title: Phosphorus removal from secondary effluents through integrated constructed treatment system.
abstract: The treatment capacity of an integrated constructed treatment system (CTS) was explored which was designed to reduce phosphorus (P) from secondary effluents. The integrated CTS was combined with vertical-flow constructed wetland, floating bed and sand filter. The vertical wetland was filled from the bottom to the top with gravels, steel slag and peat. Vetiverzizanioides (L.) Nash was selected to grow in the vertical constructed wetland while Coixlacrymajobi L. was grown in floating bed. The results suggested that integrated CTS displayed excellent removal efficiency for chemical oxygen demand (COD), dissolved phosphorus (DP), and total phosphorus (TP). The average COD removal efficiency of the integrated CTS was 90.45% after 40 days of operation, the average DP and TP removal efficiencies of the integrated CTS were 97.43% and 96.40%, respectively. The integrated CTS has good potential in removing COD as well as P from secondary effluents.
authors.affiliation: Jiangsu Key Laboratory of Resources and Environmental Information Engineering, School of Environment Science & Spatial Informatics, China University of Mining and Technology, Xuzhou, Jiangsu Province 221116, China. xiongjib108@163.com
authors.forename: Jibing
authors.initials: J
authors.lastname: Xiong
authors.forename: Yong
authors.initials: Y
authors.lastname: Qin
authors.forename: Qaisar
authors.initials: Q
authors.lastname: Mahmood
authors.forename: Hanhu
authors.initials: H
authors.lastname: Liu
authors.forename: Dejun
authors.initials: D
authors.lastname: Yang
mesh_terms: D001673:Biodegradation, Environmental; D057919:Biological Oxygen Demand Analysis; D049930:Chrysopogon / Q000254:growth & development; D031742:Coix / Q000254:growth & development; D052918:Environmental Restoration and Remediation / Q000379:methods*; D010758:Phosphorus / Q000032:analysis*; D014865:Waste Disposal, Fluid / Q000379:methods; D014874:Water Pollutants, Chemical / Q000032:analysis*; D053833:Wetlands
chemical_list: D014874:Water Pollutants, Chemical; D010758:Phosphorus