**Author details**

Ifeanyi Michael Smarte Anekwe1 \*, Jeremiah Adedeji<sup>2</sup> , Stephen Okiemute Akpasi3 and Sammy Lewis Kiambi3

1 School of Chemical and Metallurgical Engineering, University of the Witwatersrand, Johannesburg, South Africa

2 Department of Chemical Engineering, School of Engineering, University of KwaZulu-Natal, Durban, South Africa

3 Department of Chemical Engineering, Durban University of Technology, Durban, South Africa

\*Address all correspondence to: anekwesmarte@gmail.com

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