Strategy of adjusting recirculation ratio for biohythane production via recirculated temperature-phased anaerobic digestion of food waste

The stable H2 production is the important link in the anaerobic biohythane fermentation. In order to address the key parameters for the stable H2 production in the recirculated temperature-phased anaerobic digestion (R-TPAD) system, a critical strategy was proposed to adjust the recirculation ratio...

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Bibliographic Details
Published in:Energy (Oxford) 2019-07, Vol.179, p.1235-1245
Main Authors: Qin, Yu, Wu, Jing, Xiao, Benyi, Cong, Ming, Hojo, Toshimasa, Cheng, Jun, Li, Yu-You
Format: Article
Language:English
Subjects:
Anaerobic digestion
Fermentation
Food production
Food waste
Hydrogen
Hydrogen production
Hythane
Methane
Recirculation ratio
Strategy
Temperature
Temperature-phased anaerobic digestion
Volatile solids
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Summary:The stable H2 production is the important link in the anaerobic biohythane fermentation. In order to address the key parameters for the stable H2 production in the recirculated temperature-phased anaerobic digestion (R-TPAD) system, a critical strategy was proposed to adjust the recirculation ratio (R). The adjusting strategy was examined on a lab-scale R-TPAD system. The R-TPAD system was started up and operated with R = 1. Another system without recirculation (R = 0) was also operated as the control system. By narrowing the probable range from 0 
ISSN:0360-5442
1873-6785
DOI:10.1016/j.energy.2019.04.182