Upjohn Company Storage-stable liquid polyisocyanate composition
US4438288A (en) 1983-03-22 1984-03-20 Uop Inc. Dehydrogenation of hydrocarbons with a halogen contacting step
CA1231104A (en) 1983-08-08 1988-01-05 Eduard P. Kieffer Process for the preparation of an aromatic hydrocarbon mixture
FI852865L (fi) 1984-07-25 1986-01-26 Air Prod & Chem Foerbaettrad katalysator foer dehydrering av kolvaeten.
JP2617291B2 (ja) 1984-08-15 1997-06-04 智行 乾 低級パラフイン系炭化水素の芳香族炭化水素への変換方法
US4786625A (en) 1987-02-25 1988-11-22 Uop Inc. Dehydrogenation catalyst compositon
US4886928A (en) 1988-09-26 1989-12-12 Uop Hydrocarbon dehydrogenation process
US4914075A (en) * 1988-12-05 1990-04-03 Uop Dehydrogenation catalyst composition
US4902849A (en) * 1989-02-06 1990-02-20 Phillips Petroleum Company Dehydrogenation process
IT1238085B (it) 1990-02-07 1993-07-05 Snam Progetti Composizione catalicica per la deidrogenazione di paraffine c2-c5
US5214227A (en) 1991-12-20 1993-05-25 Exxon Research & Engineering Company Low pressure dehydrogenation of light paraffins
US5219816A (en) * 1991-12-20 1993-06-15 Exxon Research & Engineering Company Dehydrogenation catalysts and process for preparing the catalysts
IT1265047B1 (it) * 1993-08-06 1996-10-28 Snam Progetti Procedimento per ottenere olefine leggere dalla deidrogenazione delle corrispondenti paraffine
US5430211A (en) * 1993-10-29 1995-07-04 The Dow Chemical Company Process of preparing ethylbenzene or substituted derivatives thereof
IT1292390B1 (it) 1997-06-20 1999-02-08 Snam Progetti Sistema catalitico e procedimento per deidrogenare l'etilbenzene a stirene
DE19850788A1 (de) 1998-11-04 2000-05-11 Clariant Gmbh Verfahren zur Herstellung von Trifluorbenzoesäuren

Also Published As

Publication number Publication date
DZ1731A1 (fr) 2002-02-17
NO934156L (no) 1995-02-07
DK0637578T3 (da) 1996-07-08
ITMI931792A0 (it) 1993-08-06
EP0637578B1 (en) 1996-04-24
CA2103296A1 (en) 1995-02-07
US7235706B2 (en) 2007-06-26
US20020198428A1 (en) 2002-12-26
SA93140424B1 (ar) 2005-12-12
CA2103296C (en) 2005-05-10
RU2114809C1 (ru) 1998-07-10
ES2085711T3 (es) 1996-06-01
MY111531A (en) 2000-07-31
LTIP1624A (en) 1995-02-27
CN1040422C (zh) 1998-10-28
EP0637578A1 (en) 1995-02-08
NO307137B1 (no) 2000-02-14
DE69302377D1 (de) 1996-05-30
DE69302377T2 (de) 1996-09-19
CN1098399A (zh) 1995-02-08
LT3553B (en) 1995-12-27
IT1265047B1 (it) 1996-10-28
NO934156D0 (no) 1993-11-17

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