# US 2019/0314796 A1 · Catalyst system and process for conversion of a hydrocarbon feed utilizing the catalyst system

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- Number: US 2019/0314796 A1
- Document ID: US20190314796A1
- Status: Published application
- Kind: A1
- Application number: 16/468,746
- Filed: 2017-11-16
- Published: 2019-10-17
- Earliest claimed: 2016-12-13
- Assignees: SMH Co., Ltd
- Applicants: SMH Co., Ltd
- Inventors: Amnart JANTHARASUK; Kongkiat SURIYE
- Web page: https://patentgrep.com/patent/US20190314796A1

## CPC

- B01J 29/85: Silicoaluminophosphates [SAPO compounds]
- C10G 11/04: Oxides
- B01J 23/28: Molybdenum
- B01J 23/30: Tungsten
- B01J 23/36: Rhenium
- B01J 23/42: Platinum
- B01J 23/44: Palladium
- B01J 23/468: {Iridium}
- B01J 29/035: {Microporous crystalline materials not having base exchange properties, such as} silica polymorphs, e.g. silicalites
- B01J 29/0354: {Noble metals}
- B01J 29/0356: {Iron group metals or copper}
- B01J 29/0358: {containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium}
- B01J 29/061: {containing metallic elements added to the zeolite}
- B01J 29/068: Noble metals
- B01J 29/072: Iron group metals or copper
- B01J 29/076: containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J 29/166: {Y-type faujasite}
- B01J 29/40: of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
- B01J 29/44: Noble metals
- B01J 29/46: Iron group metals or copper
- B01J 29/48: containing arsenic, antimony, bismuth, vanadium, niobium tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J 29/89: Silicates, aluminosilicates or borosilicates of titanium, zirconium or hafnium {(B01J29/005 takes precedence)}
- B01J 35/19: {Catalysts containing parts with different compositions}
- B01J 37/0215: {Coating}
- B01J 37/0244: {Coatings comprising several layers}
- B01J 37/0246: {Coatings comprising a zeolite}
- B01J 37/0248: {Coatings comprising impregnated particles}
- B01J 37/04: Mixing {(B01J37/0009, B01J37/0018 take precedence)}
- C07C 4/08: by splitting-off an aliphatic or cycloaliphatic part from the molecule
- C07C 4/18: Catalytic processes
- C07C 6/02: Metathesis reactions at an unsaturated carbon-to-carbon bond
- C07C 6/04: at a carbon-to-carbon double bond
- C07C 9/10: with four carbon atoms
- C07C 9/14: with five to fifteen carbon atoms
- C07C 11/04: Ethene
- C10G 45/00: Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G 49/08: containing crystalline alumino-silicates, e.g. molecular sieves
- C10G 55/06: including at least one catalytic cracking step
- C10G 63/04: including at least one cracking step
- C10G 65/02: plural serial stages only
- B01J 2229/186: not in framework positions
- B01J 2229/20: to introduce other elements in the catalyst composition comprising the molecular sieve, but not specially in or on the molecular sieve itself
- B01J 2229/42: Addition of matrix or binder particles
- C07C 2523/22: Vanadium
- C07C 2523/26: Chromium
- C07C 2523/28: Molybdenum
- C07C 2523/30: Tungsten
- C07C 2523/42: Platinum
- C07C 2523/44: Palladium
- C07C 2523/46: Ruthenium, rhodium, osmium or iridium
- C07C 2523/63: with rare earths or actinides
- C07C 2529/035: Crystalline silica polymorphs, e.g. silicalites
- C07C 2529/068: Noble metals
- C07C 2529/072: Iron group metals or copper
- C07C 2529/076: containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- C07C 2529/16: containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- C07C 2529/40: of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
- C07C 2529/70: of types characterised by their specific structure not provided for in groups C07C2529/08 - C07C2529/65
- C07C 2529/78: containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- C07C 2529/85: Silicoaluminophosphates (SAPO compounds)
- C07C 2529/89: Silicates, aluminosilicates or borosilicates of titanium, zirconium or hafnium
- C10G 2300/104: Light gasoline having a boiling range of about 20 - 100 °C
- C10G 2300/1081: Alkanes
- C10G 2400/20: C2-C4 olefins
- C10G 2400/22: Higher olefins
- B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- C10G: CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION (cracking to hydrogen or synthesis gas C01B; cracking or pyrolysis of hydrocarbon gases to individual hydrocarbons or mixtures thereof of definite or specified constitution C07C; cracking to cokes C10B); RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C07C: ACYCLIC OR CARBOCYCLIC COMPOUNDS

