RU2009104324A - METHOD FOR IMPROVING OLEFIN QUALITY WITH REGENERATION OF THE PROTECTIVE LAYER - Google Patents

METHOD FOR IMPROVING OLEFIN QUALITY WITH REGENERATION OF THE PROTECTIVE LAYER Download PDF

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RU2009104324A
RU2009104324A RU2009104324/04A RU2009104324A RU2009104324A RU 2009104324 A RU2009104324 A RU 2009104324A RU 2009104324/04 A RU2009104324/04 A RU 2009104324/04A RU 2009104324 A RU2009104324 A RU 2009104324A RU 2009104324 A RU2009104324 A RU 2009104324A
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protective layer
feed stream
reactor
stream
contaminants
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RU2009104324/04A
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Бенджамин С. УМАНСКИ (US)
Бенджамин С. УМАНСКИ
Майкл К. КЛАРК (US)
Майкл К. КЛАРК
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ЭкссонМобил Рисерч энд Энджиниринг Компани (US)
ЭкссонМобил Рисерч энд Энджиниринг Компани
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING 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
    • C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/34—Regenerating or reactivating
    • B01J20/3408—Regenerating or reactivating of aluminosilicate molecular sieves
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/7038—MWW-type, e.g. MCM-22, ERB-1, ITQ-1, PSH-3 or SSZ-25
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/12—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
    • C07C7/13—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING 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
    • C10G25/00—Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents
    • C10G25/02—Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents with ion-exchange material
    • C10G25/03—Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents with ion-exchange material with crystalline alumino-silicates, e.g. molecular sieves
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING 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
    • C10G25/00—Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents
    • C10G25/02—Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents with ion-exchange material
    • C10G25/03—Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents with ion-exchange material with crystalline alumino-silicates, e.g. molecular sieves
    • C10G25/05—Removal of non-hydrocarbon compounds, e.g. sulfur compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING 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
    • C10G25/00—Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents
    • C10G25/12—Recovery of used adsorbent
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING 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
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/10—Feedstock materials
    • C10G2300/1088—Olefins
    • C10G2300/1092—C2-C4 olefins
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING 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
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/10—Feedstock materials
    • C10G2300/1096—Aromatics or polyaromatics
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING 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
    • C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
    • C10G2400/02—Gasoline
    • 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
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Materials Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1. Способ регенерации защитного слоя из пористого твердого материала, применяемого для удаления загрязняющих веществ, включающих соединения серы, из сырьевого потока, содержащего легкие олефины из нефтеперерабатывающей установки, поступающего в реактор, содержащий неподвижный слой твердого, пористого катализатора на основе молекулярного сита, в котором сырьевой поток преобразуют в кипящие в более высоком интервале температур углеводородные продукты; включающий десорбцию загрязняющих веществ сырьевого потока, которые присутствуют на твердом материале, путем пропускания через защитный слой потока углеводородного продукта из реактора. ! 2. Способ по п.1, в котором сырьевой поток представляет собой поток, полученный при каталитическом крекинге углеводородного сырья и содержащий С3-С4 олефины. ! 3. Способ по п.1, в котором сырьевой поток включает С3-С4 олефины, полученные при каталитическом крекинге углеводородного сырья, и ароматические соединения, включающие бензол. ! 4. Способ по п.1, в котором сырьевой поток проходит через неподвижный слой катализатора, содержащий цеолит MWW. ! 5. Способ по п.1, в котором материал защитного слоя содержит молекулярное сито, способное вступать в реакцию с загрязняющими веществами в сырьевом потоке. ! 6. Способ по п.5, в котором материал защитного слоя содержит цеолит MWW. ! 7. Способ по п.1, в котором углеводород из реактора, пропускаемый через материал защитного слоя, включает поток легких парафинов. ! 8. Способ по п.1, в котором углеводород из реактора, пропускаемый через материал защитного слоя, включает алкилароматические углеводороды. ! 9. Способ по п.1, в котором материал защитного слоя 1. A method of regenerating a protective layer of porous solid material used to remove contaminants, including sulfur compounds, from a feed stream containing light olefins from a refinery plant entering a reactor containing a fixed bed of solid, porous molecular sieve catalyst, in which the feed stream is converted into hydrocarbon products boiling in a higher temperature range; comprising desorption of feed stream contaminants that are present on the solid material by passing a hydrocarbon product stream from the reactor through a containment layer. ! 2. The method according to claim 1, in which the feed stream is a stream obtained by catalytic cracking of hydrocarbon feedstocks and containing C3-C4 olefins. ! 3. The method according to claim 1, in which the feed stream includes C3-C4 olefins obtained by catalytic cracking of hydrocarbon feedstocks, and aromatic compounds including benzene. ! 4. The method of claim 1, wherein the feed stream passes through a fixed bed of catalyst containing MWW zeolite. ! 5. The method of claim 1, wherein the barrier layer material comprises a molecular sieve capable of reacting with contaminants in the feed stream. ! 6. The method according to claim 5, in which the material of the protective layer contains MWW zeolite. ! 7. The method of claim 1, wherein the hydrocarbon from the reactor passed through the barrier material comprises a light paraffin stream. ! 8. The method of claim 1, wherein the hydrocarbon from the reactor passed through the containment layer material comprises alkyl aromatic hydrocarbons. ! 9. The method according to claim 1, in which the material of the protective layer

