EP3440160A1 - Utilisation de zeolithe nu-86 pour le procede de craquage catalytique de naphtha - Google Patents
Utilisation de zeolithe nu-86 pour le procede de craquage catalytique de naphthaInfo
- Publication number
- EP3440160A1 EP3440160A1 EP17714805.3A EP17714805A EP3440160A1 EP 3440160 A1 EP3440160 A1 EP 3440160A1 EP 17714805 A EP17714805 A EP 17714805A EP 3440160 A1 EP3440160 A1 EP 3440160A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- zeolite
- catalyst
- weight
- zsm
- gasoline
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
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Classifications
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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
- C10G11/02—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils characterised by the catalyst used
- C10G11/04—Oxides
- C10G11/05—Crystalline alumino-silicates, e.g. molecular sieves
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- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
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- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/16—Clays or other mineral silicates
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- 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
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- 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
- B01J29/80—Mixtures of different zeolites
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- 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
- B01J29/82—Phosphates
- B01J29/84—Aluminophosphates containing other elements, e.g. metals, boron
- B01J29/85—Silicoaluminophosphates [SAPO compounds]
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- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
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- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/30—Ion-exchange
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- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
- B01J37/343—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of ultrasonic wave energy
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
- C07C4/02—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by cracking a single hydrocarbon or a mixture of individually defined hydrocarbons or a normally gaseous hydrocarbon fraction
- C07C4/06—Catalytic processes
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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
- C10G11/14—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts
- C10G11/18—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised-bed" technique
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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
- C10G35/00—Reforming naphtha
- C10G35/04—Catalytic reforming
- C10G35/06—Catalytic reforming characterised by the catalyst used
- C10G35/065—Catalytic reforming characterised by the catalyst used containing crystalline zeolitic molecular sieves, other than aluminosilicates
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- 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
- B01J2029/062—Mixtures of different aluminosilicates
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- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/16—After treatment, characterised by the effect to be obtained to increase the Si/Al ratio; Dealumination
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- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
- B01J2229/186—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself not in framework positions
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- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/30—After treatment, characterised by the means used
- B01J2229/37—Acid treatment
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/02—Boron or aluminium; Oxides or hydroxides thereof
- C07C2521/04—Alumina
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- C07C2527/14—Phosphorus; Compounds thereof
- C07C2527/16—Phosphorus; Compounds thereof containing oxygen
- C07C2527/18—Phosphorus; Compounds thereof containing oxygen with metals
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2529/00—Catalysts comprising molecular sieves
- C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
- C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- C07C2529/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups C07C2529/08 - C07C2529/65
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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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1037—Hydrocarbon fractions
- C10G2300/104—Light gasoline having a boiling range of about 20 - 100 °C
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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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1037—Hydrocarbon fractions
- C10G2300/1044—Heavy gasoline or naphtha having a boiling range of about 100 - 180 °C
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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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1037—Hydrocarbon fractions
- C10G2300/1048—Middle distillates
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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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/70—Catalyst aspects
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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
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/20—C2-C4 olefins
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- 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
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
Definitions
- the invention relates to a process for the production of light olefins by catalytic cracking of gasoline, preferably from the direct distillation of petroleum, so-called "straight run" naphtha according to the English terminology.
- the objective of the process according to the invention is to maximize the yields of light olefins, in particular ethylene, propylene and butenes, as well as BTX by cracking naphtha, preferably comprising a high paraffin content.
- ethylene and propylene, light olefinic hydrocarbons with two or three carbon atoms per molecule respectively, are important chemical intermediates for the production of molecules of interest such as polyethylene and polypropylene which are two of the plastics most commonly used nowadays especially in the packaging.
- Other uses for propylene and ethylene include the production of vinyl chloride, ethylene oxide, ethylbenzene and alcohol.
- Hydrocarbons used as raw material for the production of light olefins include natural gas, natural gas condensates, liquid hydrocarbon cuts from petroleum distillation and carbonaceous materials including coal, recycled plastics or any material organic.
- NCC Naphtha Catalytic Cracking
- KBR KBR
- ACO SK Innovation
- K- TOC a modified ZSM-5 type catalyst and a slightly adapted FCC technology, with an announced maxi-propylene target.
- zeolite ZSM-5 optionally associated with various dopants.
- One of the objectives sought with the addition of one or more dopants is to stabilize the aluminum atoms of the zeolite network so as to limit the dealumination under the operating conditions of the NCC, the dealumination being favored by the high temperature and the presence of water vapor.
- a second objective is an adequate modification of the acidity of the catalysts, generally a passivation of the strongest acid sites, so as to improve the selectivity of the process.
