KR920703763A - 석유 탄화수소 원료의 개질방법 - Google Patents

석유 탄화수소 원료의 개질방법

Info

Publication number
KR920703763A
KR920703763A KR1019920701007A KR920701007A KR920703763A KR 920703763 A KR920703763 A KR 920703763A KR 1019920701007 A KR1019920701007 A KR 1019920701007A KR 920701007 A KR920701007 A KR 920701007A KR 920703763 A KR920703763 A KR 920703763A
Authority
KR
South Korea
Prior art keywords
stream
reaction zone
zeolite
feed stream
rich
Prior art date
Application number
KR1019920701007A
Other languages
English (en)
Other versions
KR0146718B1 (ko
Inventor
페트루스 베르두이즌 요하네스
브라이스 맥비커 게리
조셉 지미야크 존
Original Assignee
원본 미기재
엑손 리써치 앤드 엔지니어링 컴퍼니
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 원본 미기재, 엑손 리써치 앤드 엔지니어링 컴퍼니 filed Critical 원본 미기재
Publication of KR920703763A publication Critical patent/KR920703763A/ko
Application granted granted Critical
Publication of KR0146718B1 publication Critical patent/KR0146718B1/ko

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G35/00Reforming naphtha
    • C10G35/04Catalytic reforming
    • C10G35/06Catalytic reforming characterised by the catalyst used
    • C10G35/095Catalytic reforming characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/60Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/60Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789
    • B01J29/61Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789 containing iron group metals, noble metals or copper
    • B01J29/62Noble metals
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B39/00Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
    • C01B39/02Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
    • C01B39/32Type L
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/32Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • C07C5/373Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen with simultaneous isomerisation
    • C07C5/387Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen with simultaneous isomerisation of cyclic compounds containing non six-membered ring to compounds containing a six-membered aromatic ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/32Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • C07C5/373Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen with simultaneous isomerisation
    • C07C5/393Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen with simultaneous isomerisation with cyclisation to an aromatic six-membered ring, e.g. dehydrogenation of n-hexane to benzene
    • C07C5/41Catalytic processes
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2529/00Catalysts comprising molecular sieves
    • C07C2529/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
    • C07C2529/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • C07C2529/60Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L
    • C07C2529/61Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L containing iron group metals, noble metals or copper
    • C07C2529/62Noble metals
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Steroid Compounds (AREA)

Abstract

내용 없음

Description

석유 탄화수소 원료의 개질방법
[도면의 간단한 설명]
제1도는 본 공정의 2가지 실시 태양의 흐름도 형태를 나타낸다,
제2도는 본 발명의 공정 및 다른 촉매를 사용하는 비교공정에 대한 벤젠의 수율 및 선택도를 나타낸다.
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (24)

