Synthesis, Characterization of NaA Zeolite from Blast Furnace Slag (BFS) via Alkaline Fusion and Hydrothermal Treatment

被引：0
作者：
Changxin Li
Xiaoya Li
Chaoyang Li
Li Li
机构：
[1] Jingchu University of Technology,College of Chemical Engineering and Pharmacy
[2] Nanjing Tech University,College of Safety Science and Engineering
来源：
Journal of Wuhan University of Technology-Mater. Sci. Ed. | 2023年 / 38卷
关键词：
blast furnace slag; conversion; zeolite; characterization; adsorption;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A blast furnace slag zeolite (BFSZ) material was successfully synthesized from BFS by alkaline fusion and hydrothermal treatment. Via the analyses of XRD, FT-IR, FE-SEM, XRF, CEC and BET surface area measurement, when zeolite was synthesized at a crystallization temperature of 100 °C with initial Si/Al ratio of 1:1, the main composition in the product is Na-A zeolite. Under the above conditions, the BFSZ was synthesized with CEC of 3.06 meq/g and maximum BET surface area of 37.55 m2·g−1. Moreover, the incorporating of BFS-derived minor metals (such as Mg, Fe, and Ca) are found to be of little importance for the synthesis of BFSZ. Thus the obtained BFSZ material has a great adsorption performance for removing Mn2+, Cu2+, and NH4+ ions diluted in water, owing to the higher CEC.
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页码：401 / 407
页数：6
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