沸石
吸附
材料科学
原材料
核化学
热液循环
钾
水热合成
饱和(图论)
化学工程
废水
煤矸石
废物管理
无机化学
冶金
催化作用
化学
有机化学
数学
组合数学
工程类
作者
Lixiang Wang,Sijia Zhang,Z Z Ye,Rui Zhang,QI Li-ming,Xiaoli Wang
出处
期刊:Science of Advanced Materials
[American Scientific Publishers]
日期:2023-10-01
卷期号:15 (10): 1311-1317
标识
DOI:10.1166/sam.2023.4558
摘要
In this paper, LSX zeolite was synthesized in a sodium-potassium system through the traditional hydrothermal synthesis method with coal gangue in Wuhai area as raw material. The synthesized products were characterized by XRD, SEM, TEM, BET, IR and so on. The synthetic LSX zeolite was utilized to adsorb simulated wastewater containing Zn 2+ and Ni 2+ , and the optimal adsorption conditions were determined. The removal rate and adsorption capacity of Zn 2+ and Ni 2+ were studied under these conditions, which were 96.36%, 96.83%, 96.36, 72.62 mg/g, respectively. The zeolite after adsorption saturation can be recycled 4 times in the mixed solution of 6% NaOH and 1% NaCl as the regenerant, and the regeneration rate is above 90%.
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