期刊
ENVIRONMENTAL TECHNOLOGY
卷 24, 期 6, 页码 693-702出版社
SELPER LTD, PUBLICATIONS DIV
DOI: 10.1080/09593330309385605
关键词
biological nutrient removal; denitrification; phosphorus release; anoxic-anaerobic-aerobic BNR process; bio-NET process
An anoxic-anaerobic-aerobic biological nutrient removal process was used in this study. The kinetic aspects of denitrification and phosphorus release under anoxic conditions were investigated by conducting a pilot-scale plant operation under various SRTs (solids retention times), HRTs (hydraulic retention times) and internal recycle ratios. The process was capable of completely denitrifying the NOx--N (the sum of NO2--N and NO3--N) in the nitrified recycle, resulting in an NOx--N concentration of less than 1.0 mg l(-1) N) in the anoxic zones. Denitrification and phosphorus release were accomplished due to abundant organic substrates in the anoxic zone at the head end of the process and achieved approximately equivalent rates with respect to influent SCOD loading in the zone. Phosphorus release continued without any nitrate inhibition due to low NOx-N concentrations of less than 2.0 mg l(-1) N in the anaerobic zone.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据