Biomass Conversion and Biorefinery Valorization of Metallurgical Slag in Cement Clinker Production Published 28 April 2026 Scientific Figures & Analysis Schematic representation of the two-phase anaerobic digestion process showing acidogenic and methanogenic stages. Sugarcane bagasse-derived biochar used as a process enhancement material. Access Publication View Full Paper Download PDF Keywords & Topics Anaerobic digestion Biochar Food waste Hydrogen Methane Two-phase digester