	US 12,465,906 B2
	Catalyst composition for the production of hydrogen
Lavanya Meesala, Bengaluru (IN); and Pramod Kumar, Bengaluru (IN)
Assigned to HINDUSTAN PETROLEUM CORPORATION LIMITED, Bengaluru (IN)
Appl. No. 17/641,775
Filed by HINDUSTAN PETROLEUM CORPORATION LIMITED, Bengaluru (IN)
PCT Filed Jun. 3, 2021, PCT No. PCT/IB2021/054866 § 371(c)(1), (2) Date Mar. 9, 2022, PCT Pub. No. WO2022/043773, PCT Pub. Date Mar. 3, 2022.
Claims priority of application No. 202041036816 (IN), filed on Aug. 26, 2020.
Prior Publication US 2022/0331784 A1, Oct. 20, 2022
Int. Cl. B01J 23/80 (2006.01); B01J 21/18 (2006.01); B01J 35/30 (2024.01); B01J 35/40 (2024.01); B01J 35/45 (2024.01); B01J 35/61 (2024.01); B01J 35/63 (2024.01); B01J 37/02 (2006.01); B01J 37/04 (2006.01); B01J 37/08 (2006.01); C01B 3/26 (2006.01); C01B 3/30 (2006.01); C01B 32/162 (2017.01)

CPC B01J 23/80 (2013.01) [B01J 21/18 (2013.01); B01J 35/394 (2024.01); B01J 35/40 (2024.01); B01J 35/45 (2024.01); B01J 35/617 (2024.01); B01J 35/635 (2024.01); B01J 37/0207 (2013.01); B01J 37/0213 (2013.01); B01J 37/04 (2013.01); B01J 37/088 (2013.01); C01B 3/26 (2013.01); C01B 3/30 (2013.01); C01B 32/162 (2017.08); C01B 2203/0277 (2013.01); C01B 2203/1058 (2013.01); C01B 2203/1082 (2013.01); C01B 2203/1241 (2013.01)]

16 Claims

1. A catalyst composition for production of a methane off-gas and a carbon nanotube by a conversion of methane, wherein the methane off-gas includes 10-30 vol % of hydrogen and the carbon nanotube has purity in the range of 90-99%, said composition comprising:

nickel;

promoter comprising of Cu and Zn; and

a support material selected from steamed biochar and spent FCC equilibrium catalyst;

wherein the nickel loading is in the range of 6-10 wt % and the promoter loading is in the range of 0.2-5 wt % with respect to the support material;

wherein the steamed biochar has a surface area of 860 m²/g.