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Removal of acid violet from wastewater by adsorption on waste red mud

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Environmental Geology

Abstract.

Waste red mud obtained during the processing of bauxite ore has been used for the adsorption of acid violet at different initial dye concentrations (10–40 mg/L), agitation time, adsorbent dosages (0.05–1.15 g/50 mL) and pH (2–11). Adsorption obeyed both Langmuir and Freundlich isotherms. Quantitative removal of dye was observed at pH 4.1. Desorption studies show that the adsorption is mainly due to ion-exchange.

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Authors and Affiliations

  1. Environmental Chemistry Lab, Department of Environmental Sciences, Bharathiar University, Coimbatore 641 046, Tamil Nadu, India, , , , ,

    C. Namasivayam,  R. Yamuna &  D. Arasi

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  1. C. Namasivayam
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  2. R. Yamuna
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  3. D. Arasi
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Namasivayam, .C., Yamuna, .R. & Arasi, .D. Removal of acid violet from wastewater by adsorption on waste red mud. Env Geol 41, 269–273 (2001). https://doi.org/10.1007/s002540100411

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  • DOI: https://doi.org/10.1007/s002540100411

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