# US 2014/0151265 A1 · Catalyst for use in production of saturated hydrocarbons from synthesis gas

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- Number: US 2014/0151265 A1
- Document ID: US20140151265A1
- Status: Published application
- Kind: A1
- Application number: 14/113,024
- Filed: 2011-04-21
- Published: 2014-06-05
- Earliest claimed: 2011-04-21
- Assignees: Bp P.L.C.; Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Inventors: Qingjie Ge; Xiangang Ma; Hengyong Xu
- Web page: https://patentgrep.com/patent/US20140151265A1

## CPC

- B01J 29/85: Silicoaluminophosphates [SAPO compounds]
- B01J 23/26: Chromium
- B01J 23/44: Palladium
- B01J 23/80: with zinc, cadmium or mercury
- B01J 35/19: {Catalysts containing parts with different compositions}
- B01J 37/04: Mixing {(B01J37/0009, B01J37/0018 take precedence)}
- C07C 1/20: starting from organic compounds containing only oxygen atoms as heteroatoms
- C10G 2/331: {containing group VIII-metals}
- C10G 2/333: {of the platinum-group}
- C10G 2/334: {containing molecular sieve catalysts}
- C10L 3/12: Liquefied petroleum gas {(liquefying by pressure and cold treatment F25J)}
- B01J 29/90: Regeneration or reactivation
- B01J 38/02: Heat treatment
- B01J 2229/186: not in framework positions
- C07C 2523/06: of zinc, cadmium or mercury
- C07C 2523/26: Chromium
- C07C 2523/42: Platinum
- C07C 2523/44: Palladium
- C07C 2523/46: Ruthenium, rhodium, osmium or iridium
- C07C 2523/72: Copper
- C07C 2523/80: with zinc, cadmium or mercury
- C07C 2529/85: Silicoaluminophosphates (SAPO compounds)
- Y02P 20/584: Recycling of catalysts
- B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- C07C: ACYCLIC OR CARBOCYCLIC COMPOUNDS
- 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
- C10L: FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

A catalyst composition is provided for use in the conversion of carbon oxide(s) to saturated hydrocarbons. The catalyst composition comprises a carbon oxide(s) conversion catalyst; and a dehydration/hydrogenation catalyst comprising a silicoalumino phosphate (SAPO) molecular sieve and a metal M, for example Pd. In one embodiment, the target saturated hydrocarbons include LPG, the SAPO comprises SAPO-5 and/or SAPO-37.

## Claims

### Claim at position 1

1-30. (canceled)

### Claim 31

A catalyst composition for use in the conversion of carbon oxide(s) to saturated hydrocarbons, the catalyst composition comprising:
a) a carbon oxide(s) conversion catalyst; comprising a methanol synthesis catalyst;
b) a dehydration/hydrogenation catalyst comprising a silicoalumino phosphate (SAPO) molecular sieve and a metal M.

### Claim 32

A catalyst composition for use in the conversion of carbon oxide(s) to saturated hydrocarbons, the catalyst composition comprising:
a) a carbon oxide(s) conversion catalyst; and
b) a dehydration/hydrogenation catalyst comprising a silicoalumino phosphate (SAPO) molecular sieve and a metal M.

### Claim 33 (depends on 32)

A catalyst composition according to claim 32, wherein the SAPO molecular sieve comprises SAPO-5.

### Claim 34 (depends on 32)

A catalyst composition according to claim 32 wherein the SAPO molecular sieve comprises SAPO-37.

### Claim 35 (depends on 32)

A catalyst composition according to claim 32 wherein the dehydration/hydrogenation catalyst comprises a SAPO having an average pore size of at least 0.7 nm.

### Claim 36 (depends on 35)

A catalyst composition according to claim 35, wherein the dehydration/hydrogenation catalyst comprises a SAPO having an average pore size of at least 0.73 nm.

### Claim 37 (depends on 32)

A catalyst composition according to claim 32, wherein the Si02/A1203 ratio in the SAPO is between from about 0.1 to 15.

### Claim 38 (depends on 32)

A catalyst composition according to claim 32, wherein the metal M comprises one or more metals selected from the group comprising Pt, Pd, Rh and Cu.