- Patent application WO2007 / 043741 of SK Corporation discloses the production of light olefins from hydrocarbon feedstock with a high yield and a high selectivity using various catalyst formulations comprising a zeolite comprising in its network the Si-OH-Al group, having a pore size of between 10 and 100 ⁇ , an Si / Al molar ratio of between 1 and 300 and preferably chosen from ZSM-5, ferrierite, ZSM-1 1, mordenite, zeolite beta, zeolite L, MCM-41, SBA-15 and / or zeolite Y associated with various dopants such as the metal salts of Mg, Ca, Sr, Ba, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, B, Al, Ga, In, Ti, Sn, Pb, Sb and Bi and a phosphorus compound. It is put in evidence that the catalyst composition used has a stable structure at high temperature and in the presence of water vapor and allows obtaining high yield and a high select
- SK Energy's US201 1/0039688 patent application discloses a process for catalytic cracking of naphtha using a catalyst containing zeolite ZSM-5, clay and an inorganic oxide, said catalyst being promoted with manganese and phosphorus, and optionally lanthanum, and is shaped by atomizing the mixture comprising the various components.
- BP patent US6548725 discloses a process for the production of light olefins by catalytic cracking of naphtha using a catalyst comprising a pentasil type zeolite, for example ZSM-5 or ZSM-1 1 with an Si / Al ratio between 10 and 400 in which are incorporated for example by impregnation of 0.1 to 10% by weight of phosphorus and 0.1 to 10% by weight of at least one promoter selected from gallium (Ga), germanium (Ge) and tin (Sn).
- the process converts the naphtha feed to light olefins while avoiding the production of a significant amount of undesired products such as aromatics or methane.
- the patent application WO2014 / 181293 of Saudi Basic Industries Corporation describes a process for the production of light olefins by catalytic cracking of naphtha using a catalyst comprising a modified zeolite having undergone a desilication step by contacting with a basic compound and then a step realumination by contacting with a realuminizing agent, said modified zeolite then optionally being doped with iron (Fe), titanium (Ti), barium (Ba) or tungsten (W).
- the only zeolite exemplified is ZSM-5.
- zeolites ZSM-8, ZSM-1 1, ZSM-12, ZSM-22, ZSM-23, ZSM-35, ZSM-38, ZSM-48, ZSM-57 and beta are also mentioned.
- Other documents describe the use of zeolite catalysts other than ZSM-5 for the catalytic cracking of naphtha.
- US Patent No. 7585489 to UOP discloses a process for the production of light olefins by catalytic cracking of naphtha using a zeolite with channels containing 10 tetrahedral (10 MR) and non-interconnected atoms, preferably selected from zeolites ITQ-3, ZK-4 , SSZ-23, EU-1, MCM-22, ZSM-23, ZSM-22 and ferrierite.
- the patent applications US2003100439A and US2005182278A respectively describe the use of zeolite ITQ-7 structural type ISV and ITP-22 structural type IWW for catalytic cracking of naphtha.
- US Pat. No. 6,656,345 to ExxonMobil discloses the use in catalytic cracking of olefinic naphtha of one-dimensional zeolites whose pore opening is delimited by 8, 10 or 12 tetrahedral atoms.
- the preferred zeolites belong to the families MTW, TON, MTT or zeolite ZSM-48.
- a catalyst comprising at least one NU-86 zeolite in a process for the catalytic cracking of a gasoline feedstock makes it possible to obtain improved performance in terms of yield of light olefins compared to the use of a reference ZSM-5 zeolite catalyst.
- a catalyst comprising at least one NU-86 zeolite alone or as a mixture for use in a process for catalytic cracking of a naphtha feedstock for the production of light olefins.
- FR2758567 describes the use for fluidized bed catalytic cracking or FCC heavy cuts such as for example vacuum gas oil, a catalyst comprising at least one dealuminated NU-86 zeolite and at least partly under acid form, at least one zeolite Y and at least one matrix, the zeolite NU-86 being used as an additive to the catalyst based on zeolite Y conventionally used in FCC processes.
- the FCC process according to FR2758567 is carried out at a temperature of between 400 and 800 ° C., at a pressure of between 0.05 and 1 MPa with a weight-to-catalyst (C / O) ratio of between 0.5 and 50 and a contact time of between 1 and 10,000 milliseconds.
- Patent FR2837199 describes a process for the production of propylene from a C4 and / or C5 olefinic feedstock of steam cracking and / or catalytic cracking, comprising a step of oligomerization of C4 and / or C5 to obtain higher olefins followed a step of catalytic cracking of the oligomers formed.
- the feedstock fed to the catalytic cracking stage contains from 20 to 100% by weight of C8 + olefins and may also comprise 25 to 100% by weight of C6 + oligomers.
