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Maria Pia Gervasio, Elisa Soana, Fabio Vincenzi and Giuseppe Castaldelli
In transitional environments, the role of sediments biogeochemistry and denitrification is crucial for establishing their buffer potential against nitrate (NO3-) pollution. The Po River (Northern Italy) is a worldwide hotspot of eutrophication. However, ...
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Xiangzhou Zheng, Chenyi Zou, Yasa Wang, Shuping Qin, Hong Ding and Yushu Zhang
Herbicide residues in farmland soils have attracted a great deal of attention in recent decades. Their accumulation potentially decreases the activity of microbes and related enzymes, as well as disturbs the nitrogen cycle in farmland soils. In previous ...
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Allen Kurniawan, Se Young Kwon, Jung-Hun Shin, Jin Hur and Jinwoo Cho
In this study, an anaerobic baffled reactor (ABR), combined with a post denitrification process, was applied to treat primary sludge from a municipal wastewater treatment plant and wastewater with a high concentration of nitrate. The production of volati...
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Allen Kurniawan, Se Young Kwon, Jung-Hun Shin, Jin Hur, Jinwoo Cho
Pág. 1 - 11
In this study, an anaerobic baffled reactor (ABR), combined with a post denitrification process, was applied to treat primary sludge from a municipal wastewater treatment plant and wastewater with a high concentration of nitrate. The production of volati...
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Agnieszka Michalik, Joanna Babinska, Filip Chylinski and Artur Piekarczuk
The paper presents the results of research on the properties of fly ashes from the process of flue gas denitrification by selective non-catalytic reduction (SNCR), consisting of dosing urea into the coal combustion chamber. The research was carried out o...
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Ute Susanne Kaden, Elmar Fuchs, Christian Hecht, Thomas Hein, Holger Rupp, Mathias Scholz and Christiane Schulz-Zunkel
Denitrification in floodplain soils is one key process that determines the buffering capacity of riparian zones in terms of diffuse nitrate pollution. One widely used approach to measure the denitrification potential is the acetylene inhibition technique...
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Ruijie Qi, Yixuan Zhang, Wu Qu, Jingyu Wei, Hongjie Xu, Yuqi Liu, Jie Xia and Jianxin Wang
This work aimed to reveal the heterotrophic nitrification and aerobic denitrification activities in a salt-tolerant strain, Tritonibacter mobile HN1, isolated from mariculture sludge by using a pure culture method. Strain HN1 showed the removal rates of ...
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Bowei Zhang, Changsheng Zhao, Ting Liu and Xiaokai Wang
As the problem of eutrophication of water bodies and nitrate pollution of surface and groundwater is becoming more and more prominent, deep denitrification of wastewater can effectively reduce the amount of nitrate nitrogen (NO3--N) discharged into natur...
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Yuqi Wang, Mengrui Jie, Huining Zhang, Jia Yang and Meijuan Xu
The efficient removal of nitrate from industrial wastewater containing high concentrations of both sulfate and nitrate presents a major challenge in the field of water treatment. In this study, we investigated the use of an Upflow Anaerobic Sludge Blanke...
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Xiaonan Wang, Chengjie Wang, Chengyang Zhou, Shining Zuo, Yixin Ji, Qiezhuo Lamao and Ding Huang
The aim of this study was to investigate the effects of grazing on soil gross nitrification (GN) and denitrification (DN) rates and soil environmental factors on GN and DN in the desert grassland of northern China. Soil samples were collected from July t...
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Pauline Sophie Rummel, Reinhard Well, Johanna Pausch, Birgit Pfeiffer and Klaus Dittert
Returning crop residues to agricultural fields can accelerate nutrient turnover and increase N2O and NO emissions. Increased microbial respiration may lead to formation of local hotspots with anoxic or microoxic conditions promoting denitrification. To i...
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Joanna Rodziewicz, Kamila Ostrowska, Wojciech Janczukowicz and Artur Mielcarek
The basic factors determining the efficiency of the removal of nitrogen and carbon compounds from airport wastewater containing de-icing agents are low temperature and the C/N ratio (carbon to nitrogen ratio). Biofilm reactors (biofilters) create better ...
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Maren Marine Grüning, Lukas Beule, Stephanie Meyer, Petr Karlovsky and Anne I.-M.-Arnold
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Amir Aloni, Asher Brenner
Pág. 1 - 11
This study is part of a comprehensive research aimed at the development and application of the ?Water Sensitive Cities? idea in Israel. This is a sustainable concept, incorporating among others the harvesting, treatment, and reuse of storm-water. The use...
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Jongkeun Lee, Jae Woo Lee, Young Mo Kim, Chul Park, Ki Young Park
Pág. 1 - 14
The study investigated the performance of the pre-denitrification membrane bioreactor (MBR) process to treat high-strength wastewater generated from food waste disposals. Extracellular polymeric substances (EPS) as membrane foulant and microbial communit...
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Amir Aloni and Asher Brenner
This study is part of a comprehensive research aimed at the development and application of the ?Water Sensitive Cities? idea in Israel. This is a sustainable concept, incorporating among others the harvesting, treatment, and reuse of storm-water. The use...
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Jongkeun Lee, Jae Woo Lee, Young Mo Kim, Chul Park and Ki Young Park
The study investigated the performance of the pre-denitrification membrane bioreactor (MBR) process to treat high-strength wastewater generated from food waste disposals. Extracellular polymeric substances (EPS) as membrane foulant and microbial communit...
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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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Federico Rossi, Oriana Motta, Simona Matrella, Antonio Proto and Giovanni Vigliotta
Nitrates pollution of waters is a worldwide problem and its remediation is a big challenge from the technical and the scientific point of view. One of the most used and promising cleaning techniques is the biological treatment of wastewaters operated by ...
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Federico Rossi, Oriana Motta, Simona Matrella, Antonio Proto and Giovanni Vigliotta
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