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[1]陈 松,黄志良*,陈常连,等.Al3+/K+离子交换法从黑云母中提钾及水铝云母的电化学性能[J].武汉工程大学学报,2021,43(04):407-411.[doi:10.19843/j.cnki.CN42-1779/TQ.201909014]
 CHEN Song,HUANG Zhiliang*,CHEN Changlian,et al.Potassium Extraction from Biotite by Al3+/K+ Ion Exchange and Electrochemical Performance of Hydrated Al-Mical[J].Journal of Wuhan Institute of Technology,2021,43(04):407-411.[doi:10.19843/j.cnki.CN42-1779/TQ.201909014]
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Al3+/K+离子交换法从黑云母中提钾及水铝云母的电化学性能(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
43
期数:
2021年04期
页码:
407-411
栏目:
材料科学与工程
出版日期:
2021-08-31

文章信息/Info

Title:
Potassium Extraction from Biotite by Al3+/K+ Ion Exchange and Electrochemical Performance of Hydrated Al-Mical
文章编号:
1674 - 2869(2021)04 - 0407 - 05
作者:
陈 松黄志良*陈常连陈 石程怡林吴昌胜姚东辉
武汉工程大学材料科学与工程学院,湖北 武汉 430205
Author(s):
CHEN SongHUANG Zhiliang*CHEN ChanglianCHEN ShiCHENG YilinWU ChangshengYAO Donghui
School of Materials Science and Engineering,Wuhan Institute of Technology,Wuhan 430205,China
关键词:
水铝云母离子交换提钾率电化学性能
Keywords:
hydrated Al-mical ion exchange potassium extraction efficiency electrochemical performance
分类号:
TD985
DOI:
10.19843/j.cnki.CN42-1779/TQ.201909014
文献标志码:
A
摘要:
采用Al3+/K+离子交换法从难溶性含钾矿物黑云母中提取出可溶性钾并制备水铝云母。采用X-射线衍射与X射线荧光光谱对水铝云母的物相和化学组成进行分析,探究了反应时间与pH值对黑云母提钾率的影响及机理,同时通过电化学工作站测定了水铝云母的电化学性能。结果表明:溶液pH和反应时间分别为1.2和8 h时,提钾率达到最大值91.4%,且水铝云母仍具有层状硅酸盐结构。水铝云母的放电比电容为14.86 F/g,较黑云母(0.32 F/g)有明显提高。
Abstract:
The hydrated Al-mical was prepared by using Al3+/K+ ion exchange method to extract soluble potassium from the poorly soluble potassium-containing mineral biotite and its phase and chemical composition were characterized by X-ray diffraction and X-ray fluorescence spectroscopy. The effects of reaction time and pH on the potassium extraction rate of biotite were investigated. Moreover,the electrochemical performance of biotite and hydrated Al-mical were determined by electrochemical work station. The results indicate that the maximum efficiency of potassium extraction reaches 91.4% when the reaction time is 8 h at pH 1.2,and the layer structure of silicate for the hydrated Al-mical keeps well. Electrochemical results show that the hydrated Al-mical delivers high specific capacitance of 14.86 F/g,which is much higher than that of biotite (0.32 F/g).

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-09-08 基金项目:国家自然科学基金(51374155);湖北省科技支撑计划(2014BCB034,2015BAA105);湖北省自然科学基金(2014CFB796)作者简介:陈 松,硕士研究生。E-mail:2578698302@qq.com*通讯作者:黄志良,博士,教授。E-mail:hzl6455@126.com引文格式:陈松,黄志良,陈常连,等. Al3+/K+离子交换法从黑云母中提钾及水铝云母的电化学性能[J]. 武汉工程大学学报,2021,43(4):407-411.
更新日期/Last Update: 2021-08-07