污泥嗜热菌好氧消化与传统高温好氧消化的效果对比  

Comparison of Sludge Digestion between Aerobic Thermophilic Bacteria and Conventional Thermophilic Aerobic Process

作　　者：张少强[1] 李小明[1] 杨麒[1] 曾光明[1] 邓嫔[1] 史彦伟[1] 

机构地区：[1]湖南大学环境科学与工程学院,湖南长沙410082

出　　处：《中国给水排水》2007年第13期91-93,97,共4页China Water & Wastewater

基　　金：教育部新世纪优秀人才计划支持项目(NCET-04-0770);湖南省自然科学基金资助项目(WJ2002101);国际科技合作重点项目(2003AA649020)

摘　　要：在65℃的条件下利用嗜热菌消解城市污水处理厂的剩余污泥,并与传统高温好氧消化的效果进行了对比。结果表明:在有嗜热菌存在的条件下污泥的消化效果更好,对TSS、VSS的去除率分别可达55%和65%,而传统高温好氧消化的仅为40%和50%。嗜热菌好氧消化技术为城市污水处理厂提供了一种新的污泥减量化方法,使得剩余污泥"零排放"成为可能。Sludge digestion by the aerobic thermophilic bacteria was investigated and was compared with the conventional aerobic sludge digestion at 65 ℃. The result indicates that the sludge digestion by the aerobic thermophilic bacteria is much better than the conventional aerobic sludge digestion. The removal rates of TSS and VSS reach 55% and 65% respectively, both are 15% higher than that of the latter. A new way of sludge minimization can be found to some wastewater treatment plants, and ＂zero discharge＂ of excess sludge can be possible.

关 键 词：污泥 好氧消化 嗜热菌 生物溶胞作用 污泥减量化 

分 类 号：X703[环境科学与工程—环境工程]