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Author:

路楠 (路楠.) | 秦振平 (秦振平.) | 孙冰洋 (孙冰洋.) | 李钒 (李钒.)

Abstract:

以聚乙二醇(PEG)为致孔剂、甘油为增塑剂,采用聚合物辅助倒相法制备了壳聚糖微孔膜,并采用壳聚糖微孔膜吸附铬(Ⅵ)离子前后红外光谱图特征吸收峰位置变化,吸附循环过程中吸附量和去除率变化进行分析。用Langmuir和Freundlich吸附等温线方程对其吸附水中铬(Ⅵ)离子的实验数据进行拟合分析;利用准一级和准二级动力学方程对吸附过程进行拟合分析,根据Arrhenius公式作图并计算出活化能来研究壳聚糖微孔膜对铬(Ⅵ)离子的吸附机理。结果表明:吸附前后壳聚糖微孔膜—NH和—OH特征吸收峰的位置了发生变化;吸附循环过程中吸附量和去除率均呈现出不断降低的趋势;壳聚糖微孔膜对铬(Ⅵ)的吸附过程更适合L...

Keyword:

壳聚糖微孔膜 铬(VI)离子 吸附机理

Author Community:

  • [ 1 ] 北京工业大学

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Source :

当代化工

Year: 2022

Issue: 08

Volume: 51

Page: 1834-1839,1844

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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