  1. 제올라이트 결정들이 원통형이고, 0.6μ 이하의 평균길이 및 0.5 미만의 평균 길이:직경의 비율을 가지며, 실질적으로 편평한 기초면을 갖는, 금속수소화-탈수소화 촉진제로 합침된 제올라이트 KL을 포함한 촉매와 석유 탄화수소 공급스트림을 접촉시킴을 포함하는, 석유 탄화수소 공급 스트림의 개질방법.
  2. 제1항에 있어서, 제올라이트결정들의 평균길이:직경의 비율이 0.2 내지 0.5인 방법.
  3. 제1항 또는 제2항에 있어서, 제올라이트 결정들의 평균높이:직경의 비율이 1 내지 1.2인 방법.
  4. 제3항에 있어서, 제올라이트 결정들의 평균높이:길이의 비율이 약 1인 방법.
  5. 제1항 내지 제4항중 어느 한 항에 있어서, 제올라이트 KL이 물 q몰, 2가 양이온, K2Om몰의 공급원, SiO2n몰의 공급원 및 Al2O3p몰 공급원(여기서, m:n은 0.2 내지 0.35이고, n:p는 15 내지 160이며, q:m은 45 내지 70임)을 포함한 혼합물의 결정화 생성물인 방법.
  6. 제5항에 있어서, m:n이 0.24 내지 0.30이고, n:p가 20 내지 40이며, q:m이 50 내지 65인 방법.
  7. 제5항 또는 제6항에 있어서, 2가 양이온이 니켈, 마그네슘, 칼슘, 바륨, 코발트, 망간, 아연, 구리 또는 주석인 방법.
  8. 제7항에 있어서, 2가 양이온이 마그네슘 또는 바륨인 방법.
  9. 제1항 내지 제8항중 어느 한 항에 있어서, 금속 수소화-탈수소화 촉진제가 백금을 포함하는 방법.
  10. 제1항 내지 제9항중 어느 한 항에 있어서, 제올라이트 KL이 제올라이트의 중량을 기준으로 금속 수소화-탈수소화 촉진제 0.4 내지 0.8중량%로 함침되는 방법.
  11. 제1항 내지 제10항중 어느 한 항에 있어서, 상기 개질이 개질촉매를 함유한 제1반응대역 및 제1항 내지 제10항중 어느 한 항에서 정의한 바와같은 제올라이트 KL촉매를 함유한 제2반응대역을 포함하는 다수의 개질반응 대역에서 일어나는 방법.
  12. 제11항에 있어서, 상기 제1반응 대역이 850 내지 950℉(454 내지 510℃)의 온도 및 300 내지 600psig(2068 내지 4137kpa)의 압력하에 있는 방법.
  13. 제11항 또는 제12항에 있어서, 상기 제2반응 대역이 875 내지 975℉(468 내지 524℃)의 온도 및 100 내지 400psig(689 내지 2578kpa)의 압력하에 있는 방법.
  14. 제13항에 있어서, 상기 제2반응대역이 100 내지 200psig(689 내지 1379kpa)의 압력하에 있는 방법.
  15. 제11항 내지 제14항중 어느 한 항에 있어서, 석유 탄화수소 공급 스트림이 수소화탈황된 나프타인 방법.
  16. 제15항에 있어서, 상기 공급 스트림을 상기 제1반응 대역을 통해 통과시킨 다음, 그 생성물을 상기 제2반응대역을 통해 통과시키는 방법.
  17. 제15항에 있어서, 상기 공급 스트림을 상기 제1반응 대역을 통해 통과시키고, 그 생성물을 (a) 생성물 스트림중에 방향족 물질 50중량%이상을 포함한 방향족 물질이 풍부한 스트림 및 (b) 생성물 스트림중에 파라핀계 물질 50중량%이상을 포함한 파라핀이 풍부한 스트림으로 분리하고, 상기 스트림(b)을 상기 제2반응 대역을 통해 통과시키는 것을 포함하는 방법.
  18. 제17항에 있어서, 상기 파라핀이 풍부한 스트림을 상기 제2반응 대역을 통해 통과시킴으로써 수득된 생성물과 상기 방향족 물질이 풍부한 스트림을 혼합시키는 방법.
  19. 제15항에 있어서, (a) 상기 나프타 공급 스트림을 (ⅰ) Cs이상의 탄화수소가 풍부한 제1스트림 및 (ⅱ) C6또는 C7의 탄화수소가 풍부한 제2스트림으로 분별하고; (b) 상기 제1스트림을 상기 제1반응대역을 통해 통과시키고; (c) 상기 제2스트림을 상기 제2반응대역을 통해 통과시키는 것을 포함하는 방법.
  20. 제19항에 있어서, 상기 제1스트림이 나프타 공급 스트림내에 존재하는 C8이상의 탄화수소 50중량% 이상을 함유하고, 상기 제2스트림이 나프타 공급 스트림내에 존재하는 C6또는 C7의 탄화수소 50중량%이상을 함유하는 방법.
  21. 제19항 또는 제20항에 있어서, (b)단계 및 (c)단계의 생성물을 혼합하는 단계를 또한 포함하는 방법.
  22. 제1항 내지 제10항중 어느 한 항에 있어서, C6또는 C7의 탄화수소 50중량%이상을 함유한 공급스트림을 제1항 내지 제10항중 어느 한 항에 정의된 바와 같은 제올라이트 KL촉매와 접촉시킴을 포함하는, 상기 공급 스트림을 방향족화시키기 위한 방법.
  23. 제22항에 있어서, 상기 공급 스트림을 875 내지 975℉(468 내지 524℃)의 온도 및 100 내지 400psig(389 내지 2758kpa)의 압력하에 촉매와 접촉시키는 방법.
  24. 제23항에 있어서, 상기 압력이 100 내지 200psig(689 내지 1379kpa)인 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019920701007A 1989-10-30 1990-10-30 석유 탄화수소 원료의 개질방법 KR0146718B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8924410.7 1989-10-30
GB898924410A GB8924410D0 (en) 1989-10-30 1989-10-30 Zeolite l
GB8924410,7 1989-10-30
PCT/US1990/006306 WO1991006367A2 (en) 1989-10-30 1990-10-30 Zeolite l

Publications (2)

Publication Number Publication Date
KR920703763A true KR920703763A (ko) 1992-12-18
KR0146718B1 KR0146718B1 (ko) 1998-08-01

Family

ID=10665408

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1019920701008A KR0157638B1 (ko) 1989-10-30 1990-10-30 제올라이트 l
KR1019920701007A KR0146718B1 (ko) 1989-10-30 1990-10-30 석유 탄화수소 원료의 개질방법

