title: Feasibility of biogas production from anaerobic co-digestion of herbal-extraction residues with swine manure.
abstract: The objective of this work was to examine the feasibility of biogas production from the anaerobic co-digestion of herbal-extraction residues with swine manure. Batch and semi-continuous experiments were carried out under mesophilic anaerobic conditions. Batch experiments revealed that the highest specific biogas yield was 294 mL CH(4) g(-1) volatile solids added, obtained at 50% of herbal-extraction residues and 3.50 g volatile solids g(-1) mixed liquor suspended solids. Specific methane yield from swine manure alone was 207 mL CH(4) g(-1) volatile solid added d(-1) at 3.50 g volatile solids g(-1) mixed liquor suspended solids. Furthermore, specific methane yields were 162, 180 and 220 mL CH(4) g (-1) volatile solids added d(-1) for the reactors co-digesting mixtures with 10%, 25% and 50% herbal-extraction residues, respectively. These results suggested that biogas production could be enhanced efficiently by the anaerobic co-digestion of herbal-extraction residues with swine manure.
authors.affiliation: Centre for Low-Carbon Biotechnology, School of Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China.
authors.forename: Yan
authors.initials: Y
authors.lastname: Li
authors.forename: Xi-Luan
authors.initials: XL
authors.lastname: Yan
authors.forename: Jie-Ping
authors.initials: JP
authors.lastname: Fan
authors.forename: Jian-Hang
authors.initials: JH
authors.lastname: Zhu
authors.forename: Wen-Bin
authors.initials: WB
authors.lastname: Zhou
mesh_terms: D000693:Anaerobiosis; D000704:Analysis of Variance; D000818:Animals; D056804:Biofuels / Q000032:analysis*; D001709:Biotechnology / Q000379:methods*; D005240:Feasibility Studies; D008372:Manure / Q000032:analysis*; D008697:Methane / Q000096:biosynthesis; D010936:Plant Extracts / Q000737:chemistry*; D012044:Regression Analysis; D034421:Sus scrofa
chemical_list: D056804:Biofuels; D008372:Manure; D010936:Plant Extracts; D008697:Methane