Microwave Solvothermal Fabrication of Zirconia Hollow Microspheres with Different Morphologies Using Pollen Templates and Their Dye Adsorption Removal

作者：Zhao, Junkai; Ge, Shengsong^*; Liu, Lirong; Shao, Qian; Mai, Xianmin^*; Zhao, Cindy Xinxin; Hao, Luhan; Wu, Tingting; Yu, Zepei; Guo, Zhanhu^*

来源：Industrial & Engineering Chemistry Research, 2018, 57(1): 231-241.

DOI：10.1021/acs.iecr.7b04000

• CATALYTIC-ACTIVITY
• CONGO RED
• ZRO2
• YEAST
• WATER
• SURFACE
• TIO2
• NANOPARTICLES
• PERFORMANCE
• CHROMIUM

Both porous and scale-like wall zirconia (ZrO2) hollow microspheres were successfully prepared through a facile and mild microwave solvothermal method using the rape pollen as biotemplates. The formation mechanisms were discussed for both ZrO2 hollow microspheres fabricated using pollen biotemplate with different pollen treatments. The porous ZrO2 hollow microspheres had a specific surface area of 40.92 m(2).g(-1), significantly higher than scale-like wall ZrO2 hollow microspheres (24.79 m(2).g(-1)) and ZrO2 particles (27.99 m(2).g(-1)). The adsorption test results showed that porous ZrO2 hollow microspheres had a higher adsorption capability (96.98 g.mg(-1)) than scale-like wall ZrO2 hollow microspheres (38.55 g.mg(-1)) and ZrO2 particles (32.03 g.mg(-1)) for Congo red. The adsorption followed pseudo-second-order kinetics, and the adsorption process was homogeneous adsorption of monolayer.

• 出版日期2018-1-10
• 单位西南民族大学; 山东科技大学