|本期目录/Table of Contents|

[1]龚文丽,丁雁鸿,张晨一,等.超分子结构纤维素基吸附剂对水体中钴离子的去除[J].浙江理工大学学报,2021,45-46(自科五):604-611.
 GONG Wenli,DING Yanhong,ZHANG Chenyi,et al.Removal of cobalt ions from water by cellulosebased adsorbents with supramolecular structure[J].Journal of Zhejiang Sci-Tech University,2021,45-46(自科五):604-611.
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超分子结构纤维素基吸附剂对水体中钴离子的去除()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第45-46卷
期数:
2021年自科第五期
页码:
604-611
栏目:
出版日期:
2021-09-10

文章信息/Info

Title:
Removal of cobalt ions from water by cellulosebased adsorbents with supramolecular structure
文章编号:
1673-3851 (2021) 09-0604-08
作者:
龚文丽丁雁鸿张晨一刘琳姚菊明
浙江理工大学材料科学与工程学院,杭州 310018
Author(s):
GONG Wenli DING Yanhong ZHANG Chenyi LIU Lin YAO Juming
School of Materials Science & Engineering, Zhejiang Sci-Tech  University, Hangzhou Zhejiang, 310018
关键词:
超分子结构纤维素钴离子去除吸附静电相互作用配位络合
分类号:
X524
文献标志码:
A
摘要:
以纤维素为原料,采用高碘酸钠氧化后接枝支化聚乙烯亚胺,制备超分子结构纤维素基吸附剂(Supramolecular aminofunctionalized cellulose,SAC),并分析SAC去除Co 2+离子的能力,并通过FTIR、EDS、吸附动力学和吸附等温线模型探究其去除机理。结果表明:SAC能快速去除Co 2+离子,在10 min内达到吸附平衡;吸附容量随着pH值的增加而增加,吸附效率随着温度的增加而降低;SAC对Co 2+离子的吸附是一个自发的放热过程,符合伪二级吸附动力学和Langmuir等温吸附模型,SAC对Co 2+最大吸附容量为52-63 mg/g;SAC对Co 2+离子的高效去除效率是静电作用、配位络合及离子交换共同作用。为水体中Co 2+离子的去除提供了一种新方法。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2021-01-25
网络出版日期:2021-03-31
基金项目:国家自然科学基金项目(51672251)
作者简介:龚文丽(1995-),女,南昌人,硕士研究生,主要从事纤维素基功能材料方面的研究
通信作者:刘琳,E-mail:liulin@zstu.edu.cn
更新日期/Last Update: 2021-09-16