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Reuse of Anaerobic Sludge for Treating Synthetic Wastewater Containing Organic and Inorganic Pollutants in Fixed Bed Adsorber
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作者 Abbas Hameed Sulaymon Dheyaa Wajid Abbood ahmed hassoon alit 《Journal of Environmental Science and Engineering(A)》 2012年第2期150-159,共10页
Dried anaerobic granular sludge (DAGS) for removing phenol (organic) and lead (inorganic) pollutants from synthetic wastewater was examined in a fixed bed system. A general rate multi-component model has been bu... Dried anaerobic granular sludge (DAGS) for removing phenol (organic) and lead (inorganic) pollutants from synthetic wastewater was examined in a fixed bed system. A general rate multi-component model has been built to predict the fixed bed breakthrough curves for single and dual-component system. This model considers both external and internal mass transfer resistances as well as axial dispersion with non-liner multi-component isotherm. The equilibrium isotherm model parameters such as isotherm model constants (qm and b), pore diffusion coefficients (Dp) were obtained from batch experiments, while the external mass transfer coefficients and axial dispersion (kf, Dz) were calculated from empirical correlations. The results show that the general rate multi-component model was found suitable for describing the biosorption process of the dynamic behavior of the DAGS adsorber column and that DAGS can be used efficiently to remove organic and inorganic pollutants. 展开更多
关键词 DAGS PHENOL LEAD BIOSORPTION fixed bed.
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