title: [Research of urban eutrophic water repair by water/sediment biological bases].
abstract: A micro power turbine water aeration system with a water biological base and a sediment biological base was independently developed, aimed at urban water eutrophication. The results showed that the average removal rates of COD, NH+4 -N, TP by the water biological base were 82. 33% , 98. 00% and 54. 73% , respectively; The sediment reduction rate achieved by the sediment biological base could reach 20% within 5 days, and aeration in the overlying water could relieve the nutrient releasing caused by the degradation of organic matter; The effect of nutrient removal and organic matter reduction in sediment by the combined ecological restoration technology was perfect in pilot scale. The average removal rates of COD, NH+4 -N, TP were 52. 0%, 33. 6% and 23.4%, respectively, and the organic content in sediment was reduced from 38. 20% to 12.20% .
authors.affiliation: Institute of Environmental Protection Design and Research, Zhejiang Gongshang University, Hangzhou 310005, China. zhw6633@163.com
authors.forename: Hui-Hua
authors.initials: HH
authors.lastname: Zhou
authors.affiliation: Institute of Environmental Protection Design and Research, Zhejiang Gongshang University, Hangzhou 310005, China.
authors.forename: Xiao-Guang
authors.initials: XG
authors.lastname: Song
authors.affiliation: Institute of Zhejiang Environmental Protection Design & Research Co., Ltd., Hangzhou 310005, China.
authors.forename: Ge
authors.initials: G
authors.lastname: Wu
authors.affiliation: Institute of Zhejiang Environmental Protection Design & Research Co., Ltd., Hangzhou 310005, China.
authors.forename: Xin-Yuan
authors.initials: XY
authors.lastname: Xie
mesh_terms: D064751:Ammonium Compounds / Q000032:analysis; D057919:Biological Oxygen Demand Analysis; D002947:Cities; D005068:Eutrophication; D005618:Fresh Water / Q000737:chemistry*; D019015:Geologic Sediments / Q000737:chemistry*; D009584:Nitrogen / Q000032:analysis; D010758:Phosphorus / Q000032:analysis; D014874:Water Pollutants, Chemical / Q000032:analysis; D018508:Water Purification / Q000379:methods*
chemical_list: D064751:Ammonium Compounds; D014874:Water Pollutants, Chemical; D010758:Phosphorus; D009584:Nitrogen