- the catalysts used in the oligomerization and catalytic cracking step may comprise a silica-alumina but are preferably acidic with a shape selectivity and therefore include a zeolite selected from the MEL structural types, such as ZSM-1 1, MFI, such as ZSM-5, NES, EUO, FER, CHA, such as for example SAPO-34, MFS, MWW, or among zeolites NU-85, NU-88, IM-5 and NU-86.
- MEL structural types such as ZSM-1 1, MFI, such as ZSM-5, NES, EUO, FER, CHA, such as for example SAPO-34, MFS, MWW, or among zeolites NU-85, NU-88, IM-5 and NU-86.
- a catalyst comprising a mixture of MFI type zeolite and zeolites mentioned above may also be used in the oligomerization and catalytic cracking stages, as well as a catalyst comprising a mixture of zeolite Y with one of the aforementioned zeolites.
- NU-86 is therefore mentioned among several other zeolite structures and can be used alone or mixed with another MFI or FAU type zeolite, both in the oligomerization and catalytic cracking catalyst.
- the invention relates to a process for catalytically cracking a gasoline feedstock to produce light olefins in which said gasoline feedstock is brought into contact with a catalyst comprising at least one NU-86 zeolite, alone or as a mixture with at least one other zeolite , at a temperature between 500 and 700 ° C, at an absolute pressure of between 10 and 60 MPa, and with a contact time of the load on said catalyst of between 10 milliseconds and 100 seconds.
- An advantage of the present invention is to provide a process for the catalytic cracking of a gasoline feedstock using a catalyst comprising at least one NU-86 zeolite alone or in admixture with at least one other zeolite allowing the production of chemical intermediates and in particular to improve the yields of desired light olefins compared with the use of a catalyst conventionally used in NCC such as ZSM-5.
- Another advantage of the present invention is to provide a process for the catalytic cracking of a gasoline feedstock allowing the majority production of propylene compared to conventional processes of the prior art such as the steam cracking process (propylene / ethylene mass ratio less than 0.6).
- the process according to the invention allows the production of propylene and ethylene with a propylene / ethylene mass ratio at least greater than 0.7 and preferably at least greater than or equal to 1.
- Another advantage of the present invention is to provide a process for the catalytic cracking of a gasoline feedstock using a catalyst comprising at least one NU-86 zeolite alone or as a mixture, said catalyst having good hydrothermal stability under the conditions of catalytic cracking and allowing to obtain light olefins and in particular ethylene and propylene with a high yield and a good selectivity with respect to the charge.
- the invention relates to a process for catalytically cracking a gasoline feedstock to produce light olefins in which said gasoline feedstock is brought into contact with a catalyst comprising at least one NU-86 zeolite, alone or as a mixture with at least one other zeolite , at a temperature between 500 and 700 ° C, at an absolute pressure of between 10 and 60 MPa and with a contact time between the charge and said catalyst of between 10 milliseconds and 100 seconds.
- light olefins are understood to mean olefins having a number of carbon atoms of between 2 and 4.
- the light olefins produced by the process according to the invention are ethylene and propylene. .
- the filler used is a gasoline filler comprising and preferably consisting of hydrocarbon compounds having 4 to 15 carbon atoms, preferably 5 to 14 carbon atoms.
- said gasoline filler has an initial boiling point of between 20 and 100 ° C and preferably between 30 and 80 ° C and preferably between 35 and 60 ° C and a final boiling point between 100 and 100 ° C. and 250 ° C and preferably between 120 and 200 ° C and preferably between 120 and 180 ° C.
- the gasoline feed used in the process according to the invention is essentially paraffinic, that is to say it essentially comprises iso- and n-paraffins.
- said filler comprises paraffins having 4 to 1 carbon atoms and preferably 6 to 9 carbon atoms.
- the term "essentially paraffinic feedstock” is understood to mean a gasoline feedstock comprising a paraffin content (normal + iso) of between 50 and 90% by weight relative to the total weight of said feedstock.
- the filler used in the process according to the invention comprises less than 20% by weight of olefins having preferably at least 6 and / or at least 8 carbon atoms and preferably less than 17% by weight of olefins and preferred way less than 15% by weight of olefins.
- the gasoline feedstock used in the process according to the invention comprises a paraffin content (normal + iso) of between 50 and 90% by weight and preferably between 60 and 80% by weight, an olefin content of between 0 and 17% by weight and preferably between 0 and 15% by weight, a naphthene content of between 10 and 60% by weight and preferably between 20 and 50% by weight, an aromatic content of between 0 and 30% by weight and preferably between 0 and 30% by weight. and 15% by weight, the percentages weight being expressed relative to the total mass of said load and the sum of the various components being equal to 100%.
