Removal of Ni (II) ions from water using scrap tire
作者： Vinod Kumar Gupta , Suhas , Arunima Nayak , Shilpi Agarwal , Monika Chaudhary
DOI: 10.1016/J.MOLLIQ.2013.11.008
关键词: Langmuir adsorption model 、 Industrial wastewater treatment 、 Adsorption 、 Inorganic chemistry 、 Materials science 、 Endothermic process 、 Metal ions in aqueous solution 、 Aqueous solution 、 Nickel 、 Activated carbon
摘要: Abstract The present study was undertaken to evaluate the potential of scrap tire as adsorbent for removal nickel ions from water. activated carbon prepared showed porous morphology and favorable surface chemistry binding Ni 2 + ions. Batch studies demonstrated that under laboratory conditions, a 0.5 g/L dose found be optimum at pH 7, contact time 50 mins temperature 55 °C achieving ≥ 95% synthetic solution containing 0.1 ppm concentration. Practical applications using metal fabricating industrial wastewater revealed developed has capability removing not only 95% but also other toxic were removed significant extent. Langmuir isotherm model parameters maximum adsorption capacity 25 mg/g with conditions removal. process is believed proceed by an initial followed intraparticle diffusion. Thermodynamic feasibility endothermic nature system. results suggest can used beneficially aqueous solution.
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