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Title

REMOVAL OF CR (VI) FROM SIMULATED ELECTROPLATING WASTEWATER BY MAGHEMITE NANOPARTICLES

Pages

  935-944

Abstract

 Background: Removal of heavy metals from industrial wastewaters by iron nanoparticles has been much noticed in the recent years. Chromium is considered as one of the important environmental pollutants. There is high concentration of chromium in the wastewater of electroplating industries. Magnetic iron nanoparticles are used to control and eliminate of heavy metals from industrial effluents through the mechanisms of ADSORPTION, ion exchange and electro-static forces. The aim of this study was to evaluate the efficiency of magnetic nanoparticles for removal of hexavalent chromium (VI) from SIMULATED ELECTROPLATING WASTEWATER and the parameters that influence it removal.Methods: The MAGHEMITE NANOPARTICLES were prepared by sol-gel method through addition of two and trivalent iron chloride in the water environment under alkaline conditions. Then the factors influencing this process, including nanoparticle concentration, initial concentration of chromium, pH, mixing rate, and retention time were studied.Findings: The findings of this study showed that in the conditions of pH 2, initial chromium concentration of 10 mg/L, synthesized magnetite nanoparticles with a dose of 1 g/ L, retention time of 5 minutes, and mixing rate of 250 rpm, about 86% of chromium (VI) has been removed. In addition, characteristics of nanoparticles including, particles structure, composition, size and zeta potential was determined using analytical devices such as XRD, XRF, Zeta potential and particle seizer.Conclusion: It is concluded that magnetite nanoparticles have high performance for removal of chromium (VI) from SIMULATED ELECTROPLATING WASTEWATER, and removal efficiency is reversely related with pH.

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    APA: Copy

    KHODABAKHSHI, ABBAS, AMIN, MOHAMMAD MEHDI, MOZAFFARI, MORTEZA, & BINA, BIJAN. (2010). REMOVAL OF CR (VI) FROM SIMULATED ELECTROPLATING WASTEWATER BY MAGHEMITE NANOPARTICLES. HEALTH SYSTEM RESEARCH, 6(SUPPLEMENT), 935-944. SID. https://sid.ir/paper/192519/en

    Vancouver: Copy

    KHODABAKHSHI ABBAS, AMIN MOHAMMAD MEHDI, MOZAFFARI MORTEZA, BINA BIJAN. REMOVAL OF CR (VI) FROM SIMULATED ELECTROPLATING WASTEWATER BY MAGHEMITE NANOPARTICLES. HEALTH SYSTEM RESEARCH[Internet]. 2010;6(SUPPLEMENT):935-944. Available from: https://sid.ir/paper/192519/en

    IEEE: Copy

    ABBAS KHODABAKHSHI, MOHAMMAD MEHDI AMIN, MORTEZA MOZAFFARI, and BIJAN BINA, “REMOVAL OF CR (VI) FROM SIMULATED ELECTROPLATING WASTEWATER BY MAGHEMITE NANOPARTICLES,” HEALTH SYSTEM RESEARCH, vol. 6, no. SUPPLEMENT, pp. 935–944, 2010, [Online]. Available: https://sid.ir/paper/192519/en

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