- a paraffin content normal + iso
- said gasoline charge may be derived from the direct distillation of the oil, in this case the feedstock is "straight run” naphtha according to the English terminology and / or resulting from one or more gasoline production processes such as as for example the fluidized bed catalytic cracking process or "FCC", and / or a process purge such as isomerization processes.
- This load is commonly found under the name "Naphtha”.
- the gasoline feedstock used in the process according to the invention has not undergone any chemical transformation step prior to its introduction into said process according to the invention.
- said gasoline charge has not undergone oligomerization step before being sent in the process according to the invention.
- Said gasoline feedstock may optionally undergo a pre-treatment stage of the hydrotreatment type prior to its use in the process according to the invention, so as to limit or eliminate nitrogenous impurities, sulfur and oxygenated derivatives.
- the process is a process for the production of light olefins by catalytic cracking of a gasoline feedstock, wherein said feedstock is contacted with the catalyst as claimed at a temperature of 500 to 700 ° C. preferably between 550 and 700 ° C, even more preferably between 600 and 680 ° C, at an absolute total pressure of between 10 and 60 MPa and preferably between 10 and 50 MPa and preferably between 10 and 40 MPa and with a contact time between the charge and said catalyst of between 10 milliseconds and 100 seconds, preferably between 20 milliseconds and 20 seconds and preferably between 100 milliseconds and 4 seconds.
- said gasoline feedstock is brought into contact with said catalyst in a reactor operating in a fixed bed, in a moving bed or in a fluidized bed and preferably in a fluidized bed.
- the gasoline charge can advantageously be introduced into said reactor co-current, counter-current or cross-currents.
- the gasoline feedstock may optionally be introduced into the reactor in a mixture with a diluent preferably chosen from an inert gas such as nitrogen and water vapor.
- a diluent preferably chosen from an inert gas such as nitrogen and water vapor.
- the diluent is preferably introduced in an amount representing 1 to 15% by weight, preferably 1 to 6% by weight and preferably between 1 and 5% by weight relative to the total weight of said mixture comprising the diluent and the charge.
- the gasoline feedstock is introduced into the reactor in a mixture with steam.
- water vapor makes it possible to lower the partial pressure of the thermodynamically unfavorable gasoline feedstock for cracking reactions and to improve fluidization and heat transfer. Moreover, the presence of water also makes it possible to limit the hydrogen transfer reactions which lead to the formation of aromatics and light alkanes such as methane, ethane and propane which are not desired.
- the gasoline feedstock is converted by catalytic cracking in the presence of the catalyst as claimed in light olefins and in particular ethylene and propylene.
- the effluent produced is advantageously separated to recover light olefins and preferably ethylene and propylene.
- the catalyst leaving the reactor is also advantageously separated from the effluent produced by the process according to the invention, stripped and regenerated before being recycled to the reactor of the catalytic cracking process according to the invention.
- the process uses a catalyst comprising at least one NU-86 zeolite, alone or as a mixture.
- said catalyst comprises at least one NU-86 zeolite mixed with at least one other zeolite chosen from zeolites ZSM-5, ZSM-11, beta, Y, ferrierite, ZSM-22, ZSM- 23, and EU-1 alone or in a mixture, and preferably from zeolites ZSM-5, ZSM-1 1, beta, Y and ferrierite alone or as a mixture.
- said catalyst comprises a mixture of zeolite NU-86 and at least one other zeolite
- said catalyst advantageously comprises a content of NU-86 of between 60 and 99% by weight and preferably between 70 and 90% by weight. relative to the total mass of zeolites included in said mixture.
- the NU-86 zeolite in hydrogen form designated H-NU-86 and obtained by calcination and / or ion exchange of the crude NU-86 zeolite synthesis and its method of preparation are described in patent EP-0463768 A2.
- Said NU-86 zeolite is characterized by structural X-ray diffraction data defined by Casci et al. in the patent application EP463.768.
- Zeolite NU-86 is generally synthesized in the presence of sodium cations and an organic template which is either octamethonium dibromide or nonamethonium dibromide.
- Zeolite NU-86 contains silicon and at least one element T selected from the group formed by aluminum, iron, gallium, boron and germanium, preferably T is aluminum.
- T is aluminum.
- the structural type of this zeolite has not yet been formally attributed by the International Zeolite Association. However, following the work published at the 9th International Zeolite Congress by JL Casci, PA Box and MD Shannon ("Proceedings of the 9th International Zeolite Conference", Montreal 1992, Eds R. Von Ballmoos et al., 1993 by Butterworth) appears from its properties:
- the zeolite NU-86 has a three-dimensional microporous system
- this three-dimensional microporous system consists of straight channels whose pore opening is delimited by 11 atoms T (atoms in the tetrahedral configuration: Si, Al, Ga, Fe, etc.), right channels delimited alternately by openings at 10; and 12 T atoms and sinusoidal channels also alternately delimited by apertures at 10 and 12 atoms T.
