IN143385B - - Google Patents

Info

Publication number
IN143385B
IN143385B IN1608/CAL/1975A IN1608CA1975A IN143385B IN 143385 B IN143385 B IN 143385B IN 1608CA1975 A IN1608CA1975 A IN 1608CA1975A IN 143385 B IN143385 B IN 143385B
Authority
IN
India
Application number
IN1608/CAL/1975A
Other languages
English (en)
Inventor
Ronald Parel Billings
John Carl Bonacci
Original Assignee
Mobil 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 Mobil Oil Corp filed Critical Mobil Oil Corp
Publication of IN143385B publication Critical patent/IN143385B/en

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
    • C10G59/00Treatment of naphtha by two or more reforming processes only or by at least one reforming process and at least one process which does not substantially change the boiling range of the naphtha
    • C10G59/02Treatment of naphtha by two or more reforming processes only or by at least one reforming process and at least one process which does not substantially change the boiling range of the naphtha plural serial stages only
    • 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
    • C10G45/00Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
    • C10G45/02Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing
    • C10G45/14Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing with moving solid particles
    • C10G45/16Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing with moving solid particles suspended in the oil, e.g. slurries
    • 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
    • C10G45/00Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
    • C10G45/58Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins
    • C10G45/60Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used
    • C10G45/64Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves
    • 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
    • C10G47/00Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions
    • C10G47/02Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used
    • C10G47/10Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used with catalysts deposited on a carrier
    • C10G47/12Inorganic carriers
    • C10G47/16Crystalline alumino-silicate carriers
    • 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
    • C10G2400/00Products obtained by processes covered by groups C10G9/00 - C10G69/14
    • C10G2400/02Gasoline

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IN1608/CAL/1975A 1974-06-17 1975-08-18 IN143385B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/479,930 US3948758A (en) 1974-06-17 1974-06-17 Production of alkyl aromatic hydrocarbons

Publications (1)

Publication Number Publication Date
IN143385B true IN143385B (de) 1977-11-12

Family

ID=23906011

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1608/CAL/1975A IN143385B (de) 1974-06-17 1975-08-18

Country Status (17)

Country Link
US (1) US3948758A (de)
JP (1) JPS6012325B2 (de)
BE (1) BE830177A (de)
CA (1) CA1034965A (de)
CS (1) CS189711B2 (de)
DD (1) DD118062A5 (de)
DE (1) DE2526887C2 (de)
ES (1) ES438590A1 (de)
FR (1) FR2274673A1 (de)
GB (1) GB1493038A (de)
IN (1) IN143385B (de)
IT (1) IT1039009B (de)
NL (1) NL182140C (de)
PL (1) PL98293B1 (de)
RO (1) RO74160A (de)
SU (1) SU1091850A3 (de)
ZA (1) ZA753884B (de)

