2013•Advanced materials researchOpen access

Effect of Biogas Slurry on Biogas Production for Anaerobic Digestion of Corn Straws

Xiao Bai, Zi Fu Li, Xue Mei Wang, Fubin Yin, Xiao Xi Wang

Abstract

The study determined the biogas production potential of different concentrations of biogas slurry co-digested with cornstalk at the TS of 8%. It turned out that pure biogas slurry mixed with cornstalk had the best performance. Besides, using biogas slurry without adding any water could keep the pH of the system at 6.9-7.2, while acidification happened when using other concentrations of biogas slurry and the pH went below 6.4.

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Key concepts: Slurry, Biogas, Anaerobic digestion, Biogas production, Waste management, Pulp and paper industry, Environmental science, Chemistry