Journal Article 1 090 Methane 454 OP0UW79H66 445 Anaerobic digestion 394 Biofuels 342 Sewage 255 Manure 149 plus ... Research Support, Non-U.S. Gov't 142 anaerobic digestion 124 Solid Waste 111 Waste Water 78 Nitrogen 71 Fatty Acids, Volatile 68 N762921K75 67 Biogas 65 Digestibility 61 Food waste 59 Ammonia 54 biogas 54 Soil 52 Anaerobic co-digestion 50 Digestate 49 7664-41-7 47 Co-digestion 46 Industrial Waste 39 Review 39 Fertilizers 35 Sewage sludge 35 Phosphorus 34 7440-44-0 33 moins ...