【摘 要】
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Fe(Ⅲ)immobilized fire clay(Fe-FC)was prepared using ferric nitrate by solid state dispersion method and this hetero-Fenton catalyst was applied for the degrada
【机 构】
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Department of Chemistry
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Fe(Ⅲ)immobilized fire clay(Fe-FC)was prepared using ferric nitrate by solid state dispersion method and this hetero-Fenton catalyst was applied for the degradation of Acid Violet 7(AV 7)under natural sunlight.The 26％ ferric nitrate loaded fire clay was found to be most efficient.The experimental conditions such as solution pH,H2O2 concentration for efficient degradation of AV 7 have been determined.Unlike Fenton catalyst,Fe-FC is photoactive over a wide pH range of 3-7.This catalyst was found to be stable and reusable.The G-C-MS analysis of experimental solutions during irradiation revealed the formation of 2,8-diaminonaphthalene-1,3,6-triol,8-aminonaphthalene-1,2,3,6-tetrol,2-aminonaphthalene-1,3,6,8-tetrol and 2-aminobenzene-1,3-diol/5-aminonbenzene-1,3-diol/2-aminobenzene-1,4-diol as intermediates.The 26％ ferric nitrate loaded fire clay was characterized by XRD,ICP-AES,BET surface area,FT-IR,SEM-EDS and UV-DRS studies.
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