Citation: Yuan-Hui Peng, Jin-Nan Wang, Xin Yang, Cheng Cheng, Thomas Wintgens. Preparation of a novel chelating resin for the removal of Ni2+ from water[J]. Chinese Chemical Letters, ;2014, 25(2): 265-268.
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A new chelating resin DVB-MA-HDA modified with hydroxamic acid groups was prepared for the fast removal of Ni2+ from water. SEM, BET, elemental analysis, FT-IR spectroscopy and XPS were used to characterize this new adsorbent. Batch adsorption experiment indicated that the equilibrium adsorption capacity of DVB-MA-HD for Ni2+ was more than 130 mg/g, and the adsorption isotherm can be well fitted by the Langmuir model. The adsorption kinetic curve indicates that more than 60% of the adsorption amount of Ni2+ at equilibrium occurred within the initial 20 min. 0.1 mol/L EDTA solution could desorb Ni2+ from DVB-MA-HDA effectively.
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Keywords:
- Chelating resin,
- Adsorption,
- Ni2+
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