Faculty of Engineering

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    Essential basics on biomass torrefaction, densification and utilization
    (Wiley, 2020-09-24) Adekunle Akanni Adeleke; Jamiu Kolawole Odusote; Peter Pelumi Ikubanni; Olumuyiwa A. Lasode; Madhurai Malathi; Dayanand Paswan
    Torrefaction and densification are crucial steps in upgrading biomass as feed-stock for energy generation and metallurgical applications. This paperattempts to discuss essential basics on biomass torrefaction and densification,which can propel developing nation to take full advantage of them. The mostpromising clean energy sources that have found applications in various areasare biomass materials, that is, both the lignocellulosic and non-lignocellulosi c.However, high moisture contents, low energy density, hydrophilic nature, poorstorage and handling properties are the major drawbacks limiting its useful-ness. Therefore, torrefaction as one of the major thermal pre-treatment pro-cesses to upgrade biomass in terms of improved energy density, hydrophobic,moisture content and grindability has been discussed. The influence of temper-ature, residence time, particle sizes and gas flow rates on the properties of tor-refied biomass has also been discussed. The advantages and disadvantages ofvarious torrefaction technologies have also been highlighted. The possibleareas of application of torrefied biomass especially densification into pelletsand briquettes alongside the equipment required for it have been reviewed inthis paper. The torrefied biomass can be deployed in the metallurgical indus-tries as reducing agent in the development of sponge iron from iron ores ofvarious grade including lean ones. The information gathered in this paperfrom peer-reviewed articles will reduce the burden of seeking to understandthe preliminaries of torrefaction process and its importance
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    Energy from biomass and plastics recycling: a review
    (Taylor and Francis, 2021-01-01) Samuel Oluwafikayo Adegoke; Adekunle Akanni Adeleke; Peter Pelumi Ikubanni; Chiebuka Timothy Nnodim; Ayokunle Olubusayo Balogun; Olugbenga Adebanjo Falode; Seun Olawumi Adetona
    The sustainability of fossil fuel is not guaranteed as it is gradually depleting. Alternative ways to this challenge are to generate biofuel from biomass and plastic solid wastes. Many studies have been done on the actualization of these alternatives. Hence, this study accumulates research from multidiscipline for the purpose of advancing biofuel production for sustainable energy. The necessary information needed by scientists having interest in biofuel production, including government policy, biomass selection, different conversion techniques and different ASTM standards for biodiesel properties are entrenched in this study. For vast biofuel production, there is a need for a collaborative work among fields from microbiologist, biochemist to engineering for the development of innovations, growth of cells, understanding of genetic engineering of algae strains and optimization of biofuel production. Also, a review on the recovery and recycling process of plastic solid waste was done. This is to ensure that the use of plastic solid waste to support energy sustenance will lead to no energy is wasted. Various ASTM standards for investigating the different properties of bio-oil were reviewed. The numerous plastic wastes that have not been utilized in the production of biofuel can be investigated to reduce the environmental pollution.
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    Renewable Energy Conversion from Biomass
    (International Conference on Multidisciplinary Engineering and Applied Sciences (ICMEAS-2023), 2023-11-01) Adekunle Akanni Adeleke ; Petrus Nzerem; Ayuba S.; Esther Nneka Anosike-Francis; Peter Pelumi Ikubanni; Adebayo Isaac Olosho; Abdulrasheed Ado; Adeiza Avidime Samuel; Jakada K.
    The global impacts of fossil fuels have driven governments and companies to investigate other methods of energy production for the benefit of society. The utilization of biomass in energy validates the possibility to replace non-renewable sources of energy. Bioenergy is obtained from a wide variety of sources, including rice husks, bagasse, wood chippings, and sawdust. This article presents an examination of the techniques employed in the conversion of biomass into energy that is suitable for practical applications, ecologically friendly and also the rates at which biomass power is consumed worldwide.