Catalyst for oxychlorination process of hydrocarbon, method for producing same, and method for manufacturing oxychlorinated compound of hydrocarbon by using same

Patent metadata

Field	Value
Publication number	US-12533661-B2
Application number	US-201916958385-A
Country	US
Kind code	B2
Filing date	Feb 22, 2019
Priority date	Feb 23, 2018
Publication date	Jan 27, 2026
Grant date	Jan 27, 2026

Abstract

A catalyst for an oxychlorination process of hydrocarbons, a preparation method thereof, and a method for preparing an oxychlorination compound of hydrocarbons using the same.

First claim

The invention claimed is:

1 . A catalyst for an oxychlorination process of hydrocarbons, the catalyst comprising:
a catalyst material comprising iron from a F(NO 3 ) 3 .9H 2 O precursor; and a carrier consisting of CeO 2 , wherein the carrier has a specific surface area of 120 m 2 /g to 150 m 2 /g; wherein a content of the catalyst material is 3 wt % to 4 wt % based on a total weight of the catalyst, wherein the catalyst is prepared by dissolving the Fe(NO 3 ) 3 .9H 2 O precursor in water, adding the carrier, mixing, evaporating the water, and drying to provide the catalyst, wherein the catalyst is in the form of particles having a diameter of 0.18 mm to 0.25 mm, and wherein a content of the iron in the catalyst material is 100 wt % based on a total weight of the catalyst material.

2 . The catalyst according to claim 1 , wherein the carrier has a specific surface area of 130 m 2 /g to 150 m 2 /g.

3 . The catalyst according to claim 1 , wherein the content of the catalyst material is 3 wt % to 3.5 wt % based on a total weight of the catalyst.

4 . A method for preparing the catalyst for an oxychlorination process of hydrocarbons according to claim 1 , the method comprising:
preparing the carrier consisting of CeO 2 ; and supporting the catalyst material comprising iron from a Fe(NO 3 ) 3 .9H 2 O precursor on the carrier.

5 . The method according to claim 4 , wherein the carrier has a specific surface area of 130 m 2 /g.

6 . The method according to claim 4 , wherein the content of the catalyst material is 3 wt % based on a total weight of the catalyst.

7 . The method according to claim 4 , wherein the content of the catalyst material is 3.5 wt % based on a total weight of the catalyst.

8 . The method according to claim 4 , wherein the content of the catalyst material is 4 wt % based on a total weight of the catalyst.

9 . A method for preparing an oxychlorination compound of hydrocarbons, comprising:
performing an oxychlorination reaction of hydrocarbons in the presence of the catalyst according to claim 1 .

10 . The method of claim 9 , wherein the method is performed under a process temperature of 450° C. to 550° C., a pressure of 0.5 atm to 3 atm, and a space velocity of 2,000 h −1 to 20,000 h −1 .

11 . The method of claim 10 , wherein the process temperature is 450° C. to 530° C.

12 . The method of claim 9 , wherein the method is performed in a packed bed reactor, a fluidized bed reactor, or a circulating fluidized bed 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

• B01J2235/15

  X-ray diffraction · CPC title

• B01J37/02

  Impregnation, coating or precipitation ({B01J37/0009 and B01J37/0018 take precedence } ; protection by coating B01J33/00) · CPC title

• B01J35/61

  Surface area · CPC title

• B01J35/40

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

• B01J23/83 Primary

  with rare earths or actinides · CPC title