<i>Rhodotorula glutinis</i> Annona muricata CHO index Carica papaya Chlorella Clostridiales Jerusalem artichoke MFC Methanothermobacter Miscanthus Nejayote RSM SOFC Taguchi method Van Krevelen diagram Vietnam acetone acid pretreatment acidity index air-steam gasification alcohols alkali pretreatment alkanes anaerobic digestion anaerobic fermentation ball mill bio-electro-Fenton microbial fuel cells (Bio-E-Fenton MFCs) bio-oils biochemical methane potential biodiesel