期刊
WATER ENVIRONMENT RESEARCH
卷 80, 期 11, 页码 2145-2156出版社
WATER ENVIRONMENT FEDERATION
DOI: 10.2175/106143008X304776
关键词
nitrification; denitrification; modeling; ASM#1; Activated Sludge Model for Nitrogen; pH; temperature; inhibition; free ammonia; free nitrous acid
The currently available comprehensive activated sludge models, ASM#1 (Grady et al., 1986) and its successor ASM# 3 (Gujer et al., 1999), do not adequately describe nitrification and denitrification, with respect to ammonia oxidation inhibition, nitrite accumulation, or emissions of nitric oxide and nitrous oxide. A new comprehensive activated sludge process model, the Activated Sludge Model for Nitrogen (ASMN), is presented. The ASMN incorporates two nitrifying populations-ammonia-oxidizing bacteria and nitrite-oxidizing bacteria-using free ammonia and free nitrous acid, respectively, as their true substrates. The ASMN incorporates four-step denitrification (sequential reduction of nitrate to nitrogen gas via nitrite, nitric oxide, and nitrous oxide) using individual, reaction-specific parameters. Simulation results for ammonia, nitrate, soluble substrate, and biomass concentrations determined by using ASMN for three activated sludge process configurations under steady-state and dynamic municipal-type influent conditions are shown to be comparable with ASM#1 results. Water Environ. Res., 80, 2145 (2008).
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