Claims (20)

1. Способ регенерации защитного слоя из пористого твердого материала, применяемого для удаления загрязняющих веществ, включающих соединения серы, из сырьевого потока, содержащего легкие олефины из нефтеперерабатывающей установки, поступающего в реактор, содержащий неподвижный слой твердого, пористого катализатора на основе молекулярного сита, в котором сырьевой поток преобразуют в кипящие в более высоком интервале температур углеводородные продукты; включающий десорбцию загрязняющих веществ сырьевого потока, которые присутствуют на твердом материале, путем пропускания через защитный слой потока углеводородного продукта из реактора.1. The method of regeneration of the protective layer of a porous solid material used to remove contaminants, including sulfur compounds, from a feed stream containing light olefins from an oil refinery entering a reactor containing a fixed bed of a solid, porous molecular sieve catalyst in which the feed stream is converted to hydrocarbon products boiling in a higher temperature range; comprising desorption of contaminants in the feed stream that are present on the solid material by passing a hydrocarbon product stream from the reactor through the protective layer. 2. Способ по п.1, в котором сырьевой поток представляет собой поток, полученный при каталитическом крекинге углеводородного сырья и содержащий С3-С4 олефины.2. The method according to claim 1, in which the feed stream is a stream obtained by catalytic cracking of a hydrocarbon feed and containing C3-C4 olefins. 3. Способ по п.1, в котором сырьевой поток включает С3-С4 олефины, полученные при каталитическом крекинге углеводородного сырья, и ароматические соединения, включающие бензол.3. The method according to claim 1, in which the feed stream includes C3-C4 olefins obtained by catalytic cracking of hydrocarbons, and aromatic compounds, including benzene. 4. Способ по п.1, в котором сырьевой поток проходит через неподвижный слой катализатора, содержащий цеолит MWW.4. The method according to claim 1, in which the feed stream passes through a fixed catalyst bed containing MWW zeolite. 5. Способ по п.1, в котором материал защитного слоя содержит молекулярное сито, способное вступать в реакцию с загрязняющими веществами в сырьевом потоке.5. The method according to claim 1, in which the material of the protective layer contains a molecular sieve capable of reacting with contaminants in the feed stream. 6. Способ по п.5, в котором материал защитного слоя содержит цеолит MWW.6. The method according to claim 5, in which the material of the protective layer contains zeolite MWW. 7. Способ по п.1, в котором углеводород из реактора, пропускаемый через материал защитного слоя, включает поток легких парафинов.7. The method according to claim 1, in which the hydrocarbon from the reactor, passed through the material of the protective layer, includes a stream of light paraffins. 8. Способ по п.1, в котором углеводород из реактора, пропускаемый через материал защитного слоя, включает алкилароматические углеводороды.8. The method according to claim 1, in which the hydrocarbon from the reactor, passed through the material of the protective layer, includes alkyl aromatic hydrocarbons. 9. Способ по п.1, в котором материал защитного слоя включает молекулярное сито, способное вступать в реакцию с загрязняющими веществами в сырьевом потоке.9. The method according to claim 1, in which the material of the protective layer includes a molecular sieve capable of reacting with contaminants in the feed stream. 10. Способ по п.1, в котором поток углеводородного продукта из реактора пропускают через защитный слой при температуре по меньшей мере 100°С.10. The method according to claim 1, in which the flow of the hydrocarbon product from the reactor is passed through the protective layer at a temperature of at least 100 ° C. 11. Способ конверсии сырьевого потока, включающего легкие олефины из нефтеперерабатывающей установки и содержащего соединения серы в качестве загрязняющих веществ, с получением углеводородного продукта интервала кипения бензина, путем пропускания сырьевого потока в реакторе через неподвижный слой твердого, пористого катализатора на основе молекулярного сита при повышенной температуре, дополнительно включающий удаление загрязняющих веществ из сырьевого потока путем пропускания сырьевого потока, перед подачей его в реактор, через неподвижный защитный слой из твердого, пористого материала и последующую десорбцию загрязняющих веществ сырьевого потока, которые присутствуют на твердом материале, путем пропускания потока углеводородного продукта из реактора через защитный слой.11. A method for converting a feed stream comprising light olefins from an oil refinery and containing sulfur compounds as contaminants to produce a hydrocarbon product of the gas boiling range by passing the feed stream in the reactor through a fixed bed of a solid, porous molecular sieve catalyst at an elevated temperature , further comprising removing contaminants from the feed stream by passing the feed stream, before feeding it to the reactor, through odvizhny protective layer of hard, porous material, and subsequent desorption of the feed stream of contaminants which are present on the solid material by passing a stream of hydrocarbon product from the reactor through the protective layer. 