## Abstract

The present invention relates to a catalyst system comprising: i. a first layer of a hydrocarbon conversion catalyst, the hydrocarbon conversion catalyst comprising: a first composition comprising a platinum group metal on a solid support; and a second composition comprising a transition metal on an inorganic support; ii. a second layer comprising a cracking catalyst; and to a process for conversion of a hydrocarbon feed utilizing this catalyst system.

## Claims

### Claim 1

A catalyst system comprising:
i. a first layer of a hydrocarbon conversion catalyst, the hydrocarbon conversion catalyst comprising:
a first composition comprising a dehydrogenation active metal on a solid support; and
a second composition comprising a transition metal on an inorganic support; and
ii. a second layer comprising a cracking catalyst.

### Claim 2 (depends on 1)

The catalyst system according to claim 1, wherein the cracking catalyst comprises a molecular sieve.

### Claim 3 (depends on 2)

The catalyst system according to claim 2, wherein the molecular sieve is zeolite and/or silicalite.

### Claim 4 (depends on 3)

The catalyst system according to claim 3, wherein the zeolite is selected from ZSM-5, ZSM-11, SAPO-11, and mixtures thereof.

### Claim 5 (depends on 1)

The catalyst system according to claim 1, wherein a weight ratio of the first layer to the second layer is from 50:1 to 1:20.

### Claim 6 (depends on 1)

The catalyst system according to claim 1, wherein the dehydrogenation active metal is selected from platinum, palladium, iridium, chromium, and mixtures thereof.

### Claim 7 (depends on 1)

The catalyst system according to claim 1, wherein the solid support is selected from aluminium oxide, silicon dioxide, zirconium dioxide, titanium dioxide, magnesium oxide, calcium oxide, and mixtures thereof.

### Claim 8 (depends on 1)

The catalyst system according to claim 1, wherein the transition metal is selected from molybdenum, tungsten, rhenium, and mixtures thereof.

### Claim 9 (depends on 1)

The catalyst system according to claim 1, wherein the inorganic support is selected from aluminium oxide, silicon dioxide, zirconium dioxide, titanium dioxide, zeolite, and mixtures thereof.

### Claim 10 (depends on 1)

The catalyst system according to claim 1, wherein the second composition further comprises a mixed magnesium-aluminium oxide or a mixed calcium-aluminium oxide.

### Claim 11 (depends on 1)

A process for conversion of a hydrocarbon feed comprising a saturated hydrocarbon compound to olefin products comprising contacting a hydrocarbon feed stream with the catalyst system according to claim 1.

### Claim 12 (depends on 11)

The process according to claim 11, wherein the hydrocarbon feed stream comprises a paraffin selected from ethane, propane, butane, pentane, and mixtures thereof.

### Claim 13 (depends on 11)

The process according to claim 11, wherein the process is carried out at a temperature in the range of 200-800° C.

### Claim 14 (depends on 11)

The process according to claim 11, wherein the hydrocarbon feed stream is passed through the catalyst system by contacting the hydrocarbon conversion catalyst first and the cracking catalyst second.

### Claim 15 (depends on 11)

The process according to claim 11, wherein the catalyst system is pretreated by contacting the catalyst system with an inert gas, an oxidizing gas, a reducing gas, or mixtures thereof, at a temperature in the range of 250° C. to 850° C., prior to contacting with the hydrocarbon feed stream.