%0 Journal Article %T Removal efficiency of phosphorus using constructed pond-wetland system to purify reclaimed water under different hydraulic loadings
不同水力负荷下塘-湿地组合处理系统对再生水磷的净化效果 %A Song Jiayu %A Shan Baoqing %A Hu Chunming %A Zhang Wenqiang %A
宋佳宇 %A 单保庆 %A 胡春明 %A 张文强 %J 环境工程学报 %D 2012 %I %X This work investigated the removal efficiency of total phosphorus(TP) and soluble reactive phosphorus(SRP) in a constructed pond-wetland combination system,which was applied to polish the effluent from a membrane bioreactor(MBR) treating the wastewater in Tianjin Airport Industrial Park for the purpose of reclamation.Results indicated that the MBR effluent had a relatively high SRP concentration with a SRP/TP ratio reaching 84%.Under three different hydraulic loadings(i.e.,100,150 and 200 m3/d),the pond-wetland system always exhibited good efficiency on phosphorus removal.The concentrations of TP and SRP were reduced from 1.64 to 0.36 mg/L and 1.30 to 0.28 mg/L,respectively.The corresponding SRP/TP ratio was decreased from 84% to 54.5%,indicating a significant removal of SRP.It is seen that the problem of high SRP concentration in the MBR effluent can be well settled by the pond-wetland system,thus greatly alleviating the potential risk of algal blooms when the reclaimed wastewater is used for landscape water. %K constructed pond-wetland system %K reclaimed water %K phosphorus %K hydraulic loading
塘-湿地组合处理系统 %K 再生水 %K 磷 %K 水力负荷 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=92E6F4267FD4CBCB51B1E49E014D8054&jid=3567BD61129AA59043F5DE01F8815DB5&aid=9AD0E2EC0A7D5234B915B96DFD509387&yid=99E9153A83D4CB11&vid=B31275AF3241DB2D&iid=E158A972A605785F&sid=C6E83222BCBFFFF8&eid=EE05CC1F800E4629&journal_id=1673-9108&journal_name=环境工程学报&referenced_num=0&reference_num=0