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Solar photooxidation of azo dye over mixed (Al-Fe) pillared bentonite using hydrogen peroxide |
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| Authors: | Yimin Li Yang Jin Haiyang Li |
| Affiliation: | (1) I: Department of Chemistry, Shaoxing University; II: Laboratory of Environment Spectroscopy, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences; III: Dalian Institute of Chemical Physics, Chinese Academy of Sciences, I: Shaoxing 312000, P.R.China; II: Hefei 230031, P.R.China; III: Dalian 116023, P.R.China;(2) Department of Chemistry, Shaoxing University, Shaoxing 312000, P.R.China;(3) I: Laboratory of Environment Spectroscopy, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences; II: Dalian Institute of Chemical Physics, Chinese Academy of Sciences, I: Hefei 230031, P.R.China; II: Dalian 116023, P.R.China |
| Abstract: | Summary The mixed Al-Fe pillared bentonite (Al/Fe-B) was tested as a heterogeneous catalyst for the photo-Fenton discoloration of azo dye X-3B under solar light irradiation. The structural characteristics of the catalyst were examined by XRD, BET, and TEM. The results indicate that the heterogeneous photo-Fenton process employing the Al/Fe-B as catalyst exhibits higher photo-catalytic activity compared to its corresponding homogeneous photo-Fenton process. The amount of Fe ions in solution leaching from the Al/Fe-B is less than 0.26% of the total iron content in the catalyst. |
| Keywords: | Al-Fe pillared bentonite heterogeneous photo-Fenton reactive brilliant red X-3B solar light irradition |
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