[1]郭 勇*,冯艳文,王荷芳,等.烟秆渣对刚果红的吸附性能研究[J].电镀与精饰,2022,(5):57-62.[doi:10.3969/j.issn.1001-3849.2022.05.010]
　GUO Yong*,FENG Yanwen,WANG Hefang,et al.Study on Adsorption of Congo Red by Tobacco Stalk Residue[J].Plating & Finishing,2022,(5):57-62.[doi:10.3969/j.issn.1001-3849.2022.05.010]
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烟秆渣对刚果红的吸附性能研究()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2022年5
页码:
57-62
栏目:
出版日期:
2022-05-16

文章信息/Info

Title:
Study on Adsorption of Congo Red by Tobacco Stalk Residue
作者:
郭 勇1*; 冯艳文1; 王荷芳2; 施泽涛2
（1.天津市职业大学 生物与环境工程学院，天津 300410； 2.河北工业大学 化工学院，天津 300131）
Author(s):
GUO Yong1*;  FENG Yanwen1;  WANG Hefang2;  SHI Zetao2
（1.School of Biological and Environmental Engineering， Tianjin Vocational University， Tianjin 300410， China；　2.Chemical Engineering Institute， Hebei University of Technology， Tianjin 300131， China）
关键词:
烟秆渣; 刚果红废水; 吸附热力学; 吸附动力学
Keywords:
tobacco stalk residue;  congo red wastewater;  adsorption thermodynamics;  adsorption kinetics
分类号:
TS199
DOI:
10.3969/j.issn.1001-3849.2022.05.010
文献标志码:
A
摘要:
通过研究吸附材料投加浓度、吸附过程反应时间以及初始刚果红废水浓度对吸附效果的影响，对烟秆渣吸附过程的动力学和热力学进行了分析，建立了吸附模型。 结果表明：烟秆渣吸附刚果红的吸附平衡时间为 40 ～ 120 min ，最大平衡吸附量为 61.5 mg/g 。烟秆渣吸附刚果红符合二级动力学模型，随着浓度的增大，速率常数不断减小。烟秆渣吸附刚果红过程中 Δ H >0 ，说明吸附过程中体系吸热， Δ G <0 说明吸附自发进行， Δ S>0 说明烟秆渣吸附刚果红过程中固液界面的无序性和混乱度在增加。
Abstract:
： By studying the influences of the dosage concentration of adsorbent material ， the reaction time of adsorption process and the initial concentration of Congo red wastewater on the adsorption effect ， the kinetics and thermodynamics of the adsorption process of tobacco stalk residue were analyzed ， and the adsorption model was also established. The results showed that the adsorption equilibrium time of Congo red adsorbed by t obacco residue was 40~120 min ， and the maximum equilibrium adsorption capacity was 61.5 mg/g. The adsorption kinetics of Congo red by tobacco stem residue conformed to the second order kinetics ， and the rate constant decreased with the increase of concentration. In the process of adsorption of Congo red by tobacco stalk residue ， Δ H >0 indicates that the system absorbs heat during the adsorption process ， Δ G <0 indicates that the adsorption proceeds spontaneously ， Δ S >0 indicates that the disorder and chaos degree of solid-liquid interface are increasing in the process of adsorption of Congo red by tobacco stalk residue.

参考文献/References:



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备注/Memo

备注/Memo:
收稿日期： 2021-02-01 修回日期： 2021-09-01 作者简介： 郭勇（ 1978 ―），男，博士，副教授， email ： GYTJ1028@163.com 基金项目： 天津市职业大学校企协同创新项目“烟秆炭化材料吸附性能的研究及应用”（ XQXT2020110202 ）
更新日期/Last Update: 2022-05-14