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Citation: ZHANG Feng, ZHANG Heng, ZHU Wancheng, LI Yanxin, ZHAO Bin. Microwave Preparation of Fe-Pillared Bentonite and Its Photocatalytic Activity toward the Degradation of Methyl Orange[J]. Chinese Journal of Applied Chemistry, ;2012, 29(6): 668-673. doi: 10.3724/SP.J.1095.2012.00413 shu

Microwave Preparation of Fe-Pillared Bentonite and Its Photocatalytic Activity toward the Degradation of Methyl Orange

1.
School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, China

Corresponding author: ZHANG Heng,
Received Date: 15 September 2011
Available Online: 5 December 2011
Fund Project: 山东省自然科学基金(Z2008B12) (Z2008B12)曲阜师范大学青年基金(XJ201004)资助项目 (XJ201004)

Fe-pillared bentonite catalyst was prepared under microwave irradiation using calcium base bentonite as the precursor,and characterized by X-ray diffraction,N₂ adsorption-desorption,scanning electron microscope,energy dispersive spectrometer,thermogravimetry differential scanning calorimetry.The results showed that the iron was pillared at the layer of bentonite well.The effects of preparation condition including reaction time,dosage of catalyst on the degradation of methyl orange were investigated.It was found that the degradation rate of the 100 mg/L methyl orange at pH=3.0 could reach 98.1% after 60 min reaction using 1.5 g/L Fe-pillared bentonite as the catalyst,which was prepared under 500 W microwave radiation keeping the reaction temperature at 80℃ for 10 min,and 7.345×10^-3 mol/L H₂O₂ as oxidant.
- microwave,
- Fe-pillared bentonite,
- photocatalytic degradation,
- methyl orange
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