US3661543A - Fluid coking process incorporating gasification of product ore - Google Patents

Fluid coking process incorporating gasification of product ore Download PDF

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Publication number
US3661543A
US3661543A US880219A US3661543DA US3661543A US 3661543 A US3661543 A US 3661543A US 880219 A US880219 A US 880219A US 3661543D A US3661543D A US 3661543DA US 3661543 A US3661543 A US 3661543A
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Prior art keywords
zone
coke
process according
gasifying
gas
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Expired - Lifetime
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US880219A
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English (en)
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Arthur L Saxton
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ExxonMobil Technology and Engineering Co
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Exxon Research and Engineering Co
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B49/00—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated
    • C10B49/16—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with moving solid heat-carriers in divided form
    • C10B49/20—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with moving solid heat-carriers in divided form in dispersed form
    • C10B49/22—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with moving solid heat-carriers in divided form in dispersed form according to the "fluidised bed" technique
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B55/00—Coking mineral oils, bitumen, tar, and the like or mixtures thereof with solid carbonaceous material
    • C10B55/02—Coking mineral oils, bitumen, tar, and the like or mixtures thereof with solid carbonaceous material with solid materials
    • C10B55/04—Coking mineral oils, bitumen, tar, and the like or mixtures thereof with solid carbonaceous material with solid materials with moving solid materials
    • C10B55/08—Coking mineral oils, bitumen, tar, and the like or mixtures thereof with solid carbonaceous material with solid materials with moving solid materials in dispersed form
    • C10B55/10—Coking mineral oils, bitumen, tar, and the like or mixtures thereof with solid carbonaceous material with solid materials with moving solid materials in dispersed form according to the "fluidised bed" technique
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/48—Apparatus; Plants
    • C10J3/482—Gasifiers with stationary fluidised bed
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/82—Gas withdrawal means
    • C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/093—Coal
    • C10J2300/0933—Coal fines for producing water gas
    • 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
    • Y02P20/10—Process efficiency