Family Applications Before (1)

Application Number Title Priority Date Filing Date
KR1019920701008A KR0157638B1 (ko) 1989-10-30 1990-10-30 제올라이트 l

Country Status (8)

Country Link
EP (2) EP0500763B1 (ko)
JP (2) JP3394248B2 (ko)
KR (2) KR0157638B1 (ko)
AT (2) ATE149197T1 (ko)
CA (2) CA2071864C (ko)
DE (2) DE69030009T2 (ko)
GB (1) GB8924410D0 (ko)
WO (2) WO1991006616A2 (ko)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996040842A1 (en) * 1995-06-07 1996-12-19 Chevron Chemical Company Process for maximizing xylene production
US6769128B1 (en) 1995-06-07 2004-07-27 United Video Properties, Inc. Electronic television program guide schedule system and method with data feed access
WO1997003021A1 (en) * 1995-07-10 1997-01-30 Exxon Chemical Patents Inc. Zeolites and processes for their manufacture
ATE187954T1 (de) * 1995-11-16 2000-01-15 Unichema Chemie Bv Isomerisierung der fettsäure
US5940073A (en) 1996-05-03 1999-08-17 Starsight Telecast Inc. Method and system for displaying other information in a TV program guide
US5800696A (en) * 1996-11-12 1998-09-01 Phillips Petroleum Company Method for inhibiting the rate of coke formation during the zeolite catalyzed aromatization of hydrocarbons
US6123834A (en) * 1997-04-18 2000-09-26 Exxon Chemical Patents Inc. Catalytic upgrade of naphtha
AU733993B2 (en) 1997-07-21 2001-05-31 Rovi Guides, Inc. Systems and methods for displaying and recording control interfaces
US20020095676A1 (en) 1998-05-15 2002-07-18 Robert A. Knee Interactive television program guide system for determining user values for demographic categories
US6898762B2 (en) 1998-08-21 2005-05-24 United Video Properties, Inc. Client-server electronic program guide
US8095951B1 (en) 2005-05-06 2012-01-10 Rovi Guides, Inc. Systems and methods for providing a scan
US8640166B1 (en) 2005-05-06 2014-01-28 Rovi Guides, Inc. Systems and methods for content surfing
US7739280B2 (en) 2006-03-06 2010-06-15 Veveo, Inc. Methods and systems for selecting and presenting content based on user preference information extracted from an aggregate preference signature
US8316394B2 (en) 2006-03-24 2012-11-20 United Video Properties, Inc. Interactive media guidance application with intelligent navigation and display features
US8832742B2 (en) 2006-10-06 2014-09-09 United Video Properties, Inc. Systems and methods for acquiring, categorizing and delivering media in interactive media guidance applications
US7801888B2 (en) 2007-03-09 2010-09-21 Microsoft Corporation Media content search results ranked by popularity
US7902105B2 (en) 2007-10-11 2011-03-08 Chevron Phillips Chemical Company Lp Aromatization catalyst comprising prolongated silica and methods of making and using same
US9166714B2 (en) 2009-09-11 2015-10-20 Veveo, Inc. Method of and system for presenting enriched video viewing analytics
WO2011096990A2 (en) 2010-02-05 2011-08-11 Exxonmobil Chemical Patents Inc. Dehydrogenation catalyst and process
WO2011096995A1 (en) * 2010-02-05 2011-08-11 Exxonmobil Chemical Patents Inc. Dehydrogenation process
US20120271078A1 (en) * 2010-02-05 2012-10-25 Exxonmobil Chemical Patents Inc. Dehydrogenation Process
US20120271076A1 (en) 2010-02-05 2012-10-25 Soled Stuart L Iridium-Containing Catalysts, Their Production and Use
WO2011096999A2 (en) * 2010-02-05 2011-08-11 Exxonmobil Chemical Patents Inc. Cyclohexanone dehydrogenation catalyst and process
KR101769639B1 (ko) * 2010-02-05 2017-08-18 엑손모빌 케미칼 패턴츠 인코포레이티드 탈수소화 방법
CN106238045A (zh) 2010-12-17 2016-12-21 埃克森美孚化学专利公司 脱氢催化剂和方法
WO2012134552A1 (en) 2011-03-28 2012-10-04 Exxonmobil Chemical Patents Inc. Dehydrogenation process
WO2012094564A1 (en) 2011-01-06 2012-07-12 Veveo, Inc. Methods of and systems for content search based on environment sampling
EP2702127B1 (en) 2011-04-28 2015-06-03 Croda International PLC Process for producing monobranched fatty acids or alkyl esters
US9085736B2 (en) * 2011-10-26 2015-07-21 Chevron Phillips Chemical Company Lp System and method for on stream catalyst replacement
US9079817B2 (en) * 2011-12-15 2015-07-14 Uop Llc Initial hydrotreating of naphthenes with subsequent high temperature reforming
GB201219224D0 (en) 2012-10-25 2012-12-12 Croda Int Plc Process
EA030559B1 (ru) * 2013-07-02 2018-08-31 Сауди Бейсик Индастриз Корпорейшн Способ получения ароматических соединений и легких олефинов из углеводородного сырья

