摘要
利用吊兰无土栽培系统对二级处理后的生活污水进行深度处理。试验表明,无论动态还是静态系统对污水中氮磷等营养物质的去除效果都较好,系统出水中氨氮的浓度可达到4.203mg/L或3.6426mg/L,硝态氮和亚硝态氮的浓度为2.802mg/L,总磷浓度可达到0.2mg/L左右,系统出水基本可达城市再生水回用标准。由于无新的污水进入,静态系统的处理效果要好于动态系统。系统中植物的长势良好,在设计运行时间内,两种系统中的植物均有明显的长势。无土栽培处理系统在有效去除污染物的同时,能产生一定的景观价值和经济效益,从而从整体上降低污水处理成本,而且其可极大限度的利用污水处理厂有限的可利用空间,这种处理方式尤其适用于中小城镇或居民小区的污水处理。
The domestic wastewater advanced treatment with soilless cultivated bracketplant chlorophytum was studied. The results showed that these two systems （static system and dynamic system） can remove nutrient substances （such as N, P etc.） efficiently. Kinds of nutrient substances concentration in two systems as follow, NH4^＋：3.6426mg/L to 4.203mg/L; nitrate nitrogen ＆ nitrite nitrogen： 2.802mg/L; TP can reach 0.2mg/L. The quality of treated water can reach the standards of reclaimed water quality basically. Because of no fresh wastewater flowing in system, static system removes more pollutants in the wastewater than dynamic system. Plants all grow well in two systems in operate time. Using soilless cultivated systems, they not only remove pollutants efficiently, but also have some landscaping value and economic benefits. By this way, the total cost of domestic wastewater treatment can be reduced, and the limit space in wastewater treatment factory can be used efficiently. This treatment way can be applied in small and medium sized or residence community wastewater treatment.
出处
《水处理技术》
CAS
CSCD
北大核心
2008年第6期72-75,共4页
Technology of Water Treatment
基金
四川省教育厅重点实验室项目(2006ZD035)
关键词
无土栽培
吊兰
污水深度处理
soilless culture
bracketplant chlorophytmn
wastcwater advanced treatment