12. Способ по п.11, в котором сырьевой поток представляет собой поток, полученный при каталитическом крекинге углеводородного сырья и содержащий С3-С4 олефины.12. The method according to claim 11, in which the feed stream is a stream obtained by catalytic cracking of a hydrocarbon feed and containing C3-C4 olefins. 13. Способ по п.11, в котором сырьевой поток включает поток, полученный в ходе каталитического крекинга углеводородного сырья и содержащий С3-С4 олефины, и поток продукта реформинга, содержащий бензол.13. The method according to claim 11, in which the feed stream includes a stream obtained during the catalytic cracking of hydrocarbons and containing C3-C4 olefins, and a reforming product stream containing benzene. 14. Способ по п.11, в котором сырьевой поток пропускают через неподвижный слой катализатора, содержащий цеолит MWW.14. The method according to claim 11, in which the feed stream is passed through a fixed catalyst bed containing MWW zeolite. 15. Способ по п.11, в котором материал защитного слоя содержит молекулярное сито, способное вступать в реакцию с загрязняющими веществами в сырьевом потоке.15. The method according to claim 11, in which the material of the protective layer contains a molecular sieve capable of reacting with contaminants in the feed stream. 16. Способ по п.15, в котором материал защитного слоя содержит цеолит MWW.16. The method according to clause 15, in which the material of the protective layer contains zeolite MWW. 17. Способ по п.11, в котором поток углеводородного продукта из реактора пропускают через защитный слой при температуре по меньшей мере 100°С.17. The method according to claim 11, in which the flow of the hydrocarbon product from the reactor is passed through the protective layer at a temperature of at least 100 ° C. 18. Способ по п.11, в котором поток углеводородного продукта из реактора пропускают через защитный слой при температуре 200-300°С.18. The method according to claim 11, in which the flow of the hydrocarbon product from the reactor is passed through the protective layer at a temperature of 200-300 ° C. 19. Способ по п.11, в котором загрязняющие вещества удаляют из сырьевого потока путем пропускания сырьевого потока, перед подачей его в реактор, через неподвижный защитный слой из твердого, пористого материала в первой из по меньшей мере двух емкостей с защитным слоем, установленных перед реактором и присоединенных к входу в реактор, и загрязняющие вещества десорбируют из твердого, пористого материала путем пропускания потока углеводородного продукта из реактора через материал защитного слоя, находящийся во второй из емкостей с защитным слоем.19. The method according to claim 11, in which the contaminants are removed from the feed stream by passing the feed stream, before feeding it into the reactor, through a fixed protective layer of solid, porous material in the first of at least two containers with a protective layer installed before the reactor and pollutants attached to the inlet of the reactor are desorbed from the solid, porous material by passing a stream of hydrocarbon product from the reactor through the material of the protective layer located in the second of the containers with protective OEM. 20. Способ по п.19, в котором первый и второй защитные слои работают попеременно, причем первую емкость с защитным слоем используют для удаления загрязняющих веществ из сырьевого потока, в то время как во второй емкости с защитным слоем загрязняющие вещества удаляют из материала защитного слоя, путем пропускания потока углеводородного продукта из реактора через материал защитного слоя, который находится во второй емкости с защитным слоем. 20. The method according to claim 19, in which the first and second protective layers operate alternately, the first container with a protective layer being used to remove contaminants from the feed stream, while in the second container with a protective layer, contaminants are removed from the material of the protective layer by passing a stream of hydrocarbon product from the reactor through the material of the protective layer, which is located in the second container with a protective layer.
RU2009104324/04A 2006-08-02 2007-08-01 METHOD FOR IMPROVING OLEFIN QUALITY WITH REGENERATION OF THE PROTECTIVE LAYER RU2009104324A (en)

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US83480406P 2006-08-02 2006-08-02
US60/834,804 2006-08-02

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