Anaerobic Biodegradability and Dewaterability of Sewage Sludge Fractions:Potential for Separate Anaerobic Stabilization in Sequential Batch Reactors

摘要：

　　Anaerobic sequential batch study was conducted on primary (PS), secondary (waste biological sludge (WBS)) and mixed sewage (MS) sludges and different characteristics fortheir digestion performance and dewaterability were reported in this paper.As raw sludge properties, PS showed a high volatile solid (VS) content and no dewaterability, whereasWBS had a high settling ability but a lower VS concentration.Regarding to degradability, biogas production and VS removal were lowest for WBS indicating that low hydraulic retention time (HRT) would be suitable for separate thickening and anaerobic digestion of WBS.PS needed no thickening but higher HRT to effectively produce biogas and remove VS.Its dewaterability increased during anaerobic digestion.A model for separate stabilization was suggested for the current sewage sludge line.

关键词： Sewage sludge primary secondary anaerobic stabilization dewaterability

作者: Dilek ERD(I)RENCELEB(I) Fatmanur SARIKAYA Cansu BAYHAN Hamza AYSAN

作者单位: Environmental Engineering Department, Selcuk University, Konya 42250, Turkey

会议类型: 国际会议

会议名称: The 2017 International Symposium on Environmental Science and Technology (2017环境科学与技术国际会议)

会议地点: 北京

会议语种:英文

页码: 25-30

在线出版日期: 2017-09-19（万方平台首次上网日期，不代表论文的发表时间）