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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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Ruoting Gao, Ronglin Sun, Chunfang Zhang and Wenjie Zhang
Filtration backwashing is necessary for the effective operation of membrane modules, and intermittent aeration helps to remove nutrients, which can save energy and effectively control the occurrence of membrane contamination. In this study, membrane cont...
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Jianping Xu, Yishuai Du, Guogen Su, Hexiang Wang, Jiawei Zhang, Huiqin Tian, Li Zhou, Tianlong Qiu and Jianming Sun
This study investigated the dissolved oxygen (DO) variation pattern in a Litopenaeus vannamei recirculating aquaculture system (RAS) and established an oxygen-utilization rate (UROxygen) model, pure oxygen addition (QOxygen) model, and control model that...
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Jia Niu, Ikuro Kasuga, Futoshi Kurisu and Hiroaki Furumai
Granular activated carbon (GAC) has been widely introduced to advanced drinking water purification plants to remove organic matter and ammonium. Backwashing, which is the routine practice for GAC maintenance, is an important operational factor influencin...
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Xing Zheng, Frederik Zietzschmann, Stephan Plume, Hendrik Paar, Mathias Ernst, Zi Wang and Martin Jekel
The present work focuses on understanding and control of biopolymer fouling in ultrafiltration of a typical surface water and nearby secondary effluent for direct and indirect portable use. Characterization results show that both kinds of biopolymers are...
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Nan Wei, Yunhong Shi, Guangxue Wu, Hongying Hu, Yihui Wu and Hui Wen
Tertiary denitrification of the secondary effluent in wastewater treatment plants is necessary to control the eutrophication of receiving water bodies. Two denitrifying biofilters (DNBF), one packed with quart sand with sizes of 2?4 mm (DNBFS) and the ot...
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