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1篇 您的检索式：作者名="Sayed S.Metwally"

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		题名	作者	年代	出处	被引量
	1	Experimental and mathematical modeling of Cr(Ⅵ) removal using nano-magnetic Fe3O4-coated perlite from the liquid phase显示文摘Modification of perlite using nano-magnetic iron oxide was implemented to produce nano-magneticFe3O4-coated perlite composite(Fe3O4/Perlite).The prepared composite was characterized using Scanning Electron Microscopy,Fourier-Transform Infrared spectroscopy and Powder X-ray Fluorescence.The potentiality of both perlite and Fe3O4/Perlite composite to eliminate Cr(VI)from the environmentally relevant water was investigated.The influence of main factors which could affect the adsorption was studied including;pH of medium,shaking time and Cr(VI)ions concentration.The experimental outcome demonstrated that the modification of perlite by nano-magnetic Fe3O4 showed a significantly enhanced Cr(VI)removal efficiency relative to that of unmodified perlite.From the kinetic studies,the experimental data fitted well with the pseudo-second-order model.Moreover,it proposes that Langmuir isotherm is more adequate than the Freundlich isotherm for both perlite and modified perlite.The results recommended that Fe3O4/Perlite composite had a great potential as an economic and efficient adsorbent of Cr(VI)from contaminated water,which has huge application potential.	Ismail M.Ahmed Mostafa M.Hamed Sayed S.Metwally	2020	Chinese Journal of Chemical Engineering2020，28，6：	0

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