Enhanced Treatment of CSTR Anaerobic Digested Effluent from Poultry Wastewater by IC Reactor

Abstract:

The feasibility of applying internal circulation (IC) reactor anaerobic treatment for effluent from a CSTR plant treating poultry wastewater was examined and the key controlling factors were explored. A continuous-flow IC reactor of 12.3L capacity inoculated with anaerobic granular sludge was operated for 98 days at 35±1°C. With corresponding organic loading rate of 1.5-3.5 kgCOD/m³•d at hydraulic retention time of 1.5d, the maximum volumetric biogas production rate of 1.2 m³/m³•d and tCOD (total COD) removal efficiency in the range of 70-80% was achieved. Therefore, IC reactor is competent to treat CSTR effluent from poultry wastewater. The decrease of sCOD (soluble COD) relative to tCOD and ammonia inhibition may lead to deterioration of IC reactor anaerobic treatment.

• Periodical: Advanced Materials Research (Volumes 433-440)
• Pages: 1239-1244
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.433-440.1239
• Online since: January 2012
• Authors: Zhan Guang Liu, Xue Fei Zhou, Ya Lei Zhang, Hong Guang Zhu
• Keywords: Ammonia Inhibition, Anaerobic Digested Effluent, Biogas, IC Reactor, Poultry Wastewater

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