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101598A (en) * 1975-10-03 1978-07-18 Imperial Chemical Industries Limited Isomerization of alkyl benzenes using a nu-1 zeolite catalyst
US4022681A (en) * 1975-12-24 1977-05-10 Atlantic Richfield Company Production of monoaromatics from light pyrolysis fuel oil
US4101596A (en) * 1977-01-10 1978-07-18 Mobil Oil Company Low pressure xylene isomerization
US4101595A (en) * 1977-05-02 1978-07-18 Mobil Oil Corporation Conversion of ethyl benzene to para xylene
US4216312A (en) * 1978-08-24 1980-08-05 Hoffmann-La Roche Inc. Furyl substituted polyenes
US4181811A (en) * 1978-12-14 1980-01-01 Mobil Oil Corporation Selective reaction of 1,4-disubstituted aromatic compounds
JPS55129232A (en) * 1979-03-29 1980-10-06 Teijin Yuka Kk Isomerization of xylenes
JPS5645422A (en) * 1979-09-21 1981-04-25 Teijin Yuka Kk Selective dealkylation process
JPS5645421A (en) * 1979-09-21 1981-04-25 Teijin Yuka Kk Dealkylation process
JPS57145821A (en) * 1981-03-06 1982-09-09 Teijin Yuka Kk Isomerizing method of xylene
US4877762A (en) * 1981-05-26 1989-10-31 Union Oil Company Of California Catalyst for simultaneous hydrotreating and hydrodewaxing of hydrocarbons
US4790927A (en) * 1981-05-26 1988-12-13 Union Oil Company Of California Process for simultaneous hydrotreating and hydrodewaxing of hydrocarbons
JPS58110645A (ja) * 1981-12-22 1983-07-01 Tanaka Kikinzoku Kogyo Kk 摺動接点材料
JPS5931718A (ja) * 1982-08-17 1984-02-20 Toray Ind Inc パラジアルキルベンゼンの選択的製造法
US4736054A (en) * 1983-12-27 1988-04-05 The Standard Oil Company Ammoxidation of paraffins to acrylonitrile in the presence of zeolite catalysts
US4898846A (en) * 1986-03-21 1990-02-06 W. R. Grace & Co.-Conn. Cracking catalysts with octane enhancement
JPS6456628A (en) * 1987-08-25 1989-03-03 Toray Industries Production of p-xylene
US5262576A (en) * 1989-03-23 1993-11-16 Chemical Research & Licensing Company Method for the alkylation of organic aromatic compounds
US5001296A (en) * 1990-03-07 1991-03-19 Mobil Oil Corp. Catalytic hydrodealkylation of aromatics
US5043513A (en) * 1990-03-07 1991-08-27 Mobil Oil Corp. Catalytic hydrodealkylation of aromatics
US5053573A (en) * 1990-09-14 1991-10-01 Mobil Oil Corporation Reduction of benzene content of reformate by reaction with cycle oils
US5082983A (en) * 1990-09-14 1992-01-21 Mobil Oil Corporation Reduction of benzene content of reformate in a catalytic cracking unit
TW200454B (de) * 1991-09-05 1993-02-21 Inst Of France Petroleum
USH1723H (en) * 1992-09-11 1998-04-07 Leuenberger; Ernest L. Process for producing gasoline blending components from jet range and heavier aromatics
US5406016A (en) * 1993-06-07 1995-04-11 Exxon Research And Engineering Company Transalkylation of benzene with heavy catalytic naphtha
FR2728894A1 (fr) * 1994-12-29 1996-07-05 Inst Francais Du Petrole Procede de separation de paraxylene comportant au moins deux etages de cristallisation a haute temperature
TW504501B (en) * 1995-02-10 2002-10-01 Mobil Oil Corp Process for converting feedstock comprising C9+ aromatic hydrocarbons to lighter aromatic products
FR2739375B1 (fr) * 1995-09-29 1997-12-05 Inst Francais Du Petrole Production de paraxylene a partir d'un effluent de dismutation paraselective du toluene par un procede de cristallisation associe a une adsorption en lit mobile simule
US5763714A (en) * 1997-01-08 1998-06-09 Catalytic Distillation Technologies Process and apparatus for the production and recovery of p-xylene
US5942651A (en) * 1997-06-13 1999-08-24 Mobile Oil Corporation Process for converting C9 + aromatic hydrocarbons to lighter aromatic products by transalkylation in the prescence of two zeolite-containing catalysts
US5866741A (en) * 1997-07-23 1999-02-02 Phillips Petroleum Company Transalkylation/hydrodealkylation of a C9 + aromatic compounds with a zeolite
US5866736A (en) * 1997-10-14 1999-02-02 Catalytic Distillation Technologies Process for the production of alkyl benzene
CA2341603A1 (en) * 1998-08-25 2000-03-02 Mobil Oil Corporation Para-xylene production process
US5977420A (en) * 1998-08-25 1999-11-02 Mobil Oil Corporation Dual-loop xylene isomerization process
WO2001074970A2 (en) 2000-04-03 2001-10-11 Chevron U.S.A. Inc. Improved conversion of syngas to distillate fuels
US7040397B2 (en) 2001-04-24 2006-05-09 Shell Oil Company Thermal processing of an oil shale formation to increase permeability of the formation
WO2003036038A2 (en) 2001-10-24 2003-05-01 Shell Internationale Research Maatschappij B.V. In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well
US7227048B2 (en) 2001-12-31 2007-06-05 Exxonmobil Chemical Patents Inc. Converting oxygenates to olefins over a catalyst comprising acidic molecular sieve of controlled carbon atom to acid site ratio
US7241716B2 (en) 2003-11-10 2007-07-10 Exxonmobil Chemical Patents Inc. Protecting catalytic sites of metalloaluminophosphate molecular sieves
US7504021B2 (en) * 2004-06-08 2009-03-17 Exxonmobil Research And Engineering Company FCC process using mesoporous catalyst
US7456123B2 (en) * 2004-06-08 2008-11-25 Exxonmobil Research And Engineering Company FCC catalyst
US7582203B2 (en) * 2004-08-10 2009-09-01 Shell Oil Company Hydrocarbon cracking process for converting gas oil preferentially to middle distillate and lower olefins
EP1781759A1 (de) * 2004-08-10 2007-05-09 Shell Internationale Research Maatschappij B.V. Verfahren und vorrichtung zur herstellung eines mitteldestillatprodukts und niederen olefinen aus einem kohlenwasserstoffeinsatzstoff
