提锂吸附剂的合成与吸附过程研究

Abstract

Abstract: Spinel Li_1.6Mn_1.6O₄ was synthesized with KMnO₄ as raw material via hydrothermal reaction and calcinations.Then H_1.6Mn_1.6O₄ which had a lithium adsorption effect was produced by exchanging H⁺ in HCl with the lithium of spinel Li_1.6Mn_1.6O₄. The intermediate-product and end-product were characterized by SEM and XRD.The results of adsorption experiment using H_1.6Mn_1.6O₄ as the adsorbent，showed that the synthetic adsorbent had a good performance in adsorption capacity to lithium ions with the maximum adsorption of 46 mg/g.And the results of desorption experiment with HCl showed that the desorption rate was above 95% and the dissolved loss rate was about 3%.

Key words: lithium-manganese oxide, lithium extraction, adsorbent, hydrothermal method

CLC Number:

TQ131.11

JIE Li-Xin, ZHAO Yu, CHEN Xiao-Mian, JIE Ao. Synthesis of adsorbent for extracting lithium and research on adsorption process[J]. INORGANICCHEMICALSINDUSTRY, 2012, 44(12): 28-.

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Inorganic Acid-Base-Salt Committee of CIESC

Synthesis of adsorbent for extracting lithium and research on adsorption process

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