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Vol. 25 No. 15 (2013): Vol 25 Issue 15

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Feasibility of Anaerobic Co-Digestion of Waste Activated Sludge and Corn Straw to Produce Methane-Batch Experiment

https://doi.org/10.14233/ajchem.2013.15673
Min Ji
State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, P.R. China
Xiaogang Jiang
School of Environmental Science and Technology, Tianjin University, Weijin Road 78, Nankai District, Tianjin 300072, P.R. China
Fen Wang
School of Environmental Science and Technology, Tianjin University, Weijin Road 78, Nankai District, Tianjin 300072, P.R. China

Corresponding Author(s) : Fen Wang

wangfen@tju.edu.cn

Asian Journal of Chemistry, Vol. 25 No. 15 (2013): Vol 25 Issue 15

Abstract

This work comprises, the feasibility of anaerobic co-digestion of waste activated sludge and corn straw to produce methane. It showed that co-digestion of waste activated sludge and corn straw could increase C/N of substrate and it was benefit for anaerobic digestion. Anaerobic co-digestion efficiency was higher than anaerobic digestion efficiency of pure waste activated sludge. It was found that co-digestion of waste activated sludge and corn straw could raise biogas yield and initial biogas production time was 3-6 days before initial time of pure waste activated sludge. Biogas production of co-digestion lasted for 27 days and cumulative yield was 7 times of anaerobic digestion of pure waste activated sludge.

Keywords

Anaerobic digestion Waste activated sludge Corn straw Water immersion
Ji, M., Jiang, X., & Wang, F. (2013). Feasibility of Anaerobic Co-Digestion of Waste Activated Sludge and Corn Straw to Produce Methane-Batch Experiment. Asian Journal of Chemistry, 25(15), 8793–8796. https://doi.org/10.14233/ajchem.2013.15673
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