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火力发电厂飞灰对抗生素磺胺的吸附性能

Keywords: 飞灰,磺胺,抗生素,吸附动力学

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Abstract:

研究了吸附时间、飞灰用量、初始溶液pH和振荡频率等因素对飞灰吸附去除水溶液中磺胺的影响,并对其吸附机理进行了初步探讨。研究结果表明,飞灰用量增大有利于提高其对磺胺的吸附去除率。在25℃、振荡频率150r/min、飞灰用量50g/L、磺胺浓度4mg/L条件下吸附10min,磺胺的吸附去除率可达到92.8%。电厂飞灰对磺胺的吸附符合二级动力学模型,属于单分子层吸附。

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