Adsorption of uranium(VI) on mesoporous silica microspheres supported titanium hydroxide hybrid material

作者：Wang, Rui; Wei, Yushi; Jiang, Heng^*; Gong, Hong

来源：Journal of Radioanalytical and Nuclear Chemistry, 2018, 318(3): 2023-2032.

DOI：10.1007/s10967-018-6288-0

• Adsorption
• Mesoporous silica microspheres
• Titanium hydroxide
• Uranium(VI)

In order to improve the utilization rate of hydroxyl group as the key ingredient for titanium hydroxide (TH) applying to the adsorption of U(VI) from aqueous solution, mesoporous silica microspheres supported titanium hydroxide (TH/SiO2) have been synthesized, which have characteristics of high specific surface area and easy separation compared to TH. The maximum adsorption capacity of 219mgg(-1) on TH/SiO2 which can be converted to 1086mgg(-1) on TH was achieved. The adsorption mechanism of U(VI) adsorbed on TH/SiO2 was mainly dominated by inner-sphere surface complexation.

• 出版日期2018-12
• 单位辽宁石油化工大学