Abstract
In this study, the performance of Purolite®A500PS in effluent organic matter (EfOM) removal was evaluated through adsorption equilibrium, kinetics and fluidized bed experiments. It was found that the maximum EfOM removal capacity of Purolite®A500PS calculated by the Langmuir isotherm was 50.9mg DOC/g Purolite®A500PS. The results also showed that fluidized bed operational conditions strongly affected the EfOM removal efficiency. A fluidized bed packed with Purolite®A500PS can maintain a consistent EfOM removal efficiency of more than 80% with more than 800 bed volumes from 10mg DOC/L of synthetic wastewater. A majority of hydrophilic compounds (76.4%) and a significant amount of hydrophobic compounds (55%) were removed by the Purolite®A500PS fluidized bed. The Purolite®A500PS fluidized bed was also found to remove a majority of biopolymer (98.5%), humic substances (86.5%), and low molecular weight neutrals (83.3%).
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