Activated carbon 1 Banana peel waste 1 Banana peel wastes Biodegradability 1 Biogas 1 Biomethanization 1 Carbon cycles 1 Carbonization 1 Chemical activation 1 Combustion 1 Crystallinity 1 Electrodes 1 Fruits 1 Lithium batteries 1 Low concentrations 1 Mass balance 1 Mesophilic 1 Potassium hydroxide 1 Precursor materials 1 Renewable energy resources 1 Sulphurous compounds 1 Valorisation 1 Waste incineration 1 Zero carbons 1 activated carbon 1 alternative energy 1 concentration (composition) 1 crop residue 1 electrode 1 valorization 1