| 光谱学与光谱分析 |
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| Spectral Studies of Novel Na Specific Adsorbent Li1+xAlxTi2-x(PO4)3 |
| SUN Jian-zhi1, 2,DENG Xiao-chuan1,SONG Shi-tao1, 2,WEI Shu-bin1, 2,MA Pei-hua1 |
1. Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, China
2. Graduate School of Chinese Academy of Sciences, Beijing 100039, China |
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Abstract A novel Na specific adsorbent Li1+xAlxTi2-x(PO4)3 was synthesized by high temperature solid state reaction method. The samples were characterized by X-ray diffraction(XRD) and scanning electron microscope(SEM). Raman and FTIR spectroscopic studies of these materials were carried out, and the vibrational bands were assigned. Their adsorption performances were investigated. The results indicate that the low concentration(x＜0.6) Al dopant does not affect the structure of the material but makes it able to selectively adsorb sodium. The adsorbing test results show that its exchange capacity is high with the maximum value of adsorption capacity of 11.76 mg·g-1 at x=0.4 and pH＝10.0-11.0. So it can be used to remove the microamounts impurity-sodium in the production of high purity lithium salt.
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Received: 2005-08-10
Accepted: 2005-10-29
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Corresponding Authors:
SUN Jian-zhi
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| Cite this article: |
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SUN Jian-zhi,DENG Xiao-chuan,SONG Shi-tao, et al. Spectral Studies of Novel Na Specific Adsorbent Li1+xAlxTi2-x(PO4)3 [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(10): 1943-1947.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2006/V26/I10/1943 |
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