Partial oxidation process of hydrocarbons

Patent metadata

Field	Value
Publication number	US-2021046458-A1
Application number	US-201916978901-A
Country	US
Kind code	A1
Filing date	Mar 13, 2019
Priority date	Mar 13, 2018
Publication date	Feb 18, 2021
Grant date	—

Abstract

A partial oxidation process of hydrocarbons is provided, including bringing an inlet gas into contact with a catalyst, the inlet gas including a hydrocarbon raw material gas and a hydrogen chloride gas, wherein the catalyst includes a catalyst material including palladium (Pd), which catalyst material is supported on a carrier including cerium oxide (CeO 2 ) and an amount of catalyst material supported on the carrier is 2 wt % to 10 wt % based on a total weight of the catalyst.

First claim

1 . A partial oxidation process of hydrocarbons, comprising:
contacting inlet gas with a catalyst, said inlet gas comprising a hydrocarbon raw material gas and a hydrogen chloride gas, wherein the catalyst comprises a catalyst material comprising palladium (Pd), which catalyst material is supported on a carrier comprising cerium oxide (CeO 2 ), and an amount of catalyst material supported on the carrier is 2 wt % to 10 wt % based on a total weight of the catalyst.

2 . The partial oxidation process of claim 1 , wherein a ratio of volume flow rates of the hydrocarbon raw material gas to the hydrogen chloride gas is 1:1 to 10:1.

3 . The partial oxidation process of claim 1 , wherein the inlet gas further comprises an oxygen gas, and a ratio of volume flow rates of the hydrocarbon raw material gas to the oxygen gas is 1:1 to 10:1.

4 . The partial oxidation process of claim 1 , wherein the process is performed at a process temperature of 450° C. to 600° C. and a pressure of 0.5 atm to 3 atm.

5 . The partial oxidation process of claim 1 , wherein a space velocity of the inlet gas is 10,000 ml/(h·gcat) to 50,000 ml/(h·gcat).

6 . The partial oxidation process of claim 1 , wherein the inlet gas further comprises at least one inert gas selected from the group consisting of nitrogen gas, helium gas, argon gas, and carbon dioxide gas.

7 . The partial oxidation process of claim 6 , wherein a ratio of volume flow rates of the hydrocarbon raw material gas to the at least one inert gas is 1:1 to 1:5.

8 . The partial oxidation process of claim 1 , wherein an amount of catalyst material supported on the carrier is 2 wt % to 8 wt % based on the total weight of the catalyst.

9 . The partial oxidation process of claim 1 , wherein the catalyst is in the form of particles having an average particle diameter of 0.1 mm to 10 mm.

10 . The partial oxidation process of claim 1 , wherein the catalyst material further comprises at least one selected from the group consisting of scandium (Sc), yttrium (Y), lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), lutetium (Lu), platinum (Pt), rhodium (Rh), osmium (Os), iridium (Ir), and zirconium (Zr), which is supported on the carrier.

11 . The partial oxidation process of claim 1 , wherein the carrier comprises cerium oxide in an amount of 50 wt % to 100 wt % based on the total weight of the carrier.

12 . The partial oxidation process of claim 1 , wherein said contacting is carried out by injecting the inlet gas into a reactor containing the catalyst.

13 . The partial oxidation process of claim 12 , wherein the hydrogen chloride gas is continuously injected into the reactor.

Assignees

• Lg Chemical Ltd
• Seoul Nat Univ R&Db Foundation

Inventors

• Bang Jungup
• Kim Do Heui
• Hwang Gyo Hyun
• Jung Jongwook
• Bang Yongju
• Ryou Youngseok
• Kim Jeongeun

Classifications

• B01J35/40

  characterised by dimensions, e.g. grain size (in a colloidal state B01J35/23; crystallite size B01J35/77) · CPC title

• C01B2203/1064

  Platinum group metal catalysts · CPC title

• C01B2203/1235

  Hydrocarbons · CPC title

• C01B3/36 Primary

  using oxygen; using mixtures containing oxygen as gasifying agents · CPC title

• C01B2203/1276

  Mixing of different feed components · CPC title