Aniokete, Thomas Chinedu2021-05-202021-05-202020https://hdl.handle.net/10539/31297Thesis presented for the degree of Doctor of Philosophy (Ph.D.) in Chemical Engineering to the School of Chemical and Metallurgical Engineering in the Faculty of Engineering and the Built Environment, University of the Witwatersrand, 2020enSynthesis optimization and performance evaluation of waste-derived solid hydroxy sodalite catalyst for the transesterification of animal fat oil to biodieselThesis