Definitions

  • ABSTRACT A heavy carbonaceous material such as petroleum residuum 1,050" F.+) is converted completely to distillate and gaseous products by an integrated process consisting of a conventional fluid coking reactor, a circulating coke heater, and a gasifier in which the coke formed in the reactor is converted to an H and CO rich gas by reaction with steam and an oxygen-containing gas. The process can also be operated by yield a net product of good quality coke.
  • a circulating stream of coke is stripped in the bottom zone of the reactor and transferred to a coke burner where sufficient air is injected for burning part of the coke and heating the remainder sufficiently to satisfy the heat requirements of the coking reactor when the unburned hot coke is recycled thereto. Net coke above that consumed in the burner is withdrawn as product coke.
  • the market for this coke has been limited with the result that attempts have been made to increase its value by subsequent treatment such as high temperature calcining and briquetting.
  • the coke can be converted to an H and CO rich gas in a subsequent processing step by reaction with steam and an oxygen-containing gas. None of these subsequent coke processing steps has been found to be economically attractive for general use.
  • the combustion products from the burner have an undesirably high SO content which is an atmospheric pollutant.
  • entrained coke will also pass to the heater'to provide additional heat for the coker-reactor.
  • Air, or other oxygen-containing gas may be added to the heating zone to burn a portion of the CO and hydrogenand thus provide any additional heat which is required to satisfy the coking reactor heat requirement.
  • the gas product from the heater is rich in H, and CO and is an attractive feed gas for manufacturing a concentrated H stream via the well-known'water-gas-shift reaction, or' for BRIEF REFERENCE TO THE DRAWING
  • the invention will be better understood by reference to the accompanying drawing which shows in diagrammatic form suitable apparatus for carrying out a preferred embodiment of the invention.
  • a fluidizing gas e.g., steam, is admitted to the base of the vessel through line 9 in amounts sufficient to obtain superficial fluidizing gas velocities in the range of 0.5 to 4 ft./sec. Coke at a temperature to 300 F.
  • coking temperature in the range of 900 to l,200 F.
  • the lower portion of the coker serves as a stripping zone to remove occluded hydrocarbons from the coke.
  • Coke is withdrawn from this stripping zone by line 11 and is circulated to heater l2.
  • Conversion products are passed through cyclone l3 to remove entrained solids which are returned to the coker through dipleg 14.
  • the vapors leave the cyclone through line 15 and pass into scrubber-fractionator 16 where they are fractionated to gas leaving by line 17 naphtha by line 18 and gas oil by line 19.
  • a heavy stream is removed through line 20, a portion of which is circulated through conventional heat removal exchangers and returned to scrubber as pumparound by line 21; another portion is recycled to the coker by line 22.
  • the small amount of fine solid particles which pass through the reactor cyclone is returned to the coker reactor with this recycle stream.
  • stripped coke from the reactor (commonly called cold coke) is introduced by line 1 1 to a fluid bed of hot coke having .a level L.
  • the bed is heated by fuel gas passing upward through disc and donut distributor 23 and egg crate baffle 24.
  • Hot coke is removed from the fluidized bed in heater 12 by line 25 and a portion is passed by line 26 to a bed of fluidized coke having a level L in gasifier 27. Another portion is recycled to the coker by line 10 to supply heat thereto.
  • the coke introduced to'the fluidized bed in the gasifier 27 is contacted with steam introduced by line28and air or oxygen by line 29 where the following reactions take place:
  • the gases formed by the above reactions pass upwardly through the gasifier and into, the heater by way of the narrow neck portion 30. Additional air or oxygen may, be admitted to the heater by lines 31 to burn a small portionof these gases .and supply additional heat to the coke in the heater.
  • Net heating value on a dry basis is 84.6 BTU/SCF.
  • a typical composition of the gas Net heating value on dry basis is 224 BTU/SCF.
  • Small quantities of cracked hydrocarbon materials will also be present in the product gases and will increase the heating value of the product gases. The quantity and composition will vary somewhat depending on the coker reactor feed and on reaction and stripping conditions.
  • Some net product coke may be withdrawn if desired through line 33. Agglomerates of foreign solids, which mayform in some cases, can also be purged via this line through an elutriator from which any included coke can be blown back into the gasifier.
  • a captive bed of fluidized inert particles such as alundum or mullite, may be used in the gasifier 27.
  • This can. be advantageous for systems in which substantial quantities of very fine about p.) particles of foreign solids are released inthe gasifier such that very low velocities would be required in order to maintain a stable fluidized bed.
  • Such a captive bed can be fluidized readily without significant entrainment of the captive bed particles at superficial velocities substantially higher than the entrainment velocity of line particles released from the coke.
  • Such a captive bed provides a well mixed reaction zone in the gasifier in which the carbon can be burned and the foreign solids released without causing severe fluidization problems. Some equilibrium concentration of the fine particles are retained in the gasifier bed, thus providing-sulficientresidence time for complete gasification of the carbon before the bulk of the particles are entrained by the exit gases.
  • the hot gasifier products, including entrained solid particles pass through a heat exchangebed similar to the bed described in connection with heater 12. In this heat exchange bed the coke from the reactor would be heated as required to satisfy the reactor heat balance.
  • This type of process would be preferable when processing feeds containing much higher solids than are normally present in petroleum residuum, e.g., bitumen from coal, tar sands or shale which may contain -20 percent inert solids.
  • the solids, such as fine sand, metal oxides, or the like, contained in the bitumen are released in the captive bed in the gasifier and being smaller than the coke are more easily entrained out and carried upwardly through the heat exchange bed. These fine particles will also pass through the conventional cyclones in the heater vessel but can be recovered by a downstream electrical precipitator.
  • Steam/air rates are controlled to maintain the gasifier bed at a temperature of about 1,800" F.
  • the heater operates at a pressure of 20 psig and the gasifier at 25 psig.
  • Heater section heat balance Air/steam Oxygen/steam Heat load:
  • An integrated fluid coking-gasification process which comprises:
  • a carbonaceous material in a low pressure fluid coking zone comprising a fluid bed of particles operating at a temperature between about 900 and about l,200 F. to produce coke and light hydrocarbon material, some of which may adhere to said coke; i a a? heating to a higher temperature said coke in a low pressure heating zone comprising a separate fluid bed of particles;

