Practical synthesis of manganese oxide MnO2 center dot 0.5H(2)O for an advanced and applicable lithium ion-sieve

doi:10.1016/j.jssc.2020.121768

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	Practical synthesis of manganese oxide MnO2 center dot 0.5H(2)O for an advanced and applicable lithium ion-sieve
	Zhang, Guotai; Zhang, Jingze; Zhou, Yuan; Qi, Guicai; Zeng, Jinbo; Sun, Yanxia; Shen, Yue; Li, Xiang; Ren, Xiufeng; Dong, Shengde; Sun, Chao; Wu, Zhaowei; Hai, Chunxi; Tang, Weiping
第一作者	Zhang, Guotai
	2021-01
发表期刊	JOURNAL OF SOLID STATE CHEMISTRY
ISSN	0022-4596
卷号	293
摘要	Solid-phase reactions were used for the synthesization of the spinel Li1.6Mn1.6O4 powder and the lithium ion-sieve MnO2 center dot 0.5H(2)O was subsequently obtained by the leaching of the lithium. The physical characterization showed that the polycrystalline precursor and the MnO2 center dot 0.5H(2)O were nearly pure spinel, as well as that during the process of the adsorption-desorption, the structural stability was high. The Langmuir isotherm and pseudo second-order kinetics model showed consistency with the adsorption behavior, which indicated the presence of homogeneous adsorption sites for the lithium adsorption and that its process was chemisorption. Adsorbents were found to remain being characterized with a relatively high Li+ uptake (26.13 mg g(-1)) with low manganese extracted (1.71%) after the circulation experiment was performed up to 5 times, proving a significant repeatability and stability for the lithium ion-sieve. The concentration factors exhibited the highly selective adsorption capacity for absorbent from Qarhan raw brine with high concentrations of Na+, K+, Ca2+, Mg2+. The adsorbents could be efficiently used for Li+ recovery from Salt Lake brine as well as its excellent potential for further application.
DOI	10.1016/j.jssc.2020.121768
引用统计
文献类型	期刊论文
条目标识符	http://ir.isl.ac.cn/handle/363002/34322
专题	盐湖资源与化学实验室
推荐引用方式 GB/T 7714	Zhang, Guotai,Zhang, Jingze,Zhou, Yuan,et al. Practical synthesis of manganese oxide MnO2 center dot 0.5H(2)O for an advanced and applicable lithium ion-sieve[J]. JOURNAL OF SOLID STATE CHEMISTRY,2021,293.
APA	Zhang, Guotai.,Zhang, Jingze.,Zhou, Yuan.,Qi, Guicai.,Zeng, Jinbo.,...&Tang, Weiping.(2021).Practical synthesis of manganese oxide MnO2 center dot 0.5H(2)O for an advanced and applicable lithium ion-sieve.JOURNAL OF SOLID STATE CHEMISTRY,293.
MLA	Zhang, Guotai,et al."Practical synthesis of manganese oxide MnO2 center dot 0.5H(2)O for an advanced and applicable lithium ion-sieve".JOURNAL OF SOLID STATE CHEMISTRY 293(2021).

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