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Ndzondelelo Bingwa, Speaker at Catalysis Conference
University of Johannesburg, South Africa
Title : Biofuel synthesis from biomass-derived platform molecules over inorganic perovskite catalysts

Abstract:

Successfully advocating for the adoption of green and sustainable fuels requires innovative approaches in the design of highly active heterogeneous catalysts. One of the key challenges in biofuel synthesis is the poorly understood mechanistic pathways, which often result in the lack of targeted fuel components. In this study, we address this issue through structural manipulation of metal oxides, specifically by partially substituting active sites, to enhance catalytic performance for biofuel production.

Using biomass-derived feedstocks such as methyl benzoate, we successfully synthesized fuel components with high calorific value. Our findings reveal that the cationic ratio in LaNiCuO? plays a significant role in determining the reaction yield, underlining the importance of precise control over catalyst composition.
Traditionally, biofuels are produced at high temperatures, typically via pyrolysis of lignin to phenolic derivatives, followed by hydrodeoxygenation [1,2]. In contrast, we propose a low-temperature (< 90 °C), one-pot, multistep reaction mechanism for biofuel synthesis. This approach not only simplifies the process but also enhances its economic viability by using low-cost metals and readily available biomass-derived feedstocks.

Biography:

Ndzondelelo Bingwa graduated in chemistry in 2012 from Walter Sisulu University (Eastern Cape, South Africa) and received his PhD at the University of Johannesburg (Johannesburg, South Africa) in 2018. He is working as a lecturer in the department of Chemical Sciences of the University of Johannesburg since his Ph.D graduation. His research focus is mainly on the synthesis of reducible mesoporous metal oxides for use as catalytically active supports for immobilization of various nanoparticles. Ndzondelelo is the author of several international peer-reviewed articles.

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