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Coke Industry (AREA)
  • Hydrogen, Water And Hydrids (AREA)
US880219A 1969-11-26 1969-11-26 Fluid coking process incorporating gasification of product ore Expired - Lifetime US3661543A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88021969A 1969-11-26 1969-11-26

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US3661543A true US3661543A (en) 1972-05-09

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US (1) US3661543A (enrdf_load_stackoverflow)
JP (1) JPS4923570B1 (enrdf_load_stackoverflow)
CA (1) CA935106A (enrdf_load_stackoverflow)
DE (1) DE2054125C3 (enrdf_load_stackoverflow)
FR (1) FR2069613A5 (enrdf_load_stackoverflow)
GB (1) GB1325171A (enrdf_load_stackoverflow)
MY (1) MY7500238A (enrdf_load_stackoverflow)
NL (1) NL165714C (enrdf_load_stackoverflow)

Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816084A (en) * 1970-04-16 1974-06-11 Exxon Research Engineering Co Cokeless coker with recycle of coke from gasifier to heater
US3907662A (en) * 1973-02-15 1975-09-23 Mitsui Shipbuilding Eng Process of preparing desulfurized light oil and fuel gas from heavy oil
US3933445A (en) * 1973-10-15 1976-01-20 Exxon Research And Engineering Company Process and apparatus for preventing deposits on a gas inlet nozzle
US4039392A (en) * 1973-10-04 1977-08-02 Singh Alamjit D Process and apparatus for producing char and co-products from coal and the like
US4055484A (en) * 1976-05-14 1977-10-25 Exxon Research & Engineering Co. Elutriation in a fluid coking process
US4077869A (en) * 1975-10-21 1978-03-07 Exxon Research & Engineering Co. Integrated coking and gasification process
US4097361A (en) * 1976-08-24 1978-06-27 Arthur G. Mckee & Company Production of liquid and gaseous fuel products from coal or the like
US4113602A (en) * 1976-06-08 1978-09-12 Exxon Research & Engineering Co. Integrated process for the production of hydrocarbons from coal or the like in which fines from gasifier are coked with heavy hydrocarbon oil
US4172857A (en) * 1978-04-03 1979-10-30 Arthur G. Mckee & Company Process and apparatus for ethylene production
US4203759A (en) * 1978-05-01 1980-05-20 Exxon Research & Engineering Co. Process for the preparation of a vanadium-containing metallic ash concentrate
US4213848A (en) * 1978-07-27 1980-07-22 Exxon Research & Engineering Co. Fluid coking and gasification process
US4331529A (en) * 1980-11-05 1982-05-25 Exxon Research & Engineering Co. Fluid coking and gasification process
US4379046A (en) * 1981-06-11 1983-04-05 Exxon Research & Engineering Co. Integrated two stage coking and steam cracking process and apparatus therefor
US4411769A (en) * 1982-03-23 1983-10-25 Exxon Research & Engineering Co. Integrated two stage coking and steam cracking process and apparatus therefor
US4497705A (en) * 1983-08-17 1985-02-05 Exxon Research & Engineering Co. Fluid coking with solvent separation of recycle oil
US4528088A (en) * 1983-11-30 1985-07-09 Exxon Research And Engineering Co. Coking with solvent separation of recycle oil using coker naphtha and solvent recovery
US4530755A (en) * 1983-10-31 1985-07-23 Exxon Research And Engineering Co. Coking with solvent separation of recycle oil using coker naphtha
US4542114A (en) * 1982-08-03 1985-09-17 Air Products And Chemicals, Inc. Process for the recovery and recycle of effluent gas from the regeneration of particulate matter with oxygen and carbon dioxide
US4711968A (en) * 1986-10-03 1987-12-08 Exxon Research & Engineering Co. Process for the hydrofomylation of sulfur-containing thermally cracked petroleum residua
US4863586A (en) * 1987-05-07 1989-09-05 Veba Oel Entwicklungs-Gesellschaft Mbh Process for recovery of low-temperature carbonization oil
US4914246A (en) * 1986-10-24 1990-04-03 Exxon Research & Engineering Company Alkylphenols and derivatives thereof via phenol alkylation by cracked petroleum distillates