US7374660B2 (en) * 2004-11-19 2008-05-20 Exxonmobil Chemical Patents Inc. Process for selectively producing C3 olefins in a fluid catalytic cracking process with recycle of a C4 fraction to a secondary reaction zone separate from a dense bed stripping zone
KR101434226B1 (ko) 2005-10-24 2014-08-27 쉘 인터내셔날 리써취 마트샤피지 비.브이. 지층으로부터 실질적으로 전기절연된 도관을 갖는 온도제한 히터
CA2649348C (en) 2006-04-21 2014-09-09 Shell Internationale Research Maatschappij B.V. Sulfur barrier for use with in situ processes for treating formations
US7553998B2 (en) * 2006-06-21 2009-06-30 Uop Llc Energy-efficient process for para-xylene production
MX2009004127A (es) 2006-10-20 2009-06-05 Shell Int Research Calentamiento de formaciones de arenas de alquitran a temperaturas reductoras de la viscosidad.
US8920630B2 (en) * 2007-04-13 2014-12-30 Shell Oil Company Systems and methods for making a middle distillate product and lower olefins from a hydrocarbon feedstock
US8459359B2 (en) 2007-04-20 2013-06-11 Shell Oil Company Treating nahcolite containing formations and saline zones
US20100200460A1 (en) * 2007-04-30 2010-08-12 Shell Oil Company Systems and methods for making a middle distillate product and lower olefins from a hydrocarbon feedstock
KR101395454B1 (ko) * 2007-09-20 2014-05-15 삼성전자주식회사 그레이디드 굴절률을 갖는 광학 필름 및 이의 제조방법
RU2474606C2 (ru) * 2007-10-10 2013-02-10 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Системы и способы получения средних дистиллятов и низших олефинов из углеводородного сырья
US7866386B2 (en) 2007-10-19 2011-01-11 Shell Oil Company In situ oxidation of subsurface formations
RU2474605C2 (ru) * 2007-11-29 2013-02-10 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Установки и способы для получения среднедистиллятного продукта и низших олефинов из углеводородного исходного сырья
US8932454B2 (en) 2008-09-18 2015-01-13 Exxonmobile Research And Engineering Co. Mesoporous Y hydrocracking catalyst and associated hydrocracking processes
CN101830772B (zh) * 2009-03-09 2013-03-06 中国石油化工股份有限公司 对二甲苯生产的组合方法
US8715487B2 (en) * 2010-03-11 2014-05-06 Exxonmobil Research And Engineering Company Low small mesoporous peak cracking catalyst and method of using
WO2012051004A1 (en) 2010-10-11 2012-04-19 Shell Oil Company A process for catalytic cracking a fischer-tropsch derived feedstock with heat balanced operation of the catalytic cracking system
US20130165717A1 (en) 2011-12-23 2013-06-27 Exxonmobil Research And Engineering Company Process for increased production of fcc gasoline
US10239051B2 (en) 2013-07-04 2019-03-26 Total Research & Technology Feluy Catalyst compositions comprising small size molecular sieves crystals deposited on a porous material
BR112017014356B1 (pt) 2015-01-22 2022-04-26 Haldor Topsoe A/S Processo de metanol para hidrocarbonetos e planta para conversão de metanol para hidrocarbonetos
JP6566306B2 (ja) * 2015-06-24 2019-08-28 Jxtgエネルギー株式会社 芳香族転換反応用触媒及び芳香族炭化水素の製造方法
EP3294842A1 (de) 2015-06-30 2018-03-21 ExxonMobil Research and Engineering Company Brennstoffherstellung aus katalytischem schlammöl
RU2600453C1 (ru) * 2015-08-19 2016-10-20 Федеральное государственное бюджетное учреждение науки Институт катализа им. Г.К. Борескова Сибирского отделения Российской академии наук Способ метилирования бензола
CN108368432A (zh) 2015-12-17 2018-08-03 埃克森美孚研究工程公司 致密油残油的流化催化裂化
US10494577B2 (en) 2016-12-19 2019-12-03 Exxonmobil Research And Engineering Company Trim alkali metal desulfurization of refinery fractions
CA3059217A1 (en) 2017-04-07 2018-10-11 Exxonmobil Research And Engineering Company Resid upgrading with reduced severity fcc processing
US10703986B1 (en) 2019-01-30 2020-07-07 Exxonmobil Research And Engineering Company Selective oxidation using encapsulated catalytic metal
US10899971B2 (en) 2019-02-13 2021-01-26 Exxonmobil Research And Engineering Company Stabilization of zeolite beta for FCC processes
US11827579B2 (en) 2019-03-28 2023-11-28 ExxonMobil Technology and Engineering Company Processes for converting benzene and/or toluene via methylation
CN113574038A (zh) 2019-03-28 2021-10-29 埃克森美孚化学专利公司 经由甲基化转化苯和/或甲苯的方法
CN113574037A (zh) 2019-03-28 2021-10-29 埃克森美孚化学专利公司 用于经由甲基化转化苯和/或甲苯的方法和系统
WO2022104314A1 (en) 2020-11-12 2022-05-19 Exxonmobil Research And Engineering Company Fcc co-processing of biomass oil
WO2022220991A1 (en) 2021-04-14 2022-10-20 Exxonmobil Chemical Patents Inc. Chloride removal for plastic waste conversion
CA3218357A1 (en) 2021-05-14 2022-11-17 Cody M. DIAZ Products from fcc processing of high saturates and low heteroatom feeds
WO2022271471A1 (en) 2021-06-22 2022-12-29 ExxonMobil Technology and Engineering Company Fcc co-processing of biomass oil with hydrogen rich co-feed
WO2023044278A1 (en) 2021-09-16 2023-03-23 Exxonmobil Chemical Patents Inc. Xylene isomer separation processes
WO2023064684A1 (en) 2021-10-12 2023-04-20 Exxonmobil Chemical Patents Inc. Staged alkylation for producing xylene products
WO2023064483A2 (en) * 2021-10-14 2023-04-20 Virent, Inc. Systems and methods for producing high purity aromatics from a mixed aromatic feed stream
US11926793B2 (en) 2021-10-27 2024-03-12 ExxonMobil Technology and Engineering Company FCC co-processing of biomass oil
WO2023204947A1 (en) 2022-04-19 2023-10-26 Exxonmobil Chemical Patents Inc. Processes for oxidizing p-xylene or p-xylene-containing mixtures

