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Influence of particle distribution on filter coefficient in the initial stage of filtration

Under the condition that the size of suspended particles is nonhomogeneous, we studied how filter grain and suspended particles affect filter coefficient in the early stage. A stochastic method was used to study the variation of the initial filter coefficient. Through physical experiment, the collec...

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Published in:The Korean journal of chemical engineering 2013, 30(2), 155, pp.456-464
Main Authors: Min, Xing, Shu, Longcang, Li, Wei, Appiah-Adjei, Emmanuel Kwame
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description Under the condition that the size of suspended particles is nonhomogeneous, we studied how filter grain and suspended particles affect filter coefficient in the early stage. A stochastic method was used to study the variation of the initial filter coefficient. Through physical experiment, the collected data include the initial inflow and outflow concentration, the size distributions of particles in suspension and so on. By introducing the standard capture probability function P(d) and the characteristic length of filter bed L c , this separated the grains’ and particles’ influence on filter coefficient. An example showed that we could use P(d), L c to ascertain the result of effluent distribution, ratio of C out to C in in any depths and equivalent filter coefficient λ m . We also studied the filter coefficient λ l during the experiment and the first-order derivative of λ l .
doi_str_mv 10.1007/s11814-012-0141-x
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subjects Biotechnology
Catalysis
Chemistry
Chemistry and Materials Science
Industrial Chemistry/Chemical Engineering
Materials Science
Separation Technology
Thermodynamics
화학공학
title Influence of particle distribution on filter coefficient in the initial stage of filtration
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