- the NU-86 zeolite used according to the invention has an Si / T molar ratio of less than 150, preferably less than 100, preferably less than 50.
- the Si / Al ratio can be obtained on synthesis, without post-modification treatment. It can also be obtained by the dealumination techniques known to those skilled in the art such as, for example, a steam treatment, that is to say a thermal treatment under steam and / or acid treatment.
- Patent Application EP 0.939.673 describes embodiments of dealumination of zeolite NU-86.
- Zeolite NU-86 can be used in the preparation of the catalyst according to the invention in its raw form or at least partly, or preferably almost completely, in acid form, that is to say in the hydrogen form (H + ), the sodium content preferably being such that the atomic ratio Na / T is less than 10%, preferably less than 5%, more preferably less than 1%.
- the NU-86 zeolite included in the catalyst used according to the invention may also advantageously be dealuminated or not.
- the dealumination step can advantageously be carried out before or after the shaping, possibly both before and after the shaping of said zeolite.
- these treatments also make it possible to stabilize the zeolite, before it is submitted to the reactor under severe conditions that may modify the crystallographic structure of the zeolite.
- Said zeolite may advantageously be dealuminated by at least one heat treatment carried out, optionally and preferably in the presence of steam, at a temperature generally of between 500 and 900 ° C., and optionally followed by at least one acid attack by a aqueous solution of a mineral or organic acid.
- the calcination conditions in the presence of water vapor temperature, water vapor pressure and treatment time
- the conditions of acid attack after calcination are adapted to obtain the desired level of dealumination.
- the catalyst used in the process according to the invention may also advantageously comprise at least one binder selected from the group of inorganic refractory oxides.
- said binder is advantageously chosen from alumina, silica, silica-alumina, magnesia, titania, zirconia, clays and boron oxide, alone or as a mixture and preferably from silica, silica-alumina and clays, alone or in admixture.
- the catalyst used in the process according to the invention comprises, as a percentage by mass:
- zeolites ZSM-5, ZSM-1 1, beta, Y, ferrierite, ZSM-22, ZSM-23 and EU- 1 alone or in a mixture from 0 to 50% and preferably from 0 to 30% by weight of at least one zeolite chosen from zeolites ZSM-5, ZSM-1 1, beta, Y, ferrierite, ZSM-22, ZSM-23 and EU- 1 alone or in a mixture,
- the catalyst used in the process according to the invention can advantageously be shaped, by any technique known to those skilled in the art, in order to achieve a catalyst morphology suitable for the catalytic cracking process.
- the catalyst may advantageously be in the form of extrudates, beads, pellets, grains.
- shaping is carried out by extrusion, by spraying, by spheronization, by draining or "oil-drop" according to the English terminology or by pelletizing.
- the zeolite or zeolites are dispersed with the binder according to the methods known to those skilled in the art, such as, for example, co-grinding, ultrasonic treatment of the zeolite (s) and the binder in suspension. in a liquid or the passage in a very shearing tool type ultra-turrax.
- the catalyst is in the form of grains smaller than 200 ⁇ , preferably less than 130 ⁇ , for implementation in a fluidized bed.
- the catalyst is shaped by atomization or by granulation.
- said catalyst is shaped by extrusion followed by a spheronization step.
- One or more dopants preferably chosen from phosphorus (P), magnesium (Mg), sodium (Na), potassium (K), calcium (Ca), iron (Fe), boron (B), manganese (Mn), lanthanum (La), cerium (Ce), titanium (Ti), tungsten (W), molybdenum (Mo), copper (Cu), zirconium (Zr) and gallium (Ga) alone or in a mixture and preferably selected from phosphorus (P), magnesium (Mg), copper (Cu), calcium (Ca) and lanthanum (La) may optionally be introduced into said catalyst.
- the dopant may optionally be introduced into the zeolite before shaping or onto the already shaped catalyst, preferably according to any method known to those skilled in the art, such as, for example, dry impregnation, impregnation in excess, ion exchange.
- the content of doping elements in said catalyst is between 0 and 12% by weight relative to the total mass of said catalyst, preferably from 0 to 6% and very preferably from 0 to 3% by weight.
- the catalyst, before or after shaping and / or before or after addition of the doping element or elements is subjected to at least one vapotraitement at a temperature of between 500 and 850 ° C., preferably between 600 and 750 ° C. C, in the presence of 2 to 100% of water vapor, preferably between 5 and 80% of water vapor, for a period of between 15 minutes and 48 hours, preferably between 30 minutes and 24 hours.
- aqueous suspension containing the zeolite is kneaded with PURAL SB3 boehmite and kaolin.
