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Equilibrium and Kinetic Adsorption Study of the Removal of Orange-G Dye Using Carbon Mesoporous Material
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作者 KAVEH Arzani BEHDAD Ghaderi Ashtiani amirhossein haji aboutorab kashi 《无机材料学报》 SCIE EI CAS CSCD 北大核心 2012年第6期660-666,共7页
Mesoporous carbon CMK-3 was synthesized by using SBA-15 silica mesoporous as hard template and characterized through nitrogen adsorption/desorption and low angle X-ray diffraction.As-prepared material with large pores... Mesoporous carbon CMK-3 was synthesized by using SBA-15 silica mesoporous as hard template and characterized through nitrogen adsorption/desorption and low angle X-ray diffraction.As-prepared material with large pores and high surface area was used to remove Orange G dye from aqueous solution.Adsorption experiments were carried out as batch studies at variety of contact times,pH,initial dye concentrations,temperatures and salt concentrations.Langmuir and Freundlich isotherm models were employed to simulate the equilibrium data of anionic dye.It was found that the equilibrium data were well represented by the Langmuir isotherm,yielding maximum monolayer adsorption capacity of 189 mg/g.Experimental data were analyzed using pseudo-first order and pseudo-second order kinetic models and obtained results indicated that kinetics followed a pseudo-second order equation. 展开更多
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