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Jing Liu, Zongyu Li, Hanming Huang, Weiwei Lin, Zhilin Sun and Fanjun Chen
In response to the deficiencies in existing bridge pier scour protection technologies, this paper introduces a novel protective device, namely a normal distribution-shaped surface (BND) protection devices formed by rotating a concave normal curve. A thre...
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Álef Luan de Souza Pereira, Cristina Celia Silveira Brandão, Yovanka Pérez Ginoris and Carla Patrícia Pereira Alves
Monitoring the removal of Cryptosporidium oocysts in water treatment plants is a challenge, particularly in developing countries, and the use of surrogates has proven necessary. Two surrogates already investigated and recognized by the scientific communi...
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Alberto Tazioli, Davide Fronzi and Elisa Mammoliti
Environmental isotopes are essential in hydrogeological studies, thanks to their contribution to the understanding of aquifers dynamics, vulnerability, water resources assessment, and management issues. The environmental isotopic approach plays a vital r...
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Su-Chin Chen, Samkele Tfwala, Tsung-Yuan Wu, Hsun-Chuan Chan and Hsien-Ter Chou
A new type of collar, the hooked-collar, was studied through experiments and numerical methods. Tests were conducted using a hooked collar of a width of 1.25b and a height of 0.25b, where b is the bridge-pier width. The hooked-collar efficiency was evalu...
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Alexandre Botari, Luiz Di Bernardo, Angela Di Bernardo Dantas
Pág. 193 - 202
Mathematical models of the filtration process are based on the mass balance in the filter bed. Models of the filtration phenomenon describe the mass balance in bed filtration in terms of particle removal mechanisms, and allow for the determination of glo...
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Milene Carvalho Bongiovani, Márcia Dezotti, Geraldo André Thurler Fontoura
Pág. 299 - 305
The treatment of complex effluent with high salinity and sometimes with toxicity rates from a chemical plant is investigated. Two reactors were monitored continuously: control reactor R1 and reactor R2 adapted for saline effluent with 25h-HRT. The adapta...
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Ronaldo Fia, Filipe Cruz Schuery, Antonio Teixeira de Matos, Fátima Resende Luiz Fia, Alisson Carraro Borges
Pág. 141 - 147
This work aimed to evaluate the performance of similar anaerobic filters operating with opposite wastewater flows, and compare mathematical models that describe the kinetics of organic matter degradation in both. Two pilot-scale filters were fed with dom...
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Alexandre Botari, Luiz di Bernardo
Pág. 167 - 175
Models of the filtration phenomenon describe the mass balance in bed filtration in terms of particle removal mechanisms, and allow for the determination of global particle removal efficiencies. These models are defined in terms of the geometry and charac...
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Rantanen, R, Simil?, E, Ahvenlampi, T
Pág. 31 - 33
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Kim, S. W. Kirbas, G. Bi, H. Lim, C. J. Grace, J. R.
Pág. 48 - 58
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