Zhengzhou
China
Henan Agricultural University
methane production, Magnetic biochar, co-digestion, recycling, Cost-benefit analysis
Corn straw, Composite microbial pretreatment, Dry anaerobic digestion, Two-phase;Microbial community
Anaerobic Digestion, (CH4+CO2)-Nanobubble Water, Varying particle sizes, Cellulose crystallinity, Enzymatic activity
Hydrogen bubbles, Motion characteristics, Photo-biohydrogen, Corn stalk
Organic Rankine Cycle, Waste heat, Solar energy, Multiple heat sources, Multi-objective optimization