Heterogeneous photodecolorization of mixture of methylene blue and bromophenol blue using CuO-nano-clinoptilolite |
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| Affiliation: | 1. Department of Chemistry, Shahreza Branch, Islamic Azad University, P.O. Box 311-86145, Shahreza, Isfahan, Iran;2. Young Researchers and Elite Club, Shahreza Branch, Islamic Azad University, Shahreza, Iran;3. Razi Chemistry Research Center (RCRC), Shahreza Branch, Islamic Azad University, Isfahan, Iran;1. Department of Chemistry, Shahreza Branch, Islamic Azad University, P.O. Box 311-86145, Shahreza, Isfahan, Iran;2. Young Researchers and Elite Club, Shahreza Branch, Islamic Azad University, Shahreza, Iran;3. Razi Chemistry Research Center (RCRC), Shahreza Branch, Islamic Azad University, Isfahan, Iran,;1. Department of Chemistry, Shahreza Branch, Islamic Azad University, P.O. Box 311-86145, Shahreza, Isfahan, Iran;2. Young Researchers and Elite Club, Shahreza Branch, Islamic Azad University, Shahreza, Iran;3. Razi Chemistry Research Center (RCRC), Shahreza Branch, Islamic Azad University, Isfahan, Iran;1. Department of Chemistry, Shahreza Branch, Islamic Azad University, P.O Box 311-86145, Shahreza, Isfahan, Iran;2. Razi Chemistry Research Center (RCRC), Shahreza Branch, Islamic Azad University, Isfahan, Iran |
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| Abstract: | CuO was incorporated into nano-particles of clinoptilolite via ion exchange and calcination processes. The obtained composite (CuO-NCP) was used for the photodeclorization process of an aqueous mixture of Methylene Blue and Bromophenol Blue. All samples were characterized by FT-IR, XRD, DRS, SEM and SEM. The optimum conditions were approximated as: 7 ppm dyes, pH 5.9, catalyst dose of 0.2 g L−1 and CuO loading of 4.9%. The declorization extents of 61% and 32% were respectively obtained for MB and BPB during 180 min irradiation. The degradation extent was monitored by UV–vis spectroscopy and confirmed by chemical oxygen demand (COD). |
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| Keywords: | Nano particles Clinoptilolite Photocatalysis Dyes |
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