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EP0247678A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Hydrocarbon conversion process and catalysts

Assignee: Shell Internationale Research Maatschappij BV
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Filing: 1987-05-15
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Granted: —
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Expires: 2007-05-15
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Abstract

Abstract A process for converting hydrocarbon oils into products of lower average molecular weight and lower average boiling point comprising contacting a hydrocarbon oil at elevated temperature and pressure in the presence of hydrogen with a catalyst comprising a modified Y zeolite having a unit cell size below 24.45 Å, a degree of crystallinity which is at least retained at increasing SiO₂/Al₂O₃ molar ratios, a water adsorption capacity (at 25 °C and a p/p o value of 0.2) of at least 8% by weight of modified zeolite and a pore volume of at least 0.25 ml/g wherein between 10% and 60% of the total pore volume is made up of pores having a diameter of at least 8 nm, an amorphous cracking component, a binder and at least one hydrogenation component of a Group VI metal and/or at least one hydrogenation component of a Group VIII metal. The invention also relates to catalyst compositions suitable for use in said process.

Inventors

  • 👤 Arend Hoek
  • 👤 Tom Huizinga
  • 👤 Ian Ernest Maxwell

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-06 04:34
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16; C10G47/20; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J29/16; B01J29/166

Claims Analysis

Total Claims: 34
Claim 1
Independent Claim 146 words
A process for converting hydrocarbon oils into products of lower average molecular weight and lower average boiling point comprising contacting a hydrocarbon oil at elevated temperature and pressure in the presence of hydrogen with a catalyst comprising a modified Y zeolite having a unit cell size below 24.45 Å, a degree of crystallinity which is at least retained at increasing SiO₂/Al₂O₃ molar ratios, a water adsorption capacity (at 25 °C and a p/p o value of 0.2) of at least 8% by weight of modified zeolite and a pore volume of at least 0.25 ml/g wherein between 10% and 60% of the total pore volume is made up of pores having a diameter of at least 8 nm, an amorphous cracking component, a binder and at least one hydrogenation component of a Group VI metal and/or at least one hydrogenation component of a Group VIII metal.
Claim 2
Dependent Claim 146 words
A process for converting hydrocarbon oils into products of lower average molecular weight and lower average boiling point comprising contacting a hydrocarbon oil at elevated temperature and pressure in the presence of hydrogen with a catalyst comprising a modified Y zeolite having a unit cell size below 24.45 Å, a degree of crystallinity which is at least retained at increasing SiO₂/Al₂O₃ molar ratios, a water adsorption capacity (at 25 °C and a p/p o value of 0.2) of at least 8% by weight of modified zeolite and a pore volume of at least 0.25 ml/g wherein between 10% and 60% of the total pore volume is made up of pores having a diameter of at least 8 nm, an amorphous cracking component, a binder and at least one hydrogenation component of a Group VI metal and/or at least one hydrogenation component of a Group VIII metal.
Claim 3
Dependent Claim 41 words
A process according to claim 1, wherein use is made of a catalyst comprising a modified Y zeolite wherein between 10% and 40% of the total pore volume is made up of pores having a diameter of at least 8 nm.
Claim 4
Dependent Claim 31 words
A process according to claim 1 or 2, wherein use is made of a modified Y zeolite having a water adsorption capacity of at least 10% by weight of modified zeolite.
Claim 5
Dependent Claim 28 words
A process according to claim 3, wherein use is made of a modified zeolite having a water adsorption capacity between 10% and 15% by weight of modified zeolite.
Claim 6
Dependent Claim 31 words
A process according to any one of claim 1-4, wherein use is made of a modified Y zeolite having a unit cell size below 24.40 Å, in particular below 24.35 Å.
Claim 7
Dependent Claim 34 words
A process according to any one of claims 1-5, wherein use is made of a catalyst comprising 50-90% by weight of modified Y zeolite and amorphous cracking component and 10-50% by weight of binder.
Claim 8
Dependent Claim 31 words
A process according to claim 6, wherein use is made of a catalyst comprising 60-85% by weight of modified Y zeolite and amorphous cracking component and 15-40% by weight of binder.
Claim 9
Dependent Claim 40 words
A process according to any one of claims 1-7, wherein use is made of a catalyst wherein the amount of modified Y zeolite ranges between 5 and 85% of the combined amount of modified Y zeolite and amorphous cracking component.
Claim 10
Dependent Claim 37 words
A process according to claim 8, wherein use is made of a catalyst wherein the amount of modified Y zeolite ranges between 10 and 75% of the combined amount of modified Y zeolite and amorphous cracking component.
Claim 11
Dependent Claim 19 words
A process according to any one of claims 1-9, wherein use is made of a silica-based amorphous cracking component.
Claim 12
Dependent Claim 16 words
A process according to claim 10, wherein use is made of silica-alumina as amorphous cracking component.
Claim 13
Dependent Claim 23 words
A process according to claim 10 or 11, wherein use is made of an amorphous cracking component containing 50-95% by weight of silica.
Claim 14
Dependent Claim 20 words
A process according to any one of claims 1-12 wherein use is made of a binder comprising an inorganic oxide.
