Experiment of Dehydration Capability of Municipal Sludge

摘要：

Sludge is difficult to be dewatered without any pretreatment. The experiment of dewatering sludge by ultrasound, thermal hydrolysis and electrical pretreatment were studied. Ultrasound pretreatment proves it can adjust the structure of sludge, which will be restructure and change the water form increasing the water content which could be dispel easily. Thermal hydrolysis pretreatment disassembles agglomeration of Extracelluar Polymeric Substances (EPS), experimental results show that the bound water of sludge decrease with a longer treatment time and higher temperature, the water content is 84.74% at 170 ℃. The pretreatment of electrical dehydration gains good dewaterability as voltage increased in the AC electric field than ultrasound, thermal hydrolysis pretreatment.

作者: ZHOU Cuihong CHU Qingdong TANG Sichen ZHANG Chenghu

作者单位: Department of Environmental Engineering Beijing Institute of Pectrochemical Technology Beijing, China 102617

会议类型: 国际会议

会议名称: The 4th International Conference on Bioinformatics and Biomedical Engineering(第四届IEEE生物信息与生物医学工程国际会议 iCBBE 2010)

会议地点: 成都

会议语种:英文

页码: 1-4

在线出版日期: 2010-06-18（万方平台首次上网日期，不代表论文的发表时间）