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Updated: May 27, 2026
Facile Preparation of Ultrafine Aluminum Hydroxide Particles with or without Mesoporous MCM-41 in Ambient Environments
Published on: May 11, 2017
Superb fluoride and arsenic removal performance of highly ordered mesoporous aluminas
Wei Li1, Chang-Yan Cao, Ling-Yan Wu
1Key Laboratory for Molecular Nanostructures and Nanotechnology, Institute of Chemistry, Beijing National Laboratory for Molecular Sciences (BNLMS), Chinese Academy of Sciences, Beijing, PR China.
Abstract:
Highly ordered mesoporous aluminas and calcium-doped aluminas were synthesized through a facile and reproducible method. Their fluoride adsorption characteristics, including adsorption isotherms, adsorption kinetics, the effect of pH and co-existing anions were investigated. These materials exhibited strong affinity to fluoride ions and extremely high defluoridation capacities. The highest defluoridation capacity value reached 450 mg/g. These materials also showed superb arsenic removal ability. 1g of mesoporous alumina was able to treat 200 kg of arsenic contaminated water with a pH value of 7, reducing the concentration of arsenate from 100 ppb to 1 ppb.