- the dry weight percentage composition is 40% zeolite, 30% kaolin and 30% alumina. After obtaining a homogeneous paste, it is extruded through a die and the extrudates are dried for 12 hours at 120 ° C. and calcined under a stream of air for 2 hours at 550 ° C.
- the extrudates are then subjected to steam treatment for 24 hours under a flow of 100% steam with a flow rate of 1 liter per hour per gram of extruded under NTP conditions at 800 ° C. Then they are crushed and sieved to preserve the 40-140 ⁇ fraction.
- the catalyst thus obtained is called NC1.
- aqueous suspension containing the zeolite is mixed in a highly shearing system of ultra-turrax type and then undergoes ultrasonic treatment. Then the suspension is kneaded with kaolin. The dry weight percent composition is 40% zeolite and 60% kaolin. After obtaining a homogeneous paste, it is extruded through a die and the extrudates are dried for 12 hours at 120 ° C. and calcined under a stream of air for 2 hours at 550 ° C. Postprocessing
- the crystallites of the zeolite NH4-NU-86 are in the form of agglomerates whose size varies from 0.2 ⁇ to 2 ⁇ . Formatting the zeolite by malaxaqe-extrusion
- An aqueous suspension containing the NH4-NU-86 zeolite is kneaded with PURAL SB3 boehmite and kaolin.
- the dry weight percentage composition is 40% zeolite, 30% kaolin and 30% alumina. After obtaining a homogeneous paste, it is extruded through a die and the extrudates are dried for 12 hours at 120 ° C. in an oven and calcined under a stream of air for 2 hours at 550 ° C.
- the extrudates are then subjected to steam treatment for 24 hours under a flow of 100% steam with a flow rate of 1 liter per hour per gram of extrudates (NTP conditions) at 800 ° C. Then they are crushed and sieved to preserve the 40-140 ⁇ fraction.
- the catalyst thus obtained is called C1.
- An aqueous suspension containing zeolite NU-86 is mixed with Nyasil 20 and kaolin in a highly shearing ultra-turrax type system.
- the dry weight percentage of zeolite relative to the total dry mass in the suspension is 40%.
- the suspension is then atomized.
- the catalyst obtained is dried at 120 ° C. for 12 hours.
- the grains obtained have a size between 40 and 140 ⁇ .
- zeolite NU-86 The synthesis of zeolite NU-86 is the same as that for catalyst C1. Formatting the zeolite by malaxaqe-extrusion
- aqueous suspension containing the NH4-NU-86 zeolite is mixed in a highly shear ultra-turrax system and undergoes ultrasonic treatment. Then the suspension is kneaded with kaolin. The dry weight percent composition is 40% zeolite and 60% kaolin. After obtaining a homogeneous paste, it is extruded through a die and the extrudates are dried for 12 hours at 120 ° C. in an oven and calcined under a stream of air for 2 hours at 550 ° C. Postprocessing
- zeolite NU-86 The synthesis of zeolite NU-86 is the same as that for catalyst C1. Doping zeolite
- the ammonium dihydrogenphosphate ((NH 4 ) H 2 PO 4) used as phosphorus precursor is dissolved in a volume of water corresponding to a V / P (volume of solution / mass of zeolite) of 10 ml / g.
- the solution is contacted with the catalyst at room temperature for 20 minutes in a rotary evaporator.
- Mg (OH) 2 magnesium hydroxide is then added and stirring is continued for 20 minutes.
- the pH is adjusted between 7 and 8 with an ammonia solution and then the mixture is stirred for 20 minutes at 45 ° C.
- the solvent is then gently removed at 60 ° C.
- the catalyst is then dried for 2 hours in an oven at 100 ° C. and then calcined for 3 hours at 500 ° C.
- the amounts of precursors used are adapted to obtain on the final catalyst after calcination a quantity of phosphorus of 1, 5% by weight and magnesium of 0.6% by weight.
- aqueous suspension containing the zeolite NH 4 -NU-86 is mixed in a highly shearing system of ultra-turrax type and undergoes ultrasonic treatment. Then the suspension is kneaded with kaolin. The dry weight percent composition is 40% zeolite and 60% kaolin. After obtaining a homogeneous paste, it is extruded through a die and the extrudates are dried for 12 hours at 120 ° C. in an oven and calcined under a stream of air for 2 hours at 550 ° C. Postprocessing
- the extrudates are then subjected to a steam treatment for 24 hours under a flow of 6% volume of water vapor and 96% volume of dry air with a total flow rate of 1 liter per hour per gram of extrudates (NTP conditions) at 700. ° C. Then they are crushed and sieved to preserve the 40 - 140 ⁇ fraction.
- the catalyst thus obtained is called C4.
- the zeolite NH 4 -NU-86 is prepared as in Example C1.
