大型中温污泥厌氧消化系统的运行分析  

Operation Analysis of Large-scale Mesophilic Sludge Anaerobic Digestion System

作　　者：李美艳 官立红 马文瑾 孙冀垆 陈仁灼 谢敏[5] 肖本益[6] 

机构地区：[1]中和荣华环保科技<北京>有限公司,北京100085 [2]中关村科技园区海淀园企业博士后科研工作站,北京100089 [3]云南省城乡规划设计研究院,云南昆明650228 [4]北京排水集团,北京100176 [5]长沙理工大学水利工程学院,湖南长沙410076 [6]中国科学院生态环境研究中心,北京100085

出　　处：《中国给水排水》2015年第21期16-19,共4页China Water & Wastewater

基　　金：北京市博士后工作经费资助项目;国家自然科学基金资助项目(51108043;51378492)

摘　　要：对某大型中温污泥厌氧消化系统的长期运行数据进行了分析,结果表明:依据系统的碱度和挥发性脂肪酸浓度,该系统处于稳定运行的水平。污泥停留时间、进泥泥质、挥发性固体(VS)负荷均对厌氧消化系统效能产生较大的影响,其中污泥停留时间主要影响系统的体积气体产率,进泥泥质主要影响对VS的去除率,而VS负荷影响厌氧消化效能的各个方面。因此VS负荷是调控厌氧消化系统效能最重要的参数。由于系统的VS负荷低,使得该厌氧消化系统的运行效能不佳。通过提高VS负荷,将有助于大幅改善该厌氧消化系统的综合效能。The long-running data from a large-scale mesophilic sludge anaerobic digestion system were analyzed, and the results showed that the anaerobic digestion system was generally operated in a stable manner as indicated by volatile acids and alkalinity levels. Sludge retention time, sludge property and VS loading all had a great impact on the efficiency of the anaerobic digestion system. Furthermore, sludge retention time mainly affected volumetric gas production rate, sludge property mainly affected VS removal rate, and VS loading affected all aspects of anaerobic digestion. So the control of VS loading was most important for regulation of anaerobic digestion system. The operation tern was not optimal because of low VS loading. Increasing the VS loading of the anaerobic digestion syswas recommended for the optimal operation of the anaerobic digestion system.

关 键 词：污泥 厌氧消化 效能 挥发性固体 影响因素 

分 类 号：X703[环境科学与工程—环境工程]