US4922028A (en) * 1986-10-03 1990-05-01 Exxon Research & Engineering Company Process for the hydroformylation of sulfur-containing thermally cracked petroleum residue and novel products thereof
US6168709B1 (en) 1998-08-20 2001-01-02 Roger G. Etter Production and use of a premium fuel grade petroleum coke
US20060032788A1 (en) * 1999-08-20 2006-02-16 Etter Roger G Production and use of a premium fuel grade petroleum coke
RU2282657C1 (ru) * 2004-12-22 2006-08-27 Государственное унитарное предприятие "Институт нефтехимпереработки Республики Башкортостан" (ГУП "ИНХП РБ") Аппарат подготовки нефтяного сырья для термодеструктивных процессов
US20090145810A1 (en) * 2006-11-17 2009-06-11 Etter Roger G Addition of a Reactor Process to a Coking Process
US20090152165A1 (en) * 2006-11-17 2009-06-18 Etter Roger G System and Method for Introducing an Additive into a Coking Process to Improve Quality and Yields of Coker Products
US20090209799A1 (en) * 2006-11-17 2009-08-20 Etter Roger G System and Method of Introducing an Additive with a Unique Catalyst to a Coking Process
US20100170827A1 (en) * 2006-11-17 2010-07-08 Etter Roger G Selective Cracking and Coking of Undesirable Components in Coker Recycle and Gas Oils
US20120063961A1 (en) * 2010-05-25 2012-03-15 Exxonmobil Research And Engineering Company Fluid injection nozzle for fluid bed reactors
RU2532195C2 (ru) * 2013-01-10 2014-10-27 Государственное унитарное предприятие "Институт нефтехимпереработки Республики Башкортостан" (ГУП "ИНХП РБ") Аппарат подготовки сырья коксования для получения нефтяного кокса
US9011672B2 (en) 2006-11-17 2015-04-21 Roger G. Etter System and method of introducing an additive with a unique catalyst to a coking process
WO2015195326A1 (en) 2014-06-20 2015-12-23 Exxonmobil Research And Engineering Company Fluidized bed coking with fuel gas production
US20150376520A1 (en) * 2014-06-28 2015-12-31 Saudi Arabian Oil Company Energy efficient gasification based multi generation apparatus employing energy efficient gasification plant-directed process schemes and related methods
WO2018111543A1 (en) 2016-12-15 2018-06-21 Exxonmobil Research And Engineering Company Efficient process for converting heavy oil to gasoline
WO2019099248A1 (en) 2017-11-14 2019-05-23 Exxonmobil Research And Engineering Company Fluidized coking with increased production of liquids
US10400177B2 (en) 2017-11-14 2019-09-03 Exxonmobil Research And Engineering Company Fluidized coking with increased production of liquids
US10407631B2 (en) 2017-11-14 2019-09-10 Exxonmobil Research And Engineering Company Gasification with enriched oxygen for production of synthesis gas
WO2020041001A1 (en) 2018-08-22 2020-02-27 Exxonmobil Research And Engineering Company Waste upgrading and related systems
US10703984B2 (en) 2018-11-09 2020-07-07 Exxonmobil Research And Engineering Company Fluidized coking with oxygen-containing stripping gas
CN111876181A (zh) * 2020-07-28 2020-11-03 胜帮科技股份有限公司 一种油页岩干馏装置以及干馏方法
WO2021086509A1 (en) 2019-11-01 2021-05-06 Exxonmobil Chemical Patents Inc. Processes and systems for quenching pyrolysis effluents
US11014810B1 (en) 2020-01-29 2021-05-25 Exxonmobil Research And Engineering Company Carbon capture, waste upgrade, and chemicals production using improved flexicoking
WO2021150285A1 (en) 2020-01-20 2021-07-29 Exxonmobil Research And Engineering Company Ethanol production methods and systems that integrate flexicoking and fermentation
CN114381305A (zh) * 2022-01-20 2022-04-22 浙江大学 一种双流化床物料循环控制系统及控制方法
US20220372375A1 (en) * 2019-11-05 2022-11-24 Exxonmobil Chemical Patents Inc. Co-processing of waste plastic in cokers
US12365828B2 (en) 2021-05-11 2025-07-22 ExxonMobil Technology and Engineering Company Polyolefin-coke composite granules as a hydraulic fracturing proppant

