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Hekai Jin, Song Lin, Yueyun Yang, Zhixin Liang, Yiqi Chen, Lei Hua, Ying Zhang, Hongtao Jia, Guodong Zhang and Tiecheng Wang
Surplus sludge disposal and treatment are major issues in wastewater treatment plants. Discharge plasma oxidation is an effective approach for sludge dewatering and digestion. In this study, excess sludge disintegration by non-thermal discharge plasma co...
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Uk-Jae Lee, Ki-Seong Hyeong and Hong-Yeon Cho
The tailings that remain after the collection and screening of Mn nodules are directly discharged into the ocean and are anticipated to influence the ocean environment and marine organisms. The primary factors determining the influence (diffusion) range ...
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Yanmei Ding, Jianhai Zhao, Lei Wei, Wenpu Li and Yongzhi Chi
Magnesium hydroxide continuous coagulation process was used for treating simulated reactive orange wastewater in this study. Effects of mixing conditions and retention time on the coagulation performance and floc properties of magnesium hydroxide were ba...
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Danielle R.N. Tarpley, Courtney K. Harris, Carl T. Friedrichs and Christopher R. Sherwood
Particle settling velocity and erodibility are key factors that govern the transport of sediment through coastal environments including estuaries. These are difficult to parameterize in models that represent mud, whose properties can change in response t...
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Sung Soo Yoo
This study examined the optimum coagulation conditions for reducing irreversible fouling during the in-line coagulation/ultrafiltration (UF) membrane process and assessed the decrease in operating cost. The coagulation conditions that generated charge-ne...
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Zhaoyang Su, Ting Liu, Wenzheng Yu, Xing Li, Nigel J.D. Graham
Pág. 144 - 152
Although the treatment of natural surface waters by coagulation has been investigated extensively, the detailed interaction between natural organic matter and alum is still not adequately understood or predictable, owing to the complexity of different co...
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Jisun Byun, Minwoo Son, Jeong-Seok Yang and Tae-Hwa Jung
Cohesive sediment has different characteristics compared to non-cohesive sediment. The density and size of a cohesive sediment aggregate (a so-called, floc) continuously changes through the flocculation process. The variation of floc size and density can...
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Hyun Jung Shin, Minwoo Son and Guan-hong Lee
Existing flocculation models for cohesive sediments are classified into two groups: population balance equation models (PBE) and floc growth models. An FGM ensures mass conservation in a closed system. However, an FGM determines only the average size of ...
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Zhongfan Zhu, Jingshan Yu, Hongrui Wang, Jie Dou and Cheng Wang
The morphological properties of kaolin flocs were investigated in a Couette-flow experiment at the steady state under seven shear flow conditions (shear rates of 5.36, 9.17, 14, 24, 31, 41 and 53 s-1). These properties include a one-dimensional (1-D) fra...
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Wen Po Cheng, Yu Pin Kao, Ruey Fang Yu
Pág. 2691 - 2697
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