Adsorption of anionic and cationic dyes from aqueous solution using gelatin-based magnetic nanocomposite beads comprising carboxylic acid functionalized carbon nanotube

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Adsorption of anionic and cationic dyes from aqueous solution using gelatin-based magnetic nanocomposite beads comprising carboxylic acid functionalized carbon nanotube

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作者：Samaneh Saber-Samandari^a ; ^{samaneh.saber@gmail.com" class="auth_mail" title="E-mail the corresponding author} ; Saeed Saber-Samandari^b ; ^{saeedss@aut.ac.ir" class="auth_mail" title="E-mail the corresponding author} ; Hamed Joneidi-Yekta^b ; Mojdeh Mohseni^b
关键词：Water treatment ; Pollutant ; Aqueous solutions ; Nanocomposite ; Iron oxide ; CNT
刊名：Chemical Engineering Journal
出版年：2017
出版时间：15 January 2017
年：2017
卷：308
期：Complete
页码：1133-1144
全文大小：3607 K

文摘

•: The gelatin-CNT-iron oxide magnetic nanocomposite beads were synthesized.
•: The beads could remove both anionic direct red 80 and cationic methylene blue dyes.
•: The beads with strong magnetic property could be separated using an external magnet.
•: The adsorption experimental data was fit with the pseudo-second-order kinetic model.
•: The endothermic adsorption process is spontaneous and thermodynamically favorable.