人工快渗系统优化填料组合试验研究  

Experimental Study of Constructed Rapid Infiltration System with the Optimization of Combined Fillers

作　　者：王栎雯[1] 刘康怀[1] 司圣飞[1] 张丽春 严博[1] 龙飞[1] 

机构地区：[1]桂林理工大学环境科学与工程学院,广西桂林541002 [2]广西净宇环境工程有限责任公司,南宁530011

出　　处：《安全与环境工程》2013年第6期81-84,89,共5页Safety and Environmental Engineering

基　　金：广西科学研究与技术开发计划项目(桂科攻:0816002-3)

摘　　要：针对人工快渗实际工程中存在脱氮除磷效果差的问题,在传统人工快渗系统填料的基础上,通过添加钢渣、粉煤灰和木糠等常见的废弃物作为新型填料,并采用模拟装置进行了脱氮除磷试验研究。结果表明:在相同水力负荷下,当落干时间为6h、湿干比为1∶3时,生活污水总氮、总磷的去除率可提高至89.1%和95.8%;加入钢渣等新型填料不仅能提高人工快渗系统脱氮除磷的效果,而且还能将当地的废弃物转化为有用资源,环境和经济效益显著,具有一定的推广价值。Because the removal effects of nitrogen and phosphorus in the constructed rapid infiltration(CRI)engineering are poor,this study adds steel slag,fly ash,sawdust and other common wastes in the traditional CRI fillers,which are used as new fillers in the CRI simulation device to research the removal rate of nitrogen and phosphorus.The results show that,under the same hydraulic loading,when the fall dry time is 6h and wet-to-dry ratio is 1∶3,the removal ratios of total nitrogen(TN)and total phosphorus(TP)increase to 89.1%and 95.8%,respectively.The removal effects of nitrogen and phosphorus in CRI system are improved,and the local wastes are converted into useful resources by using them as fillers.With significant environmental and economic benefits,the new fillers are of great promotional value.

关 键 词：人工快渗系统 脱氮除磷 钢渣 粉煤灰 木糠 填料优化组合 

分 类 号：X703.1[环境科学与工程—环境工程]