Experimental study of biogas production from water hyacinth Djomsi Brillant Wembe, Rolland Djomi, Noel Konai, Gilles Nkadeu and Guy Edgar Ntamack Sci. Tech. Energ. Transition, 78 (2023) 14 Published online: 24 May 2023 DOI: 10.2516/stet/2023010