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1篇 您的检索式:作者名="Muleja Anga Adolph"
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1Phosphine functionalised multiwalled carbon nanotubes:A new adsorbent for the removal of nickel from aqueous solution显示文摘Synthesised triphenylphosphine-linked multiwalled carbon nanotubes (Tpp-MWCNTs) were used to study the adsorption of nickel in aqueous solutions and their adsorption capabilities were compared with purified MWCNTs.The adsorption capacity increased with an increase in pH for all adsorbents.The adsorption equilibrium was reached in 40 and 30 min for purified MWCNTs and Tpp-MWCNTs,respectively.Both Freundlich and Langmuir isotherms used to investigate the adsorption process fitted the experimental data well with the correlation coefficient R 2 close to 1 for all adsorbents.On the other hand,the experimental data fitted well with a pseudo secondorder model.The speciation of nickel also influenced the adsorption on the purified and Tpp-MWCNTs.The adsorbents used in this study showed superior adsorption capacity when compared to other adsorbents reported in the literature.Muleja Anga Adolph Yangkou Mbianda Xavier Pillay Kriveshini Krause Rui 2012Journal of Environmental Sciences2012,24,6:2
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