Preparation of anion exchange resin by recycling of waste printed circuit boards
Preparation of anion exchange resin by recycling of waste printed circuit boards
复制标题
废旧印刷电路板回收制备阴离子交换树脂
DOI：
10.1039/c5ra18142a
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发表时间：
2015-12
期刊：
影响因子：
3.9
通讯作者：
Yangjun Wang
中科院分区：
文献类型：
--
作者：
Songhang Liu;Jinyang Chen;Jianhua Zu;Yangjun Wang
摘要研究了以热固性环氧树脂（tepr）为主的废印刷电路板（wpcb）非金属组分的难溶性和难挠性，采用氯甲基化和季铵化方法将其转化为阴离子交换树脂的新方法。该产品的离子交换容量（IEC）为2.4345 mmol g−1，热稳定性可达200℃。研究了制备的阴离子交换树脂在吸附Cr（VI）中的应用。拉曼光谱证实了该材料对Cr（VI）的吸附，最大吸附量为47.85 mg g−1。对于等温吸附模型，Langmuir模型比Freundlich模型更合适。测定了吸附动力学，得到活化能（Ea）为3.51 kJ mol−1。
The traditional treatment of the non-metal components of waste printed circuit boards (WPCBs), mainly thermosetting epoxy resins (TEPRs), is very difficult because they are inflexible and insoluble, and thus a new method to convert them into anion exchange resin by chloromethylation and quaternization was studied. The ion exchange capacity (IEC) of the product is 2.4345 mmol g−1 and the thermal stability is up to 200 °C. The application of the produced anion exchange resin to adsorption of Cr(VI) was studied in detail. The adsorption of Cr(VI) was confirmed by Raman spectroscopy and the maximum adsorption capacity was 47.85 mg g−1. As for the isotherm adsorption model, the Langmuir model is more appropriate than Freundlich. The adsorption kinetics was determined and activation energy (Ea) was found to be 3.51 kJ mol−1.
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DOI：
10.1016/s1003-6326(11)61539-2
发表时间：
2012-11
影响因子：
4.5
作者：
Wenqing Wang;Mingyu Li;Qing-xuan Zeng
通讯作者：
Wenqing Wang;Mingyu Li;Qing-xuan Zeng
DOI：
10.1016/s0016-0032(17)90938-x
发表时间：
--
影响因子：
4.1
作者：
I. Langmuir
通讯作者：
I. Langmuir
影响因子：
13.6
作者：
Yihui Zhou;Ke-qiang Qiu
通讯作者：
Yihui Zhou;Ke-qiang Qiu
影响因子：
3.9
作者：
Li Zhang;Yaxi Tian;Yaopeng Guo;Hui Gao;Haizhen Li;Shiqiang Yan
通讯作者：
Li Zhang;Yaxi Tian;Yaopeng Guo;Hui Gao;Haizhen Li;Shiqiang Yan
影响因子：
3.8
作者：
M. Yue;Mengze Zhang;B. Liu;Xing Xu;Xiaoming Li;Q. Yue;Chunyuan Ma
通讯作者：
M. Yue;Mengze Zhang;B. Liu;Xing Xu;Xiaoming Li;Q. Yue;Chunyuan Ma