Nickel catalyst for hydrogenation reaction and manufacturing method therefor

Patent metadata

Field	Value
Publication number	US-2022370985-A1
Application number	US-202017623310-A
Country	US
Kind code	A1
Filing date	Jun 25, 2020
Priority date	Jun 28, 2019
Publication date	Nov 24, 2022
Grant date	—

Abstract

The present invention relates to a nickel catalyst for a hydrogenation reaction and a manufacturing method therefor, and relates to a nickel catalyst added in a hydrogenation reaction for improving a color of a hydrocarbon resin. The catalyst according to the present invention has a small crystallite size and improves dispersibility, while having high nickel content, and thus can provide high activity in hydrogenation reactions.

First claim

1 . A catalyst for a hydrogenation reaction, comprising:
0.1-3 parts by weight of at least one promoter selected from sulfur and sulfur oxide and 10-50 parts by weight of a silica carrier as a support, based on 40-80 parts by weight of at least one active ingredient selected from nickel and nickel oxide.

2 . The catalyst of claim 1 , wherein the catalyst comprises 50 parts by weight or more of the active ingredient, and comprises 0.1-3.0 parts by weight of the promoter based on 100 parts by weight of the active ingredient.

3 . The catalyst of claim 1 , wherein a particle size distribution of the catalyst has an average particle size D 10 of 2 μm or more, D 50 of 5-7 μm, and D 90 of 15 μm or less.

4 . The catalyst of claim 1 , wherein the catalyst has a meso pore size of 4.5 nm or more in pore structure analysis using a nitrogen adsorption method, a BET specific surface area of 200 m 2 /g or more, and a cumulative BJH adsorption volume of 0.25 c m 3 /g or more.

5 . The catalyst of claim 1 , wherein the nickel has an average crystallite size of 3-8 nm.

6 . The catalyst of claim 1 , wherein the silica carrier has a specific surface area of 200-400 m 2 /g and a pore size of 10-30 nm.

7 . The catalyst of claim 1 , wherein a reactant in the hydrogenation reaction is a hydrocarbon resin.

8 . The catalyst of claim 1 , wherein a reactant in the hydrogenation reaction is a hydrocarbon resin including at least one selected from a hydrocarbon resin including dicyclopentadiene (DCPD), a hydrocarbon resin including C5 fraction, and a hydrocarbon resin including C9 fraction.

9 . The catalyst of claim 1 , wherein the catalyst is in at least one form selected from a powder form, a particle form, and a granular form.

10 . A method for manufacturing a catalyst for a hydrogenation reaction, the method comprising:
(a) preparing a first solution by dissolving 10-50 parts by weight of a silica carrier as a support in a solvent based on 40-80 parts by weight of nickel as an active ingredient; (b) adding the first solution to a precipitation container and heating the first solution to a temperature of 60-100° C. while stirring; (c) preparing a precipitate of the first solution by adding a pH control agent to the precipitation container after the heating; (d) washing and filtering the precipitate and drying the precipitate at 100-200° C. for 5-24 hours to prepare a dried product; and (e) reducing the dried product in a hydrogen atmosphere to prepare a reduced product.

11 . The method of claim 10 , further comprising, after the step (d), calcining the dried product in an air atmosphere before the reduced product is prepared.

12 . The method of claim 11 , wherein a temperature of the air atmosphere is 200-500° C.

13 . The method of claim 10 , further comprising, after the step (e), passivating the reduced product with a nitrogen mixed gas including 0.1-20% oxygen.

14 . The method of claim 10 , further comprising, after the step (e), passivating the reduced product by immersing the reduced product into an organic solvent.

15 . The method of claim 10 , wherein a pH in the step (c) of preparing the precipitate is 7-9.

16 . The method of claim 10 , wherein a temperature of the hydrogen atmosphere in the step (e) is 200-500° C.

17 . A hydrogenation method for contacting a hydrocarbon resin with hydrogen in the presence of the catalyst for the hydrogenation reaction manufactured by the method of claim 10 .

18 . The hydrogenation method of claim 17 , wherein the hydrocarbon resin comprises at least one selected from a hydrocarbon resin including dicyclopentadiene (DCPD), a hydrocarbon resin including C5 fraction, and a hydrocarbon resin including C9 fraction.

Assignees

• Hanwha Solutions Corp

Inventors

• Park Woo Jin
• Jeon Bong Sik
• Lee Yong Hee
• Jung Eui Geun

Classifications

• B01J27/02

  Sulfur, selenium or tellurium; Compounds thereof · CPC title

• B01J37/18

  with gases containing free hydrogen · CPC title

• B01J37/031

  Precipitation · CPC title

• B01J37/035

  Precipitation on carriers · CPC title

• B01J21/08

  Silica · CPC title