Feng Yajun, Yuan Hairong, Zhang Liang, Li Chao, Gao Jian, Li Xiujin. Performance and synergistic effect of anaerobic co-digestion of corn stover and chicken manure[J]. Chinese Journal of Environmental Engineering, 2013, 7(4): 1489-1494.
Citation: Feng Yajun, Yuan Hairong, Zhang Liang, Li Chao, Gao Jian, Li Xiujin. Performance and synergistic effect of anaerobic co-digestion of corn stover and chicken manure[J]. Chinese Journal of Environmental Engineering, 2013, 7(4): 1489-1494.

Performance and synergistic effect of anaerobic co-digestion of corn stover and chicken manure

  • Received Date: 29/05/2012
    Accepted Date: 17/02/2012
    Available Online: 09/04/2013
    Fund Project:
  • Performance and synergistic effect of anaerobic co-digestion of corn stover and chicken manure were investigated. Nine ratios of corn stover to chicken manure (CS/CM) (1∶0,1∶1,1∶2,1∶3,1∶4,2∶1,3∶1,4∶1,and 0∶1)) and three loading rates of total solids (TS) (50, 65 and 80 g/L) were used. The results showed that compared to co-digestion of untreated corn stover and chicken manure, 5.5%~62% more biogas productions were obtained for co-digestion of NaOH pretreated ones. The co-digestion with CS/CM of 1∶2 and loading rate of 50 g TS/L obtained the highest total methane production of 19 488 mL, which was 32.6% and 11.4% higher than that of the CS/CM ratios of 1∶0 and 0∶1 at the same loading rate. The synergistic effect of co-digestion of chicken manure with NaOH pretreated corn stover contributed to methane yield increase of 7.1%~17.7%. The synergistic effect of the co-digestion with CS/CM of 1∶2 was 25%~150% higher than other radios. This study would provide the parameters for effective operation and optimal design of anaerobic co-digestion facility of straw and manure.
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Performance and synergistic effect of anaerobic co-digestion of corn stover and chicken manure

Fund Project:

Abstract: Performance and synergistic effect of anaerobic co-digestion of corn stover and chicken manure were investigated. Nine ratios of corn stover to chicken manure (CS/CM) (1∶0,1∶1,1∶2,1∶3,1∶4,2∶1,3∶1,4∶1,and 0∶1)) and three loading rates of total solids (TS) (50, 65 and 80 g/L) were used. The results showed that compared to co-digestion of untreated corn stover and chicken manure, 5.5%~62% more biogas productions were obtained for co-digestion of NaOH pretreated ones. The co-digestion with CS/CM of 1∶2 and loading rate of 50 g TS/L obtained the highest total methane production of 19 488 mL, which was 32.6% and 11.4% higher than that of the CS/CM ratios of 1∶0 and 0∶1 at the same loading rate. The synergistic effect of co-digestion of chicken manure with NaOH pretreated corn stover contributed to methane yield increase of 7.1%~17.7%. The synergistic effect of the co-digestion with CS/CM of 1∶2 was 25%~150% higher than other radios. This study would provide the parameters for effective operation and optimal design of anaerobic co-digestion facility of straw and manure.

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