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- W3204115476 abstract "Search for eco-friendly adsorbents for sustainable dye treatment is on the rise. The present study demonstrated the enhanced removal of malachite green (MG) with alkali-modified shells of water chestnut (AWCN) under optimized physio-chemical parameters. Alkali treatment significantly reduces the lignocellulosic components which in turn increased the water stability. The material was been characterized by pHzpc, FTIR, FESEM-EDAX, and BET surface area analysis. pH-dependent adsorption was noticed and the maximum adsorption capacity was determined as 136.46 mg/g. Adsorption followed pseudo-second-order kinetics (R2=0.99) and Langmuir isotherm model (R2=0.99). Thermodynamic parameters suggested that the adsorption process is spontaneous (ΔG°= −2.99 kJ/mol), favorable and endothermic (ΔH°=34.72 kJ/mol). Simple regeneration allows multi-cycle use with minimal loss of activity. The mechanism has been proposed to be a combination of electrostatic interaction, H-bonding, and π–π stacking between AWCN and MG. In conclusion, alkali modification of Trapa natans L. shells provides excellent removal of MG from water." @default.
- W3204115476 created "2021-10-11" @default.
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- W3204115476 date "2021-09-30" @default.
- W3204115476 modified "2023-10-16" @default.
- W3204115476 title "Alkali treated water chestnut <i>(Trapa natans L.)</i> shells <i>as a</i> promising phytosorbent for malachite green removal from water" @default.
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- W3204115476 doi "https://doi.org/10.1080/15226514.2021.1977912" @default.
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