2002
DOI: 10.1002/1618-2863(20021105)2:11<353::aid-elsc353>3.0.co;2-r
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Dynamic Model for the Adsorption in a Multibed Three-Phase Fluidization Column Applied to Wastewater Biological Treatment

Abstract: It is proposed a dynamic model for adsorption of NH4+ ions from ammonia waters on volcanic tuff in a 10‐bed three‐phase (air – ammonia waters – volcanic tuff) fluidization column. The model consists in the nonstationary material balance differential equations. For each layer the ideal well‐mixing conditions are considered. The effluent ammonia ion concentrations, corresponding to each layer, have been measured at several time values in a laboratory‐scale column. The absolute relative mean error between the cal… Show more

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