Abstract
Microstructured and nanostructured zinc oxides and zinc hydroxide loaded on activated carbon cloth (ACC) were synthesized by microwave-assisted chemical bath deposition (MACBD) at different pH also and hydrothermal methods.The composition and morphology of samples were investigated by X-ray diffraction (XRD) and scanning electron microscopy (SEM) methods. Deposited sediments on ACC by hydrothermal are dandelion-like structure with nanoneedles of 50 to 200nm diameter. Deposited samples with MACBD method at pH of 9.8 and 10.8 are flower-like and mixture of flower and rhombic microstructures, respectively. Performance of the synthesized adsorbents (by MACBD and hydrothermal methods) for removal of copper ion was studied by kinetic and equilibrium experiments. The experimental kinetic and equilibrium data have been fitted to different classical and recently developed models. All of the prepared samples behave as super adsorbent for removal of copper ion with maximum adsorption capacity of about 1300mg/g. Finally, the mechanism off adsorption is presented too.
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