Study on Polyaniline-tin(II) Molybdophosphate Nanocomposite Efficiency on Removal of Reactive Orange 122 dye from Aqueous Solutions
In the last few years, color removal from textile industries has been given much attention because of its potential toxicity and visibility problem. There have been various promising techniques for the removal of dyes. Adsorption is one of the most popular, effective and economic methods. Nanocomposite of polyaniline-molybdophosphatetin(II) was synthesized by polyaniline and molybdophosphatetin(II) via simple and easy method and was characterize by FTIR, XRD, FESEM, TEM, BET and EDS. Then, the efficiency of synthesized nanocomposite was investigated  on the removal of Reactive Orange 122 dye. FESEM and XRD data reveled that  the size of nanocomposite was 80 nm and  its structure was  amorphose. As results, dye adsorption onto nanocomposite was reached to equilibrium at 40 min. Also, its removal increased by increasing of nanocomposite dosage and decreasing of pH and dye concentration. Isotherm adsorption studied cionfirmed the Reactive Orange 122 dye adsorption onto polyaniline-molybdophosphatetin (II) was obeyed Langmuier isotherm and the maximum adsorption capacity for removal of Reactive Orange 122 dye by polyaniline-molybdophosphatetin(II) was obtained about 47.42 mg/g. The maximum removal of Reactive Orange 122 dye (87.56%) by polyaniline-molybdophosphatetin(II) was obtained at pH =2, 0.1g/250ml of nanocomposite, and 50mg/L of dye concentration.
Article Type:
Research/Original Article
Journal of Water & Wastewater, Volume:30 Issue:121, 2019
61 - 72  
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