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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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Junji Li, Haiyan Ma, Hongliang Ma, Fang Lei, Dahai He, Xiulan Huang, Hongkun Yang and Gaoqiong Fan
Biostimulants sprayed exogenously boost crop yield and quality. However, the effects of the co-application of biostimulants and fertilizers as base fertilizers in soil are still uncertain. The objective of this study was to investigate the overall effect...
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Mingchuan Zhang, Xi Chen, Xinyang Xu, Zhongtian Fu and Xin Zhao
After the anaerobic digestion of livestock manure, high concentrations of nutrients still remain. Treatment of livestock wastewater through partial nitrification coupled with anaerobic ammonium oxidation (ANAMMOX) could be a useful technology depending o...
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Timoth Mkilima, Tursynkul Bazarbayeva, Kydyrbekova Assel, Nurgul Nurkenovna Nurmukhanbetova, Idiya Bolatovna Ostretsova, Aina Sultanseitovna Khamitova, Saule Makhanova and Samal Sergazina
Nutrients (nitrogen and phosphorus) are among the water quality parameters that cannot be easily removed from wastewater. Unfortunately, the excessive accumulation of nutrients in water can lead to numerous health issues for humans and the environment in...
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Vasyl Pasichnyi,Oleksandr Shevchenko,Oleg Khrapachov,Andrii Marynin,Irina Radzievskaya,Yulii? Matsuk,Alina Geredchuk,Mikhail Kuligin
Pág. 46 - 54
Based on the research results, optimization modeling was performed and the shelf life of pasteurized sausage products of the boiled group with the elements of active packaging was substantiated. Re-pasteurization was carried out at the temperature of 85?...
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Yinyan Chen, Peng Jin, Zhiwen Cui, Tao Xu, Ruojin Zhao and Zhanwang Zheng
Herein, we isolated Janthinobacterium svalbardensis F19 from sludge sediment. Strain F19 can simultaneously execute heterotrophic nitrification and aerobic denitrification under aerobic conditions. The organism exhibited efficient nitrogen removal at a C...
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Zizhen Zhou, Tinglin Huang, Weijin Gong, Yang Li, Yue Liu, Fuwang Zhao, Yanyan Dou, Shilei Zhou and Weixing Ma
A field scale experiment was performed to explore the nitrogen removal performance of the water and surface sediment in a deep canyon-shaped drinking water reservoir by operating WLAs (water-lifting aerators). Nitrogen removal performance was achieved by...
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Ying-Xin Zhao, Chun-Fang Chao, Si-Yuan Zhai, Zi-Jian Wang and Min Ji
Differing from municipal wastewater, rural wastewater in salinization areas is characterized with arbitrary discharge and high concentration of salt, COD, nitrogen and phosphorus, which would cause severe deterioration of rivers and lakes. To overcome th...
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Guangxue Wu, Derui Zheng and Lizhen Xing
The effective management of high ammonium containing wastewater is important for the sustainable development of the wastewater industry. A pre-denitrification and post-nitrification two-sludge system was proposed to treat high ammonium containing wastewa...
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