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Volume 25 Issue 1
Nov.  2011
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Article Contents
YE Xiao-mei, ZHOU Li-xiang, YAN Shao-hua, CHANG Zhi-zhou, DU Jing. Anaerobic digestion of water hyacinth Juice in CSTR reactor[J]. Fujian Journal of Agricultural Sciences, 2010, 25(1): 100-103.
Citation: YE Xiao-mei, ZHOU Li-xiang, YAN Shao-hua, CHANG Zhi-zhou, DU Jing. Anaerobic digestion of water hyacinth Juice in CSTR reactor[J]. Fujian Journal of Agricultural Sciences, 2010, 25(1): 100-103.

Anaerobic digestion of water hyacinth Juice in CSTR reactor

  • Received Date: 2009-08-02
  • Rev Recd Date: 2009-11-28
  • Publish Date: 2010-02-15
  • Feasibility of using water hyacinth juice for methane production in a 10 L stirring tank reactor(CSTR) at 35℃ was studied.The entire process took 40 days,and the organic loading rate was increased step by step from 0.5 kg CODm-3d-1 to 5 kg CODm-3d-1.The CSTR started up quickly,and after 30 days,the organic loading rate reached 5 kg CODm-3d-1 with 75% COD removal rate.HRT was reduced by half,from 5 days to 2.5 days,while the volume biogas production rate reached 1.1 m3m-3d-1 with a methane content of 65%.In processing,the effluent pH was stable between 7.2-7.6,indicating that the reactor was adequate in handling the increased organic loading.The results suggested that water hyacinth juice could be used as a substrate for methane production,and that the CSTR anaerobic digestion system could be effectively employed for the application.
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