Nigerian researcher seeks use of corncob, sawdust for building materials production

A Nigerian Researcher, Dr Akinyemi Banjo Ayobami has solicited the use of corncob and sawdust for the production of building materials like particle boards as a means of enhancing sustainability in the construction sector in the country.

The Researcher and a registered engineer with COREN is advocating the development of eco-friendly building solutions by repurposing agricultural waste in Nigeria.

In a recent study titled ‘Some properties of composite corncob and sawdust particle boards’, Ayobami explores the feasibility of producing particle boards from corncob (CC) and sawdust (SD), offering a sustainable alternative to traditional building materials in the country.

According to him, “this innovative research addresses the critical need to manage agricultural residues, such as corncob and sawdust, which are often discarded, contributing to environmental degradation.”

Akinyemi also noted that by utilising these materials, the research will not only helps reduce waste but also provides a cost-effective solution to the housing challenges faced in developing countries.

“The study evaluates the physical and mechanical properties of particle boards made with varying proportions of corncob and sawdust (0%, 25%, 50%, 75%, and 100%), bound with urea formaldehyde resin. The results demonstrate that replacing 25-50% of sawdust with corncob enhances the physical properties of the panels, making them ideal for indoor applications such as ceiling boards and wall claddings.

“However, the mechanical properties, including modulus of rupture (MOR) and modulus of elasticity (MOE), were found to be less suitable for load-bearing applications, particularly at higher corncob content.”

Despite these limitations, Akinyemi’s research highlights the potential of composite corncob and sawdust particle boards for non-structural applications.

The study underscores the importance of leveraging locally available resources to promote sustainable construction practices, particularly in regions where traditional building materials are scarce or expensive.

Akinyemi’s research aims to contribute to a more sustainable future for the construction industry by pioneering the use of corncob and sawdust in particle board production.

The research also offers a promising pathway in reducing environmental impact while addressing the need for affordable and sustainable building materials.

“This work exemplifies the innovative approaches required to tackle global challenges in waste management and housing,” he stated.

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