Title: Nickel nanoparticles loaded on ceria oxide spheres as catalyst for dry reforming of methane

Authors: Diep Ngoc Le; Phuc Hoan Tu; Dung Trung Dao; Tin Chanh Duc Doan; Chien Mau Dang

Addresses: Institute for Nanotechnology (INT), Community 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, 700000, Vietnam; Vietnam National University, Ho Chi Minh City (VNUHCM), Community 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, 700000, Vietnam ' Institute for Nanotechnology (INT), Community 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, 700000, Vietnam; Vietnam National University, Ho Chi Minh City (VNUHCM), Community 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, 700000, Vietnam; Department of Hydrogen Energy Systems, Graduate School of Engineering, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan ' Institute for Nanotechnology (INT), Community 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, 700000, Vietnam; Vietnam National University, Ho Chi Minh City (VNUHCM), Community 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, 700000, Vietnam ' Institute for Nanotechnology (INT), Community 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, 700000, Vietnam; Vietnam National University, Ho Chi Minh City (VNUHCM), Community 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, 700000, Vietnam ' Institute for Nanotechnology (INT), Community 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, 700000, Vietnam; Vietnam National University, Ho Chi Minh City (VNUHCM), Community 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, 700000, Vietnam

Abstract: In this paper, nickel particles were loaded on ceria oxide flowers dispersed on a framework of inorganic fibres as catalyst for dry reforming of methane. The tests of dry reforming of methane were performed at 700-800°C. With the Ni/Ce flowers, at 700°C, 750°C and 800°C initial CH₄ conversion and after 100 h were 85-63%, 93-88%, 96-87%, respectively. Without the dispersion of ceria oxide flowers, CH₄ conversion was 96-70% at 800°C. The samples were reactivated after 100 h of reforming at 800°C and then the reforming reaction was performed again for another 100 h. It was found that the conversion of CH₄ after reactivation was higher and more stable than the original catalyst by a few per cent.

Keywords: dry reforming; ceria oxide flower; reactivation.

DOI: 10.1504/IJNT.2020.111337

International Journal of Nanotechnology, 2020 Vol.17 No.7/8/9/10, pp.740 - 753

Published online: 20 Nov 2020 *

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