Mixed carbon sources for nitrate reduction in activated sludge-identification of bacteria and process activity studies.
作者： M. Hagman , J.L. Nielsen , P.H. Nielsen , J. la C. Jansen
DOI: 10.1016/J.WATRES.2007.10.034
关键词:
摘要: Mixtures of methanol and acetate as carbon source were investigated in order to determine their capacity enhance denitrification for analysis the microbial composition degradation activity activated sludge from wastewater treatment plants. Laboratory batch reactors at 20 degrees C used nitrate uptake rate (NUR) measurements investigate anoxic activity, while single mixed substrates added sludge. Microautoradiography (MAR) combination with fluorescence situ hybridisation (FISH) applied during exposure different sources. The NUR increased additions a mixture compared source. MAR-FISH demonstrated that probe-defined group Azoarcus was main bacteria utilising only active under conditions. present study indicated an improved potential by commonly single-carbon additions. It is also established are involved both
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