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Removal of RY42 anionic dye pollutant from aqueous solution using novel reusable adsorbent prepared from water chestnut peel and fruit

Author : Maryam Yousaf, Muhammad Ahmad‡, Ijaz Ahmad Bhatti and Abdul Nasir

Pages : 732-738, DOI:
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Herein a novel low-cost reusable adsorbent namely water chestnut (WCN) peels and fruit were used for the dye polluted wastewater treatment. Moreover, to enhance the adsorption efficiency of WCN peel and fruit it surface was modified with sodium dodecyl sulphate, whereas surface area of sample was changed via immobilizing the sample in to beads using polyvinyl alcohol- Sodium alginate. Surface modification and change in surface area reduced the adsorption potential of WCN peel and fruit for reactive yellow 42 dye as compared to unmodified sample of WCN. A distinct change in surface morphology after surface modification was observed by scanning electron microscopy. At optimized concentration of dye (50 mgL-1) equilibrium was attained within 120 minutes, kinetic data obtained was well interpreted by pseudo-second order kinetic model. Langmuir and Freundlich isothermal models were applied to explain isothermal data. Statistical analysis was done using regression line. A 0.01 M NaOH solution successfully eluted the dye from adsorbent, confirming it as reusable adsorbent.

Keywords: The author can include 5-7 words like Thermal Analysis, Pre-conditioner, In-mold, Inoculant’s efficiency

Article published in International Journal of Current Engineering and Technology, Vol.8, No.3 (May/June 2018)

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