Effects of temperature and inoculation ratio on methane production and nutrient solubility of swine manure anaerobic digestion

[Display omitted] •Mesophilic condition was optimal temperature for AD of swine manure.•The maximum cumulative CH4 yield was obtained with F/I ratio of 2.0 and 3.0.•With increase of F/I ratio, the lag phase increased while reaction rate decreased.•AD increased solubility of N, Cu, and Zn while decre...

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