id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
azojete-1116	Allen, M. A.; Nwosu-Obieogu, K.; Erokare, T. E.; Okoye, J.; Francis, M. U.; Nwogu, C. N.; Itiri, H.	Transesterification of Waste Frying Oil Using Alkaline Activated Waste Marble Catalyst: Effects of Process Parameters, Modeling, and Optimization	2025	15	.pdf	application/pdf	7534	354	52	ISSN 1596-2490; e-ISSN2545-5818; www.azojete.com.ng Corresponding author’s email address: kenenwosuobie@mouau.edu.ng 729 Figure 7: GCMS analysis of optimal waste frying oil biodiesel It can be shown that the triglyceride of the waste frying oil was transformed to methyl esters in Fig. 7 after being subjected to an alkaline-activated waste marble catalyst. ABSTRACT Through calcination at 600oC for four hours, a novel alkaline activated waste marble heterogeneous catalyst was produced and successfully used for biodiesel synthesis from waste frying oil.	cache/azojete-1116.pdf	txt/azojete-1116.txt