Claim 15
Dependent Claim 18 words
A process according to claim 13, wherein use is made of silica, alumina or a clay as binder.
Claim 16
Dependent Claim 28 words
A process according to any one of claims 1-14, wherein use is made of a modified Y zeolite having a SiO₂/Al₂O₃ molar ratio of from 4 to 25.
Claim 17
Dependent Claim 25 words
A process according to claim 15, wherein use is made of a modified Y zeoilte having a SiO₂/Al₂O₃ molar ratio of from 8 to 15.
Claim 18
Dependent Claim 43 words
A process according to any one of claims 1-16, wherein use is made of a catalyst comprising one or more components of nickel and/or cobalt and one or more components of molybdenum and/or tungsten or one or more components of platinum and/or palladium.
Claim 19
Dependent Claim 43 words
A process according to claim 17, wherein use is made of a hydrogenation component comprising between 0.05 and 10% by weight of nickel and between 2 and 40% by weight of tungsten, calculated as metals per 100 parts by weight of total catalyst.
Claim 20
Dependent Claim 19 words
A process according to claim 18, wherein use is made of hydrogenation component(s) of Group VI in sulphided form.
Claim 21
Dependent Claim 77 words
A process according to any one of claims 1-19, wherein at least 10% by weight of polynaphthenic components is converted in addition to the hydrocarbon oil conversion carried out at a temper­ature in the range of from 250 °C to 500 °C, a pressure up to 300 bar and a space velocity between 0.1 and 10 kg feed per litre of catalyst per hour at a gross conversion level of at least 40% by weight per pass.
Claim 22
Dependent Claim 69 words
A process according to claim 20, wherein at least 25% by weight of polynaphthenic components is converted in addition to the hydrocarbon oil conversion carried out at a temperature between 300 and 450 °C, a pressure between 25 and 200 bar and a space velocity between 0.2 and 5 kg feed per litre catalyst per hour at a gross conversion level of at least 40% by weight per pass.
Claim 23
Dependent Claim 139 words
Catalyst composition comprising a modified Y zeolite having a unit cell size below 24.45 Å, a degree of crystallinity which is at least retained at increasing SiO₂/Al₂O₃ molar ratios, a water adsorption capacity (at 25 °C and p/p o value of 0.2) of at least 8% by weight of modified zeolite and a pore volume of at least 0.25 ml/g wherein between 10% and 60% of the total pore volume is made up of pores having a diameter of at least 8 nm, an amorphous cracking component, a binder and at least one hydrogenation compo­nent of a Group VI metal and/or at least one hydrogenation compo­nent of a Group VIII metal, and wherein 50-90% by weight of the catalyst is made up of modified Y zeolite and amorphous cracking component and 10-50% by weight is made up of binder.
Claim 24
Dependent Claim 139 words
Catalyst composition comprising a modified Y zeolite having a unit cell size below 24.45 Å, a degree of crystallinity which is at least retained at increasing SiO₂/Al₂O₃ molar ratios, a water adsorption capacity (at 25 °C and p/p o value of 0.2) of at least 8% by weight of modified zeolite and a pore volume of at least 0.25 ml/g wherein between 10% and 60% of the total pore volume is made up of pores having a diameter of at least 8 nm, an amorphous cracking component, a binder and at least one hydrogenation compo­nent of a Group VI metal and/or at least one hydrogenation compo­nent of a Group VIII metal, and wherein 50-90% by weight of the catalyst is made up of modified Y zeolite and amorphous cracking component and 10-50% by weight is made up of binder.
Claim 25
Dependent Claim 33 words
Catalyst composition according to claim 22, wherein 60-85% by weight of the catalyst is made up of modified Y zeolite and amor­phous cracking component and 15-40% by weight is made up of binder.
Claim 26
Dependent Claim 36 words
Catalyst compositions according to claim 22 or 23, wherein between 10% and 40% of the total pore volume of the modified Y zeolite is made up of pores having a diameter of at least 8 nm.
Claim 27
Dependent Claim 28 words
Catalyst composition according to any one of claims 22-24, wherein the modified Y zeolite has a water adsorption capacity between 10% and 15% by weight of modified zeolite.
Claim 28
Dependent Claim 27 words
Catalyst composition according to any one of claims 22-25, wherein the modified Y zeolite has a unit cell size below 24.40 Å, in particular below 24.35 Å.
Claim 29
Dependent Claim 33 words
Catalyst composition according to any one of claims 22-26, wherein the amount of modified zeolite Y ranges between 10 and 75% of the combined amount of modified Y zeolite and amorphous cracking component.
Claim 30
Dependent Claim 19 words
Catalyst composition according to any one of claims 22-27, wherein the amorphous cracking component is a silica-based cracking component.
Claim 31
Dependent Claim 31 words
Catalyst composition according to any one of claims 22-28, wherein the modified Y zeolite has a SiO₂/Al₂O₃ molar ratio of from 4 to 25, in particular of from 8 to 15.
Claim 32
Dependent Claim 41 words
Catalyst composition according to any one of claims 22-29, wherein the catalyst comprises between 0.05 and 10% by weight of nickel and between 2 and 40% by weight of tungsten, calculated as metals per 100 parts by weight of total catalyst.
Claim 33
Dependent Claim 18 words
Catalyst composition according to any one of claims 22-30, substantially as hereinbefore described with reference to the Examples.
Claim 34
Dependent Claim 33 words
Process for converting hydrocarbon oils into products of lower average molecular weight and lower average boiling point according to any one of claims 1-21, substantially as hereinbefore described with reference to the Examples.

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