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1395953A (en) * 1972-07-19 1975-05-29 Exxon Research Engineering Co Fluid coking with recycle of coke from gasifier to coker
FR2194763A1 (en) * 1972-08-01 1974-03-01 Exxon Research Engineering Co Gas prodn from hydrocarbons - in fluidised coke bed supplied with hot coke from coke gasification plant
DE3144919A1 (de) * 1981-11-12 1983-05-19 Fritz Werner Industrie-Ausrüstungen GmbH, 6222 Geisenheim "verfahren zum aufbereiten von biomassen und einrichtung zur durchfuehrung des verfahrens"
DE3217422A1 (de) * 1982-05-08 1983-11-10 Fritz Werner Industrie-Ausrüstungen GmbH, 6222 Geisenheim Verfahren und einrichtung zum aufbereiten zerkleinerter kohle durch vergasen mittels eines mehrkammer-reaktors
DE3644775A1 (de) * 1986-12-23 1988-07-14 Korf Engineering Gmbh Verfahren zur herstellung von roheisen
DE19807988B4 (de) * 1998-02-26 2007-11-08 Wolf, Bodo, Dr.-Ing. Verfahren zur Abtrennung von flüchtigen Bestandteilen aus festen Brennstoffen

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US2605215A (en) * 1949-01-15 1952-07-29 Texas Co Conversion of heavy carbonaceous oils to motor fuels, fuel gas, and synthesis gas
US2702267A (en) * 1951-04-27 1955-02-15 Hydrocarbon Research Inc Hydrocarbon conversion process and the stripping of the fouled catalyst with regeneration gases containing hydrogen
US2984618A (en) * 1958-07-21 1961-05-16 Exxon Research Engineering Co Coking and fractionating process
US3542532A (en) * 1968-01-11 1970-11-24 Exxon Research Engineering Co Process for the production of hydrogen from petroleum coke

Patent Citations (5)

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US2600430A (en) * 1947-08-09 1952-06-17 Hydrocarbon Research Inc Conversion of carbonaceous materials
US2605215A (en) * 1949-01-15 1952-07-29 Texas Co Conversion of heavy carbonaceous oils to motor fuels, fuel gas, and synthesis gas
US2702267A (en) * 1951-04-27 1955-02-15 Hydrocarbon Research Inc Hydrocarbon conversion process and the stripping of the fouled catalyst with regeneration gases containing hydrogen
US2984618A (en) * 1958-07-21 1961-05-16 Exxon Research Engineering Co Coking and fractionating process
US3542532A (en) * 1968-01-11 1970-11-24 Exxon Research Engineering Co Process for the production of hydrogen from petroleum coke

