Steady state model of solid-state anaerobic digestion of dewatered sludge under mesophilic conditions

摘要：

　　Solid-state anaerobic digestion of dewatered sludge was investigated under mesophilic conditions and a steady state model was developed to help reactor design for solid state anaerobic digestion system of dewatered sludge.Biogas yield,volatile solid reduction and methane content showed good linear relationship with OLR (or 1/SRT) at long SRTs (≥ 10d).The minimum SRT at which system failure occurred was 3 days.Maximum VS reduction and biogas yield was estimated 44.83% and 0.420 l·g-1VSadded-1 d-1.First order constant k was 0.24 d-1.The model can be used to predict system performance and help reactor design.

关键词： solid state anaerobic digestion sewage sludge steady state model mesophilic

作者: Xiaohu Dai Nina Duan Bin Dong Lingling Dai

作者单位: National Engineering Research Center for Urban Pollution Control, School of Environmental Science and Engineering, Tongji University, 1239Siping Road, Shanghai 200092, China

会议类型: 国际会议

会议名称: 2013 International Symposium on Environmental Science and Technology(2013环境科学与技术国际会议)

会议地点: 大连

会议语种:英文

页码: 567-571

在线出版日期: 2013-06-04（万方平台首次上网日期，不代表论文的发表时间）