Enhanced hydrogen generation from biodiesel-waste glycerol using Ni/SBA-15 catalyst synthesized from boiler ash

Nornasuha, Abdullah and Nurul Aini, Razali and Herma Dina, Setiabudi and Abdul Rahman, Mohamed and Aishah, Abdul Jalil (2024) Enhanced hydrogen generation from biodiesel-waste glycerol using Ni/SBA-15 catalyst synthesized from boiler ash. International Journal of Hydrogen Energy, 53. pp. 1052-1064. ISSN 0360-3199. (Published)

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Abstract

The successful synthesis of the mesostructured SBA-15 derived from extracted boiler ash silica (BA) with distinct Ni loading (15 wt%, 20 wt%, and 25 wt%) towards H2 production from CO2 and C3H8O3 was explored. The catalysts prepared by the ultrasonic-assisted method were subjected to 8 h of GDR at 800 °C. The XRD and N2 sorption revealed reduced area and crystallinity in 25 wt% Ni versus 15 wt% Ni catalyst. 20 Ni/SBA-15(BA) exhibited a larger area (234 m2/g), aperture (8.99 nm), and small NiO crystallite (18.34 nm), implying well-dispersed Ni species on SBA-15(BA) surface. 20 Ni/SBA-15(BA) displayed the highest GDR catalytic activity (57 %), credited to its accessible structure, strong Ni–O–Si bonding, and good Ni dispersion that reduced coke formation (9.8 % carbon). This discovery highlights the excellent performance of 20 wt% of Ni loaded on SBA-15 by using green silica source extracted from waste material for H2 fuel production.

Item Type:	Article
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	Ash waste; Clean fuel; Dry reforming; Glycerin; Metal-support interaction
Subjects:	H Social Sciences > HD Industries. Land use. Labor > HD28 Management. Industrial Management Q Science > Q Science (General) T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology
Faculty/Division:	Institute of Postgraduate Studies Faculty of Chemical and Process Engineering Technology Centre for Research in Advanced Fluid & Processes (Fluid Centre)
Depositing User:	Mr Muhamad Firdaus Janih@Jaini
Date Deposited:	15 Jan 2024 06:42
Last Modified:	18 Jul 2024 06:20
URI:	http://umpir.ump.edu.my/id/eprint/40007
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