|本期目录/Table of Contents|

[1]汤亚飞,刘作焕,周旋.生物炭对亚甲基蓝的吸附动力学[J].武汉工程大学学报,2014,(09):23-28.[doi:103969/jissn16742869201409005]
　TANG Ya fei,LIU Zuo huan,ZHOU Xuan.Kinetics of biological activated carbon on blue methylene adsorption[J].Journal of Wuhan Institute of Technology,2014,(09):23-28.[doi:103969/jissn16742869201409005]
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生物炭对亚甲基蓝的吸附动力学(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2014年09期
页码:
23-28
栏目:
化学与化学工程
出版日期:
2014-09-30

文章信息/Info

Title:
Kinetics of biological activated carbon on blue methylene adsorption
文章编号:
16742869(2014)09002306
作者:
汤亚飞; 刘作焕; 周旋
武汉工程大学化学与环境工程学院，湖北 武汉430074
Author(s):
TANG Yafei;  LIU Zuohuan;  ZHOU Xuan
School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430074, China
关键词:
生物炭; 正交试验; 准二级吸附动力学
Keywords:
biological activated carbon;  orthogonal experiments;  quasi two stage adsorption kinetic
分类号:
TQ150.1
DOI:
103969/jissn16742869201409005
文献标志码:
A
摘要:
采用静态吸附试验确定生物炭吸附的最适宜温度、振荡速度、亚甲基蓝初始浓度、生物炭投加量及吸附时间的范围，选择吸附温度、亚甲基蓝初始浓度、生物炭的投加量进行正交实验，得到最优吸附工艺条件：反应温度35 ℃，生物炭的投加量0.4 g，亚甲基蓝的浓度45 mg/L，生物炭对亚甲基蓝的去除率98.6%，吸附量5.54 mg/g.最优条件下的动力学研究表明亚甲基蓝溶质分子在两相界面上进行的吸附达到平衡时，亚甲基蓝浓度与生物炭的吸附量之间符合Freundlich吸附等温线.吸附动力学特性符合准二级吸附动力学，生物炭对于亚甲基蓝的吸附以化学吸附为速率控制步骤.
Abstract:
Suitable temperature, shaking speed, initial concentration of methylene blue, biological activated carbon dosage and adsorption time range were determined by biological activated carbon adsorption test. Then the temperatures, initial concentration of methylene blue, biological activated carbon dosage were chosen to be investigated by the orthogonal experiment, the optimal adsorption process conditions are as follows: reaction temperature of 35 ℃, biological activated carbon dosage of 0.4 g, concentration of methylene blue of 45 mg/L, the removal of methylene blue by biological activated carbon of 98.6%, the adsorption amount of 5.54 mg/g. Finally, the kinetic study in optimal conditions indiactes that the adsorbed methylene blue concentration and the biological activated carbon accord with the Freundlich adsorption isotherm when the adsorption of solute molecules of methylene blue comes to balance at the interface. The characteristics of adsorption kinetics are consistent with the quasi two stage adsorption kinetics, and biological activated carbon’s adsorption of methylene blue is controlled by chemical adsorption.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：20140604作者简介：汤亚飞（1964），男，湖北黄梅人，教授，博士，硕士研究生导师．研究方向：环境工程．
更新日期/Last Update: 2014-10-09