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Ondrej Lhotský, Eva Sýkorová, Tereza Hudcová, Alena Filipová, Tomá? Cajthaml
These experiments were performed to verify the potential ways of treating pig farm effluents using aeration, struvite precipitation and filtration. MgCl2 brine was added as a source of magnesium for struvite precipitation. Following aeration, precipitate...
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Qiang Liu, Chen Li, Minglei Zhao, Ying Li, Yangyang Yang, Yuxuan Li and Siyuan Ma
To reduce the operating costs of conventional membrane bioreactors (MBRs) and improve the stability and quality of the dynamic membrane bioreactor (DMBR) effluent, a homemade inexpensive filter cloth assembly was connected to an up-flow ultra-lightweight...
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Peng Li, Minghui Liu, Jiaxing Zhou, Li Chen and Meifeng Cai
To investigate the adsorption performance of different substrates for ammonia nitrogen in wastewater, adsorption experiments are conducted on four substrates, namely, zeolite, quartz sand, volcanic rock, and biological ceramsite, and the experimental dat...
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Bo Wang, Lingxi Luo, Liyong Mei and Hui Zeng
The Danjiangkou Reservoir supplies drinking water to most residents in northern China. However, signs of eutrophication have been observed in the inlet tributaries of the reservoir, including the Shending River backwater. This research used data from the...
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Minglei Ma, Qiang Gui, Weisheng Zheng, Yingjie Zhang and Kai Wang
Ammonia nitrogen wastewater causes dissolved oxygen concentrations to decrease and the content of harmful substances to increase. To characterize the application properties of two novel strains of highly efficient ammonium transforming fungi?Pichia kudri...
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Amalia García-Valero, José Alberto Acosta, Ángel Faz, María Dolores Gómez-López, Dora María Carmona, Martire Angélica Terrero, Oumaima El Bied and Silvia Martínez-Martínez
The main objective of this study was to analyze the efficiency of CWs for purifying swine wastewater in order to reduce its pollutant load. The system included a pretreatment module (raw swine wastewater tank, phase separator, and settlement tank), and t...
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Sharjeel Waqas, Noorfidza Yub Harun, Nonni Soraya Sambudi, Muhammad Roil Bilad, Kunmi Joshua Abioye, Abulhassan Ali and Aymn Abdulrahman
A rotating biological contactor (RBC) is a type of attached-growth biological wastewater treatment system and a widely used biological wastewater treatment technology. It employs a series of rotating discs to support microbial growth and promote the remo...
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Shuya Wang, Fen Wang, Ruying Li and Min Ji
To investigate the treatment performance of employing the anaerobic ammonia oxidation (anammox) biofilm process to treat the iron-containing industrial wastewater with a low carbon?nitrogen ratio and obtain an optimal condition, the effects of elevated e...
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Jiawei Li, Kun Dong, Shaoyuan Bai, Yubing Fan, Yishan Feng, Meina Liang and Dunqiu Wang
A combined anaerobic?anoxic?oxic moving bed biofilm reactor (A2O-MBBR) constructed wetlands process was used to treat low carbon-to-nitrogen (C/N) simulated sewage. The results showed that the removal rates of chemical oxygen demand (COD), ammonia nitrog...
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Cristina E. Almeida-Naranjo, Elvia Gallegos, Elizabeth Domínguez, Paola Gutiérrez, Vladimir Valle, Alex Darío Aguilar, Alexis Debut and Catalina Vasco
Oil palm empty fruit bunch fibers (OPEFBF), in three size ranges (small: 250?450 µm, medium: 450?600 µm, large: 600?800 µm), were investigated as a filter-bed material in biofilters for the removal of organic matter and nutrients. After saturation, these...
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