重庆大学学报2016，Vol.39Issue(2)：34-43,10.DOI:10.11835/j.issn.1000-582X.2016.02.005
SBBR反应器SND脱氮的影响因素分析及响应曲面优化
Analysis on influencing factors of nitrogen removal via SND and optimization by RSM in SBBR
摘要
Abstract
Nitrogen removal performance of SBBR reactor was investigated under the condition of continuous aeration with suspended packing by activated carbon coating modification.The results indicate that SBBR presents a good simultaneous nitrification and denitrification (SND )performance with the removal rates of NH3-N and TN at 80.7% and 63.1% respectively.During a typical cycle,SND rate can reach 72 .8%.Single factor experiments show that nitrogen removal rate increases as the increase of aeration time and it increases first and then decreases as the increase of dissolved oxygen concentration and packing dosing quantity.Secondary multivariate regression model is established with using response surface methodology and taking dissolved oxygen concentration,packing dosing quantity and aeration time as inspective factors and nitrogen removal rate as evaluation index.69.28% nitrogen removal rate as the maximum value is obtained under optimal working conditions according to the model calculation as follows:dissolved oxygen concentration of 2.37 mg/L,packing dosing quantity of 40.10%,aeration time of 5.17 h.Verification test show that the deviation rate between predicted values and measured values is 1.57%.关键词
SBBR/同步硝化反硝化(SND)/脱氮率/响应曲面法Key words
sequencing biofilm batch reactor(SBBR)/simultaneous nitrification and denitrification(SND)/nitrogen removal rate/response surface methodology(RSM)分类
资源环境引用本文复制引用
蔡健明,操家顺,周碧波..SBBR反应器SND脱氮的影响因素分析及响应曲面优化[J].重庆大学学报,2016,39(2):34-43,10.基金项目
国家科技重大专项（2011ZX07101-003，2011ZX07301-002）；江苏省科研课题（BA2012055）。Supported by National Science and Technology Major Special （2011ZX07101-003，2011ZX07301-002）and Scientific Research Project of Jiangsu Province，China （BA2012055）． （）