Cited By (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816084A (en) * 1970-04-16 1974-06-11 Exxon Research Engineering Co Cokeless coker with recycle of coke from gasifier to heater
US3907662A (en) * 1973-02-15 1975-09-23 Mitsui Shipbuilding Eng Process of preparing desulfurized light oil and fuel gas from heavy oil
US4039392A (en) * 1973-10-04 1977-08-02 Singh Alamjit D Process and apparatus for producing char and co-products from coal and the like
US3933445A (en) * 1973-10-15 1976-01-20 Exxon Research And Engineering Company Process and apparatus for preventing deposits on a gas inlet nozzle
US4077869A (en) * 1975-10-21 1978-03-07 Exxon Research & Engineering Co. Integrated coking and gasification process
US4055484A (en) * 1976-05-14 1977-10-25 Exxon Research & Engineering Co. Elutriation in a fluid coking process
US4113602A (en) * 1976-06-08 1978-09-12 Exxon Research & Engineering Co. Integrated process for the production of hydrocarbons from coal or the like in which fines from gasifier are coked with heavy hydrocarbon oil
US4097361A (en) * 1976-08-24 1978-06-27 Arthur G. Mckee & Company Production of liquid and gaseous fuel products from coal or the like
US4172857A (en) * 1978-04-03 1979-10-30 Arthur G. Mckee & Company Process and apparatus for ethylene production
US4203759A (en) * 1978-05-01 1980-05-20 Exxon Research & Engineering Co. Process for the preparation of a vanadium-containing metallic ash concentrate
US4213848A (en) * 1978-07-27 1980-07-22 Exxon Research & Engineering Co. Fluid coking and gasification process
US4331529A (en) * 1980-11-05 1982-05-25 Exxon Research & Engineering Co. Fluid coking and gasification process
US4379046A (en) * 1981-06-11 1983-04-05 Exxon Research & Engineering Co. Integrated two stage coking and steam cracking process and apparatus therefor
US4411769A (en) * 1982-03-23 1983-10-25 Exxon Research & Engineering Co. Integrated two stage coking and steam cracking process and apparatus therefor
US4542114A (en) * 1982-08-03 1985-09-17 Air Products And Chemicals, Inc. Process for the recovery and recycle of effluent gas from the regeneration of particulate matter with oxygen and carbon dioxide
US4497705A (en) * 1983-08-17 1985-02-05 Exxon Research & Engineering Co. Fluid coking with solvent separation of recycle oil
US4530755A (en) * 1983-10-31 1985-07-23 Exxon Research And Engineering Co. Coking with solvent separation of recycle oil using coker naphtha
US4528088A (en) * 1983-11-30 1985-07-09 Exxon Research And Engineering Co. Coking with solvent separation of recycle oil using coker naphtha and solvent recovery
US4922028A (en) * 1986-10-03 1990-05-01 Exxon Research & Engineering Company Process for the hydroformylation of sulfur-containing thermally cracked petroleum residue and novel products thereof
US4711968A (en) * 1986-10-03 1987-12-08 Exxon Research & Engineering Co. Process for the hydrofomylation of sulfur-containing thermally cracked petroleum residua
US4914246A (en) * 1986-10-24 1990-04-03 Exxon Research & Engineering Company Alkylphenols and derivatives thereof via phenol alkylation by cracked petroleum distillates
US4863586A (en) * 1987-05-07 1989-09-05 Veba Oel Entwicklungs-Gesellschaft Mbh Process for recovery of low-temperature carbonization oil
US6168709B1 (en) 1998-08-20 2001-01-02 Roger G. Etter Production and use of a premium fuel grade petroleum coke
US20060032788A1 (en) * 1999-08-20 2006-02-16 Etter Roger G Production and use of a premium fuel grade petroleum coke
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JPS4923570B1 (enrdf_load_stackoverflow) 1974-06-17
NL165714B (nl) 1980-12-15
DE2054125A1 (enrdf_load_stackoverflow) 1971-06-03
CA935106A (en) 1973-10-09
DE2054125C3 (de) 1978-05-18
MY7500238A (en) 1975-12-31
FR2069613A5 (enrdf_load_stackoverflow) 1971-09-03
GB1325171A (en) 1973-08-01
NL165714C (nl) 1981-05-15
NL7016069A (enrdf_load_stackoverflow) 1971-05-28

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