试验采用复合式活性污泥-生物膜反应器，从动力学角度研究生物膜吸附反应动力学模型和吸附平衡模型，以掌握反应控制条件。结果表明在t≤30min是生物膜的表面吸附阶段，且生物膜附着满足可逆动力学模型；准二级反应模型更能描述生物膜的吸附反应过程； Langmuir吸附等温线比Freundlich能够更好的说明生物膜良好的吸附性能。

For controlling reaction conditions ，adsorptive kinetics and equilibrium models were investigated by experiment with compound activated sludge-biofilm reactor. The results showed in 30mins biofilm attached met the reversible dynamic model； Biofilm adsorption process followed t he the second model； The equilibrium data fitted the Langmuir biosorption isotherm better than Freundlich.

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