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2795629A (en) * 1952-07-02 1957-06-11 Houdry Process Corp Disproportionation of alkylaromatic hydrocarbons
US2918505A (en) * 1953-11-02 1959-12-22 Union Oil Co Manufacture of para-xylene
US3037930A (en) * 1959-05-13 1962-06-05 California Research Corp Two-stage conversion process for the production of aromatic product fractions
US3597491A (en) * 1968-12-19 1971-08-03 Ashland Oil Inc Alkyl transfer of alkyl aromatics with croup vi-b metals on type y zeolites
US3702886A (en) * 1969-10-10 1972-11-14 Mobil Oil Corp Crystalline zeolite zsm-5 and method of preparing the same
US3790471A (en) * 1969-10-10 1974-02-05 Mobil Oil Corp Conversion with zsm-5 family of crystalline aluminosilicate zeolites
US3804746A (en) * 1970-04-23 1974-04-16 Mobil Oil Corp Hydrocarbon conversion using crystalline zeolite zsm-11 catalyst
US3729409A (en) * 1970-12-24 1973-04-24 Mobil Oil Corp Hydrocarbon conversion
US3767568A (en) * 1971-03-19 1973-10-23 Mobil Oil Corp Hydrocarbon conversion
GB1343172A (en) * 1971-08-31 1974-01-10 Bp Chem Int Ltd Dealkylation process
US3856872A (en) * 1973-09-13 1974-12-24 Mobil Oil Corp Xylene isomerization

Also Published As

Publication number Publication date
ZA753884B (en) 1977-01-26
CS189711B2 (en) 1979-04-30
FR2274673B1 (de) 1978-09-22
GB1493038A (en) 1977-11-23
DE2526887A1 (de) 1976-01-02
DE2526887C2 (de) 1986-09-18
DD118062A5 (de) 1976-02-12
FR2274673A1 (fr) 1976-01-09
JPS6012325B2 (ja) 1985-04-01
SU1091850A3 (ru) 1984-05-07
US3948758A (en) 1976-04-06
NL7507212A (nl) 1975-12-19
CA1034965A (en) 1978-07-18
AU8216675A (en) 1976-12-23
NL182140C (nl) 1988-01-18
RO74160A (ro) 1981-03-30
ES438590A1 (es) 1977-05-16
IT1039009B (it) 1979-12-10
NL182140B (nl) 1987-08-17
JPS5116619A (de) 1976-02-10
BE830177A (fr) 1975-12-12
PL98293B1 (pl) 1978-04-29

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