Nitrogen removal and simultaneous nitrification and denitrification in a fluidized bed step-feed process

查看全文 作　　者：[1,2]BingWang;Wei [3]Wang;Hongjun [1]Han;Hongbo [1]Hu;Haifeng [1]Zhuang

机构地区：[1]State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), Harbin Institute of Technology, Harbin 150090, China;[2]Municipal & Environmental Engineering College, Shenyang Jianzhu University, Shenyang 110168, China;[3]School of Civil and Hydraulic Engineering, Hefei University of Technology, Hefei 230009, China

出　　处：《Journal of Environmental Sciences》索引2012年第24卷第2期,共6页

基　　金：supported by the National High Technology Research Development Program (863) of China(No. 2007AA06A411);the Science and Technology Research Projects of Heilongjiang Education Committee(No. 11551130) 摘　　要：For urban wastewater treatment,we conducted a novel four-stage step-feed wastewater treatment system combined with a fluidized bed laboratory experiment to investigate chemical oxygen demand(COD),NH4+-N,and total nitrogen(TN) removal performance.The removal rates of COD,NH4+-N and TN were 88.2%,95.7%,and 86.4% with e?uent concentrations of COD,NH4+-N and TN less than 50,8,and 10 mg/L,respectively.Biomass and bacterial activities were also measured,with results showing more nitrobacteria in the activated sludge than in the biofilm;however,bacterial activity of the biofilm biomass and the activated sludge were similar.Nitrogen concentrations during the process were also detected,with simultaneous nitrification and denitrification found to be obvious. 关键词：同步硝化反硝化饲料加工流化床细菌生物膜脱氮城市污水处理废水处理系统活性污泥

相关文献

参考文献（25）
引证文献（24）
耦合文献（9）

参考文献(25)

引证文献(24)

耦合文献(9)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Nitrogen removal and simultaneous nitrification and denitrification in a fluidized bed step-feed process

参考文献(25)

引证文献(24)

耦合文献(9)

用户提示