| 板栗壳对罗丹明B的吸附性能研究 |
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| 引用本文： | 马艳梅,刘仁植,李晓严.板栗壳对罗丹明B的吸附性能研究[J].化学试剂,2020,42(2):131-136. |
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| 作者姓名： | 马艳梅 刘仁植 李晓严 |
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| 作者单位： | 信阳学院理工学院,河南信阳 464000;信阳学院理工学院,河南信阳 464000;信阳学院理工学院,河南信阳 464000 |
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| 基金项目： | 国家自然科学基金;广东外语外贸大学校级项目 |
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| 摘 要： | 利用信阳本地板栗的板栗壳粉作为吸附剂,用于吸附罗丹明B。研究了用量、时间、pH以及温度对其吸附效果的影响。结果表明,板栗壳粉对罗丹明B的最佳吸附条件为:用量3 g/L、吸附时间5 h、pH 3、温度40℃,在此条件下板栗壳对罗丹明B的吸附率达到92.92%。相较于Langmuir模型,Freundlich模型更适合模拟板栗壳对罗丹明B的吸附。板栗壳对罗丹明B染料的吸附过程符合准二级动力学。
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| 关 键 词： | 板栗壳 罗丹明B 吸附 动力学拟合 准二级动力学 |
Adsorption Performance of Chestnut Shells for Rhodamine B |
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| MA Yan-mei,LIU Ren-zhi,LI Xiao-yan.Adsorption Performance of Chestnut Shells for Rhodamine B[J].Chemical Reagents,2020,42(2):131-136. |
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| Authors: | MA Yan-mei LIU Ren-zhi LI Xiao-yan |
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| Affiliation: | (School of Science and Technology,Xinyang College,Xinyang 464000,China) |
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| Abstract: | The chestnut shells power of xinyang local chestnut were used as adsorbent to adsorb Rhodamine B.The effects of dosage,time,pH and temperature on the adsorption were investigated.The best adsorption conditions for Rhodamine B by the chestnut shells powder were dosage 3 g/L,adsorption time 5 h,pH 3,temperature 40 ℃.The adsorption rate for Rhodamine B by the chestnut shells was 92.92% on the best adsorption condition.Compared with Langmuir model,Freundlich model was more suitable to simulate the adsorption of chestnut shells on Rhodamine B.The adsorption process of chestnut shells on Rhodamine B well fitted by the pseudo-second-order equation. |
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| Keywords: | chestnut shell Rhodamine B adsorption dynamic fitting pseudo-second-order equation |
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