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4544539A (en) * 1982-05-14 1985-10-01 Exxon Research & Engineering Co. Zeolite L with cylindrical morphology
US4680280A (en) * 1985-03-15 1987-07-14 Chevron Research Company Sulfur tolerance of zeolitic reforming catalysts
GB8525404D0 (en) * 1985-10-15 1985-11-20 Exxon Chemical Patents Inc Zeolite l
EP0280513B1 (en) * 1987-02-25 1992-04-01 Exxon Chemical Patents Inc. Zeolite l preparation
GB8704365D0 (en) * 1987-02-25 1987-04-01 Exxon Chemical Patents Inc Zeolite l preparation
GB8800046D0 (en) * 1988-01-04 1988-02-10 Exxon Chemical Patents Inc Zeolite l

Also Published As

Publication number Publication date
EP0594572A1 (en) 1994-05-04
CA2071865A1 (en) 1991-05-01
EP0500763B1 (en) 1997-02-26
CA2071865C (en) 1999-01-19
ATE149097T1 (de) 1997-03-15
WO1991006367A2 (en) 1991-05-16
GB8924410D0 (en) 1989-12-20
WO1991006616A2 (en) 1991-05-16
DE69030009T2 (de) 1997-06-19
WO1991006616A3 (en) 1991-06-13
ATE149197T1 (de) 1997-03-15
JPH05502052A (ja) 1993-04-15
EP0500763A1 (en) 1992-09-02
WO1991006367A3 (en) 1991-06-13
CA2071864C (en) 1999-04-13
DE69030005T2 (de) 1997-06-19
JP3394248B2 (ja) 2003-04-07
KR0146718B1 (ko) 1998-08-01
DE69030009D1 (de) 1997-04-03
CA2071864A1 (en) 1991-05-01
JPH05501244A (ja) 1993-03-11
KR0157638B1 (ko) 1998-12-15
JP2986541B2 (ja) 1999-12-06
DE69030005D1 (de) 1997-04-03
EP0594572B1 (en) 1997-02-26

Similar Documents

Publication Publication Date Title
KR920703763A (ko) 석유 탄화수소 원료의 개질방법
KR910005858B1 (ko) 탄화수소 전환방법
CA1253111A (en) Sulfur removal system for protection of reforming catalyst
US5012021A (en) Process for the production of alkylaromatic hydrocarbons using solid catalysts
KR100557558B1 (ko) 탄화수소 혼합물로부터 방향족 탄화수소 및 액화석유가스를 제조하는 방법
US3948758A (en) Production of alkyl aromatic hydrocarbons
US5955641A (en) Method of making dimethylnaphthalenes
CA2291746A1 (en) Process for producing high grade diesel fuel
US3821123A (en) Olefin isomerization catalyst
US4190519A (en) Combination process for upgrading naphtha
US4390413A (en) Hydrocarbon upgrading process
US3843740A (en) Production of aromatics
EP1369465B1 (en) Process for the alkylation of benzene
CA1241348A (en) Method of producing high aromatic yields through aromatics removal and recycle of remaining material
GB2171718A (en) Olefin preparation
US4950385A (en) Reforming process for the catalytic conversion of petroleum fractions to a mixture of hydrocarbons rich in aromatics
US4650565A (en) Dehydrocyclization process
US4761509A (en) High selectivity process for dehydrogenation of paraffinic hydrocarbons
US4795844A (en) Process for conversion of light olefins to LPG and aromatics
US5019662A (en) Process for the production of white oil from heavy aromatic alkylate
JPS6247852B2 (ko)
US2626233A (en) Catalytic cracking of hydrocarbons in the presence of added gaseous olefins
KR0136583B1 (ko) 디메틸부탄-비함유 탄화수소 분류물의 개질방법
EP0256604B1 (en) Process for the isomerization of unbranched hydrocarbons
US4885420A (en) Process for the production of aromatic hydrocarbons from olefinic hydrocarbons

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20100429

Year of fee payment: 13

EXPY Expiration of term