- the zeolite then undergoes an acid attack, using 7N nitric acid, at about 100 ° C., so as to extract the extra-lattice aluminum species formed during the hydrothermal treatment.
- the zeolite thus obtained is filtered and dried for 12 hours in an oven at 120 ° C. and then calcined for 4 hours at 550 ° C. under a stream of air.
- the H-NU-86 H-form zeolite has an overall Si / Al atomic ratio of 25.
- An aqueous suspension containing the zeolite NH 4 -NU-86 obtained in the preceding step is mixed in a highly shearing system of ultra-turrax type and undergoes ultrasonic treatment. Then the suspension is kneaded with Nyasil 20 as a precursor of silica.
- the dry weight percentage composition is 40% zeolite and 60% silica. After obtaining a homogeneous paste, it is extruded through a die and the extrudates are dried for 12 hours at 120 ° C. in an oven and calcined under a stream of air for 2 hours at 550 ° C.
- extrudates are then subjected to steam treatment for 24 hours under a flow of 6% by volume of steam and 96% by volume of dry air with a total flow of 1 liter per hour per hour.
- grams of extrudates (NTP conditions) at 700 ° C. are crushed and sieved to preserve the 40 - 140 ⁇ fraction.
- the catalyst thus obtained is called C5.
- the tests below were conducted on a laboratory unit comprising a quartz reactor heated by an electric furnace whose temperature is controlled by a thermocouple placed in the catalytic bed.
- the mass of catalyst introduced into the reactor is 30 grams representing a bed height of 22 cm when it is fluidized with 2x200 Nml / min of nitrogen.
- the catalyst is placed under an air stream at 680 ° C to remove any residual coke from a previous test and then the air is shut off and the temperature maintained at 680 ° C under nitrogen.
- the naphtha feed is composed of C6-C8 hydrocarbons including 76% by weight of paraffins, 19.5% by weight of naphthenes and 4.5% by weight of aromatics.
- the feedstock has an initial boiling point of 37.6 ° C and a final boiling point of 126.8 ° C. It is introduced at 1, 2 bar absolute using a syringe pump calibrated so as to introduce 2.88 g of charge in 200 s.
- the liquid and gaseous effluents are collected, quantified and qualified at the outlet of the reactor in order to establish a mass balance and a yield structure resulting from the cracking.
- the catalyst is collected to measure the coke rate.
- Table 3 gives the mass yields of ethylene, propylene, butene and BTX, as well as the propylene / ethylene P / E ratio, obtained during the naphtha cracking test for non-compliant catalysts NC1, NC2 and C1 to C5.
- the catalyst C1 based on NU-86 according to the invention makes it possible to obtain a better yield of light olefins, C2, C3, C4 and BTX relative to the NC1 catalyst based on ZSM-5 and prepared according to the same operating mode.
- the catalyst C3 based on NU-86 according to the invention makes it possible to obtain a better yield of light olefins, C2, C3, C4 and BTX with respect to the ZSM-5 based catalyst NC2 and prepared according to the same operating mode.
- the C4 catalyst based on NU-86 and doped with P and Mg according to the invention makes it possible to further improve the yields of light olefins with respect to the C3-conforming catalyst.
- Catalyst C5 comprising a dealuminated NU-86 zeolite makes it possible to obtain a better yield of light olefins than C3 according to the invention in which zeolite NU-86 has not been dealuminated.
- zeolite NU-86 also allows the majority production of propylene.
- Table 4 shows the detailed results of the naphtha cracking test on the NC1 and C1 catalysts.
- the conversion is defined as the sum of the desired products, namely the 2, 3 and 4 carbon olefins, the BTX and the coke necessary to maintain the thermal equilibrium of the NCC unit.
- NU-86 The interest of NU-86 is shown here to obtain a conversion to light olefins (ethylene + propylene + butenes) and BTX (benzene + toluene + xylenes) higher by 4.25 pts compared to a ZSM-5, a relative gain of more than 10% over the sum of these compounds.
