This study evaluated anaerobic digestibility and biogas production potential of microalgal biomass and food waste. Biochemical Methane Potential (BMP) assays were conducted to determine the biogas generation potential of microalgal biomass and food waste both separately and together. Results indicated that several algal species in the collected samples are among the major harmful algal bloom (HAB) taxa found in freshwaters in North America. Bio-methane yields for mono-digestion of microalgal biomass and food waste were found to be 131-188 and 430-542 milliliters of bio-methane per gram of volatile solids (ml CH4/g VS), respectively; while bio-methane yield for co-digestion of microalgal biomass and food waste was 426-505 ml CH4/g VS. Co-digestion of microalgal biomass and food waste resulted in up to 12.3% increase in methane production relative to mono-digestion of these substrates.
|Journal||Environmental Progress and Sustainable Energy|
|State||Published - Nov 13 2020|