Jagaba, A.H. and Lawal, I.M. and Ghfar, A.A. and Usman, A.K. and Yaro, N.S.A. and Noor, A. and Abioye, K.J. and Birniwa, A.H.  (2023) Biochar-based geopolymer nanocomposite for COD and phenol removal from agro-industrial biorefinery wastewater: Kinetic modelling, microbial community, and optimization by response surface methodology.  Chemosphere, 339.