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Strategy of adjusting recirculation ratio for biohythane production via recirculated temperature-phased anaerobic digestion of food waste
Qin, Yu; Wu, Jing; Xiao, Benyi; Cong, Ming; Hojo, Toshimasa; Cheng, Jun; Li, Yu-You
2019-07-15
Source PublicationENERGY
ISSN0360-5442
Volume179Pages:1235-1245
AbstractThe stable H-2 production is the important link in the anaerobic biohythane fermentation. In order to address the key parameters for the stable H-2 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 < R < 1, the value of R = 0.4 was obtained for stable biohythane production from R-TPAD system. The harvested R-TPAD process achieved the volatile solids removal of 84.8% and the biohythane yield of 475 L/kg-VSfed with the H-2 content of 10.5%, where the H-2 yield efficiency was 248.0 mL-H-2/CODremoved. The success of operating R-TPAD was attributed to the proposed strategy, which used the tendency of existing CH4 and the pH above 4.0 as the critical indicators for the stable H-2 production. (C) 2019 Elsevier Ltd. All rights reserved.
Department土壤环境科学与技术实验室
KeywordHythane Hydrogen Temperature-phased anaerobic digestion Recirculation ratio Food waste Methane
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/43312
Collection土壤环境科学实验室
Affiliation1.Tohoku Univ, Grad Sch Engn, Dept Civil & Environm Engn, Sendai, Miyagi 9808579, Japan
2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
3.Tohoku Univ, Grad Sch Environm Studies, Sendai, Miyagi 9808579, Japan
Recommended Citation
GB/T 7714
Qin, Yu,Wu, Jing,Xiao, Benyi,et al. Strategy of adjusting recirculation ratio for biohythane production via recirculated temperature-phased anaerobic digestion of food waste[J]. ENERGY,2019,179:1235-1245.
APA Qin, Yu.,Wu, Jing.,Xiao, Benyi.,Cong, Ming.,Hojo, Toshimasa.,...&Li, Yu-You.(2019).Strategy of adjusting recirculation ratio for biohythane production via recirculated temperature-phased anaerobic digestion of food waste.ENERGY,179,1235-1245.
MLA Qin, Yu,et al."Strategy of adjusting recirculation ratio for biohythane production via recirculated temperature-phased anaerobic digestion of food waste".ENERGY 179(2019):1235-1245.
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