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Study on Adsorption of Co(II) and Ni(II) onto Mesoporous Ti-Containing MCM-48

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Ti-containing MCM-48 (Ti-MCM-48) material with mesoporous structure was synthesized and characterized, and the absorption processes of Co(II) and Ni(II) on the material were investigated in detail in the present study. The Ti- MCM-48 was synthesized by hydrothermal reaction and characterized by XRD, FT-IR and nitrogen sorption methods. Optimum pH value for maximum adsorption rate is 8.0, and the saturated adsorption capacities of Ti-MCM-48 for Co(II) and Ni(II) are 9.870 and 22.94 mg·g−1 respectively, which are greater than those of the reported materials Adsorption isotherms of Co(II) and Ni(II) on Ti-MCM-48 accord well with the Langmuir adsorption models. Kinetic data of adsorption reactions and the adsorption equilibrium parameters were also determined, and the obtained data correlated linearly with the pseudo-second order equation.
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Document Type: Research Article

Publication date: 2011-08-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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