### Claim 39 (depends on 38)

A catalyst composition according to claim 38, wherein the metal M includes Pd.

### Claim 40 (depends on 32)

A catalyst composition according to claim 32, wherein the weight percent of M in the dehydration/hydrogenation catalyst is between from about 0.001-2 wt %.

### Claim 41 (depends on 32)

A catalyst composition according to claim 32, wherein the carbon oxide(s) conversion catalyst comprises a methanol conversion catalyst.

### Claim 42 (depends on 32)

A catalyst composition according to claim 32, wherein the carbon oxide(s) conversion catalyst comprises one or more compositions selected from Cu—ZnO-[Sup], Pd-[Sup] and Zn—Cr-[Sup] where [Sup] is a support composition.

### Claim 43 (depends on 32)

A catalyst composition according to claim 32, wherein the weight percent of M-SAPO in the catalyst composition is between from about 20 to 80%.

### Claim 44

A method of preparing a catalyst composition for use in the conversion carbon oxide(s) to saturated hydrocarbons, the catalyst composition comprising:
a) modifying a SAPO molecular sieve by addition of a metal M to produce an M-SAPO composition.
b) mixing the M-SAPO composition with a carbon oxide(s) conversion catalyst.

### Claim 45 (depends on 44)

A method according to claim 44, wherein the metal M is added to the SAPO by an ion-exchange method.

### Claim 46 (depends on 44)

A method according to claim 44, wherein the metal M is added to the SAPO by an impregnation method.

### Claim 47 (depends on 44)

A method according to claim 44, further including the step of heat treating the M-SAPO composition at a temperature between from 400° C. to 600° C.

### Claim 48 (depends on 44)

A method according to claim 44 wherein the weight percent of M-SAPO mixed with the carbon oxide(s) conversion catalyst is between from about 20 to 80%.

### Claim 49 (depends on 44)

A method according to claim 44 wherein the SAPO molecular sieve comprises SAPO-5.

### Claim 50 (depends on 44)

A method according to claim 44 wherein the metal M comprises one or more metals selected from the group comprising Pt, Pd, Rh and Cu.

### Claim 51

A process for the generation of saturated hydrocarbons from carbon oxide(s) and hydrogen, the process comprising the steps of feeding a gas feed stream including carbon oxide(s) and hydrogen to a reaction system including a catalyst composition comprising a carbon oxide(s) conversion catalyst; and a dehydration/hydrogenation catalyst comprising a silicoalumino phosphate (SAPO) molecular sieve and metal M, wherein at least a portion of the gas feed stream is converted to saturated hydrocarbons.

### Claim 52 (depends on 51)

A process according to claim 51, wherein the catalyst composition comprises a catalyst composition as defined above, or a catalyst composition prepared as defined above.

### Claim 53 (depends on 51)

A process according to claim 51, wherein the temperature of the reaction system is between from about 280° C. to 370° C.

### Claim 54 (depends on 51)

A process according to claim 51 wherein the pressure of the feed stream is between from about 5 to 50 bar.

### Claim 55 (depends on 51)

A process according to claim 51 wherein gas space velocity of the reaction system is between from 300 to 15000 h−1.

### Claim 56 (depends on 51)

A process according to claim 51 further including carrying out a regeneration treatment, the regeneration treatment including heating the M-SAPO compostion to a temperature of at least 500° C.

### Claim 57 (depends on 51)

A process according to claim 51 for the generation of saturated C3 and higher hydrocarbons form carbon oxide(s) and hydrogen, wherein the dehydration/hydrogenation catalyst comprises a SAPO having an average pore size of at least 0.7 nm.

### Claim 58 (depends on 57)

A process according to claim 57, wherein the dehydration/hydrogenation catalyst comprises a SAPO having an average pore size of at least 0.73. nm.

### Claim 59 (depends on 51)

A hydrocarbon product produced by a process according to claim 51.

### Claim 60

Apparatus for use in a process for the generation of saturated hydrocarbons from carbon oxide(s) and hydrogen, the apparatus including a catalyst bed including a catalyst composition comprising a carbon oxide(s) conversion catalyst and a dehydration/hydrogenation catalyst comprising a silicoalumino phosphate (SAPO) molecular sieve and a metal M.