- olefins ethylene + propylene + butenes
- BTX benzene + toluene + xylenes
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Abstract
Description
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1653089A FR3049954A1 (fr) | 2016-04-08 | 2016-04-08 | Utilisation de zeolithe nu-86 pour le procede de craquage catalytique de naphtha |
| PCT/EP2017/057960 WO2017174566A1 (fr) | 2016-04-08 | 2017-04-04 | Utilisation de zeolithe nu-86 pour le procede de craquage catalytique de naphtha |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3440160A1 true EP3440160A1 (fr) | 2019-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17714805.3A Withdrawn EP3440160A1 (fr) | 2016-04-08 | 2017-04-04 | Utilisation de zeolithe nu-86 pour le procede de craquage catalytique de naphtha |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10633597B2 (fr) |
| EP (1) | EP3440160A1 (fr) |
| CN (1) | CN109312237A (fr) |
| FR (1) | FR3049954A1 (fr) |
| WO (1) | WO2017174566A1 (fr) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3104604B1 (fr) * | 2019-12-16 | 2022-04-22 | Ifp Energies Now | Dispositif et procédé de production d’oléfines légères et d’aromatiques par craquage catalytique. |
| US20230038518A1 (en) * | 2019-12-27 | 2023-02-09 | Ptt Global Chemical Public Company Limited | A catalyst for producing light olefins from catalytic cracking of hydrocarbon having 4 to 7 carbon atoms and a process for producing light olefins by using a catalyst thereof |
| CN117380264B (zh) * | 2022-06-30 | 2025-10-10 | 中国石油化工股份有限公司 | 焦化液化气羰基硫水解催化剂及制备方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9013916D0 (en) * | 1990-06-22 | 1990-08-15 | Ici Plc | Zeolites |
| FR2755958B1 (fr) | 1996-11-19 | 1999-01-08 | Inst Francais Du Petrole | Zeolithe nu-86 desaluminee et son utilisation en conversion des hydrocarbures |
| JP3906366B2 (ja) * | 1996-11-27 | 2007-04-18 | アンスティテュ フランセ デュ ペトロール | ゼオライトnu−86をベースとする触媒を用いるパラフィン仕込原料の流動点改善方法 |
| FR2758567B1 (fr) | 1997-01-20 | 1999-02-19 | Inst Francais Du Petrole | Procede de craquage de charges hydrocarbonees a l'aide d'un catalyseur comprenant une zeolithe nu-86 desaluminee |
| WO1999057226A1 (fr) | 1998-05-05 | 1999-11-11 | Exxon Chemical Patents Inc. | Conversion d'hydrocarbures en propylene au moyen de catalyseurs zeolitiques a pores moyens et forte teneur en silice |
| AU6271299A (en) | 1998-09-28 | 2000-04-17 | Bp Amoco Corporation | Process for manufacturing olefins using a pentasil zeolite based catalyst |
| ES2168208B1 (es) | 2000-03-24 | 2003-04-01 | Univ Valencia Politecnica | Catalizadores de craqueo basados en zeolitas. |
| FR2837199B1 (fr) | 2002-03-15 | 2005-09-16 | Inst Francais Du Petrole | Procede de conversion en plusieurs etapes d'une charge comprenant des olefines a quatre, cinq atomes de carbone ou plus, en vue de produire du propylene |
| US7449169B2 (en) | 2002-05-23 | 2008-11-11 | Consejo Superior De Investigaciones Cientificas | Microporous crystalline zeolite material (zeolite ITQ-22), synthesis method thereof and use of same as a catalyst |
| US6867341B1 (en) | 2002-09-17 | 2005-03-15 | Uop Llc | Catalytic naphtha cracking catalyst and process |
| FR2859994B1 (fr) * | 2003-09-19 | 2005-10-28 | Inst Francais Du Petrole | Procede de conversion directe d'une charge comprenant des olefines a quatre, et/ou cinq atomes de carbone ou plus, pour la production de propylene |
| EP1931750B1 (fr) * | 2005-10-07 | 2017-01-18 | Sk Innovation Co., Ltd. | Procede de production d'olefines legeres a partir d'une charge d'hydrocarbures |
| KR100979580B1 (ko) | 2008-02-05 | 2010-09-01 | 에스케이에너지 주식회사 | 경질올레핀 생산용 탄화수소 접촉 분해 촉매 및 그제조방법 |
| US20140209508A1 (en) * | 2013-01-25 | 2014-07-31 | H R D Corporation | System and process for thermal cracking and steam cracking |
| WO2014181293A1 (fr) | 2013-05-10 | 2014-11-13 | Saudi Basic Industries Corporation | Catalyseur zéolitique modifié et ses procédés de production et d'utilisation |
-
2016
- 2016-04-08 FR FR1653089A patent/FR3049954A1/fr not_active Ceased
-
2017
- 2017-04-04 US US16/091,796 patent/US10633597B2/en not_active Expired - Fee Related
- 2017-04-04 WO PCT/EP2017/057960 patent/WO2017174566A1/fr not_active Ceased
- 2017-04-04 EP EP17714805.3A patent/EP3440160A1/fr not_active Withdrawn
- 2017-04-04 CN CN201780022319.6A patent/CN109312237A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR3049954A1 (fr) | 2017-10-13 |
| US20190161685A1 (en) | 2019-05-30 |
| CN109312237A (zh) | 2019-02-05 |
| WO2017174566A1 (fr) | 2017-10-12 |
| US10633597B2 (en) | 2020-04-28 |
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