引用本文:
韩效钊, 姚卫棠, 胡波, 邓正涛. 离子交换法从钾长石提钾[J]. 应用化学,
2003, 20(4): 373-375.
Citation: HAN Xiao-Zhao, YAO Wei-Tang, HU Bo, DENG Zheng-Tao. Extraction of Potassium from Potash Feldspar by Ion-exchange[J]. Chinese Journal of Applied Chemistry, 2003, 20(4): 373-375.
Citation: HAN Xiao-Zhao, YAO Wei-Tang, HU Bo, DENG Zheng-Tao. Extraction of Potassium from Potash Feldspar by Ion-exchange[J]. Chinese Journal of Applied Chemistry, 2003, 20(4): 373-375.
离子交换法从钾长石提钾
English
Extraction of Potassium from Potash Feldspar by Ion-exchange
Abstract:
The extraction of potassium from potash feldspar by NaCl,CaCl2,SrCl2 and BaCl2 has been investigated as function of salt kind and calcination temperature.The phase compositions of potash feldspar and its calcinated,and water insoluble substances of NaCl,CaCl2 co-calcinated potash feldspar were analyzed by XRD.The experiment results showed that the order of ion exchange extraction of potassium was Na+ >Ca2+ >Sr2+ >Ba2+,and at calcination temperature over the melting points of NaCl or CaCl2,the two salts gave potassium ion-exchange degree>90% much greater than that calcinated with other salts.
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Key words:
- potash feldspar
- / potassium extraction
- / ion exchange
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