一种陶粒生物填料及制备研究  

Introduction and Preparation of a Kind of Ceramic Biological Filter Media

作　　者：魏琛[1,2] 盛贵尚[2] 张盛莉[1] 

机构地区：[1]贵州大学土木建筑工程学院,贵州贵阳550002 [2]重庆大学土木工程博士后流动站,重庆400043

出　　处：《烟台大学学报（自然科学与工程版）》2011年第3期241-245,共5页Journal of Yantai University(Natural Science and Engineering Edition)

基　　金：贵州省科学技术基金(2008-2236);贵州省科技厅科技攻关项目(SZ(2008)3073);贵州大学引进人才科研项目(2008-029);国家大学生创新实验计划项目(101065723)

摘　　要：介绍了一种以粉煤灰和活性污泥为主要原料制备的陶粒生物填料及其制备方法.通过材料配比及烧结温度试验、烧结时间试验、性能测定,得出粉煤灰、活性污泥、黏土最佳比例为50∶40∶10,最佳烧结温度1 150℃,最佳烧结时间25 min.烧结陶粒生物载体粒径为3 mm.在此条件下制得的陶粒生物载体平均吸水率为27%,平均抗压强度为1.23MPa,颗粒密度为1.19 g/cm3,易于形成流化状态,能满足污水处理填料性能要求.Preparation of a kind of ceramic biological filter media with fly ash and activated sludge as main raw material,is introduced.The tests of material ratio,sintering temperature,sintering time and performance measurement are conducted,the optimum material ratio of fly ash,activated sludge and clay ratio is 50∶40∶10,the optimum sintering temperature is 1 150 ℃,the best sintering time is 25 min.The particle size of the bio-ceramic carrier is 3 mm.Under these conditions,the average water absorption of ceramic biological carrier is 27%,the average compressive strength is 1.23 MPa,density of the particle is 1.19 g/cm3,which is easy to form a fluid state and meets the performance requirements of sewage treatment packing.

关 键 词：污水处理 生物填料 粉煤灰 活性污泥 

分 类 号：X703.1[环境科学与工程—环境工程]