【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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