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Title

PHOTOCATALYTIC DECOLORIZATION KINETICS OF YELLOW PYOCTANINE IN THE PRESENCE OF A NANOCOMPOSITE POWDER AT THE VARIOUS BUFFER AND NON-BUFFER PHS

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Abstract

 WASTEWATER FROM TEXTILE INDUSTRIES INSERT A LARGE AMOUNT OF CHEMICALLY DIFFERENT MATERIALS AS ORGANIC OR INORGANIC POLLUTANT INTO THE ENVIRONMENT DUE TO INDUSTRIAL APPLICATIONS AND A SIGNIFICANT PROPORTION OF THESE COMPOUNDS. AROUND 10-15% OF ALL THE DYES USED IN THE INDUSTRY ARE LOST WITHIN WASTEWATER DURING SYNTHESIS AND PROCESSING [1]. DIFFERENT TECHNIQUES HAVE BEEN USED FOR TREATMENT OF CONTAMINANT EFFLUENTS [2,3], BUT THE MOST OF THESE METHODS ARE INEFFECTIVE AND THERE IS A NEED TO DEVELOP MORE EFFECTIVE TREATMENT METHODS IN ELIMINATING DYES FROM THE WASTEWATER [4,5]. A SUITABLE METHOD FOR REMOVAL OF POLLUTANTS FROM WATER IS USE OF NON-TOXIC PHOTOCATALYST LIKE NANO-METAL OXIDE SEMICONDUCTORS FOR MINERALIZATION OF ORGANIC CONTAMINANTS TO CARBON DIOXIDE, WATER AND MINERAL ACIDS [6,7].IN THIS RESEARCH, THE CATALYTIC ACTIVITY OF ZINC ZIRCONATE NANO-POWDER WAS INVESTIGATED FOR DEGRADATION OF YELLOW PYOCTANINE DYE UNDER 400 W HIGH PRESSURE MERCURY LAMP UNDER AEROBIC CONDITIONS AT ROOM TEMPERATUREAT BUFFER AND NON-BUFFER PHS. THE DECOLORIZATION PROCESS WAS MONITORED BY SPECTROPHOTOMETRICAL METHOD. THE EFFECTS OF UV LIGHT, BUFFER AND NON-BUFFER PHS, IRRADIATION TIME AND NANO-PHOTOCATALYST AMOUNT WERE STUDIED. THE PHOTOCATALYTIC DEGRADATION OF DYE WAS FOUND TO BEHAVE AS A FIRST ORDER REACTION. KINETIC INVESTIGATION OF PHOTODEGRADATION OF YELLOW PYOCTANINE DYE, SHOWED THAT THE REACTION OBEY FROM IMPROVED LANGMUIR-HINSHELWOOD (LH) MODEL. BASED ON L-H MODEL, RATE CONSTANT AND L-H ADSORBTION CONSTANTS AT ALL MEDIA WERE EVALUATED.

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    APA: Copy

    MONTAZEROZOHORI, MORTEZA, RAKHSHAN, SHAHBAZ, & HABIBI, MOHAMMAD HOSEIN. (2014). PHOTOCATALYTIC DECOLORIZATION KINETICS OF YELLOW PYOCTANINE IN THE PRESENCE OF A NANOCOMPOSITE POWDER AT THE VARIOUS BUFFER AND NON-BUFFER PHS. IRANIAN INORGANIC CHEMISTRY CONFERENCE. SID. https://sid.ir/paper/911501/en

    Vancouver: Copy

    MONTAZEROZOHORI MORTEZA, RAKHSHAN SHAHBAZ, HABIBI MOHAMMAD HOSEIN. PHOTOCATALYTIC DECOLORIZATION KINETICS OF YELLOW PYOCTANINE IN THE PRESENCE OF A NANOCOMPOSITE POWDER AT THE VARIOUS BUFFER AND NON-BUFFER PHS. 2014. Available from: https://sid.ir/paper/911501/en

    IEEE: Copy

    MORTEZA MONTAZEROZOHORI, SHAHBAZ RAKHSHAN, and MOHAMMAD HOSEIN HABIBI, “PHOTOCATALYTIC DECOLORIZATION KINETICS OF YELLOW PYOCTANINE IN THE PRESENCE OF A NANOCOMPOSITE POWDER AT THE VARIOUS BUFFER AND NON-BUFFER PHS,” presented at the IRANIAN INORGANIC CHEMISTRY CONFERENCE. 2014, [Online]. Available: https://sid.ir/paper/911501/en

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