生物膜吸附反应动力学模型与平衡模型的试验研究
作者:杨慧1,裴亮2,金顺 3
单位: 1.上海建峰职业技术学院土木工程系,上海 201900;2. 中国科学院地理科学与资源研究所陆地水循环及地表过程重点实验室,北京 100101;3. 南京联创科技股份有限公司,江苏 南京 210063
关键词: 生物膜吸附;动力学模型;吸附等温线
出版年,卷(期):页码: 2011,31(4):6-8

摘要:
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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