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Hongyi Li, Zhaoxia Xue, Tongxin Yin, Tingfeng Liu and Zhixin Hu
Moving bed biofilm reactor (MBBR) is considered as a promising technology for wastewater treatment owing to the high biomass retention and low cost. In this study, the performance of using MBBR for partial denitrification (PD) was investigated. Denitrify...
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Shaoqing Zhang, Hang Zhang, Yucheng Feng, Naga Raju Maddela, Shugeng Li and Liqiu Zhang
This study aimed at investigating the potential impacts of perfluorooctanoic acid (PFOA) exposure on the partial denitrification (PD) system. Our results indicated that nitrite accumulation rates were significantly decreased to 67.94 ± 1.25%?69.52 ± 3.13...
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Zhaoxu Peng, Minghui Liu, Tingmei Li, Wangcheng Zhang, Yanpeng Wang, Luji Yu and Jiantao Ji
Given increasingly prominent environmental issues, there is a pressing need to satisfy more stringent emission standards for wastewater treatment plants (WWTP) while concurrently prioritizing energy conservation; a new up-flow layered nitrogen removal fi...
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Pengzhang Li, Yun Wang, Yue Liu, Shuying Wang and Yongzhen Peng
Previous studies have highlighted the salinization caused by the use of seawater to flush toilets and industrial wastewater entering the urban wastewater systems in coastal areas. Thus, in this study, the effect of salinity on N2O emissions during the pa...
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Chiara Sbarbati, Nicolò Colombani, Micòl Mastrocicco, Marco Petitta and Ramon Aravena
A comprehensive hydrochemical, stable isotope and microbial analyses characterisation has been performed to evaluate the sources of groundwater, nitrogen pollution and degradation processes occurring in an industrial polluted coastal aquifer in the frame...
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F.J. Rubio-Rincón, C.M. Lopez-Vazquez, L. Welles, M.C.M. van Loosdrecht, D. Brdjanovic
Pág. 156 - 164
Although simultaneous P-removal and nitrate reduction has been observed in laboratory studies as well as full-scale plants, there are contradictory reports on the ability of PAO I to efficiently use nitrate as electron acceptor. Such discrepancy could be...
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Alejandro Rodriguez-Sanchez, Alejandro Gonzalez-Martinez, Maria Victoria Martinez-Toledo, Maria Jesus Garcia-Ruiz, Francisco Osorio and Jesus Gonzalez-Lopez
Nitrogen is a main contaminant of wastewater worldwide. Novel processes for nitrogen removal have been developed over the last several decades. One of these is the partial nitritation process. This process includes the oxidation of ammonium to nitrite wi...
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