Kinetics and Equilibrium of Fe3+ Ions Adsorption on Carbon Nanofibers

被引：1
|
作者：
Alimin [1 ]
Agusu, La [2 ]
Ahmad, L. O. [1 ]
Kadidae, L. O. [1 ]
Ramadhan, L. [1 ]
Nurdin, M. [1 ]
Isdayanti, N. [1 ]
Asria [1 ]
Aprilia, P. M. [1 ]
Hasrudin [1 ]
机构：
[1] Univ Halu Oleo, Dept Chem, Kampus Hijau Bumi Tridharma, Anduonohu Kendari 93232, Indonesia
[2] Univ Halu Oleo, Dept Phys, Kampus Hijau Bumi Tridharma, Anduonohu Kendari 93232, Indonesia
来源：
5TH INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS SCIENCES AND TECHNOLOGY (ICAMST 2017) | 2018年 / 367卷
关键词：
Carbon nanofibers (CNFs); Fe3+ ions; kinetics and nanofiber; ACTIVATED CARBON;
D O I：
10.1088/1757-899X/367/1/012046
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Generally, the interaction between metal ions and adsorbent is governed by many factors including; concentration of metal ions, interaction time and solution pH. In this work, we applied liquid phase adsorption for studying the interaction between Fe3+ ions and Carbon Nanofibers (CNFs) irradiated by ultrasonic waves. Kinetics and isotherms model of the Fe3+ ion adsorption was investigated by varying contact time and pH. We found that the Fe3+ ions were efficiently adsorbed on CNFs for 0.5 h in acidic pH of around 5. In order to obtain the best-fitted isotherms model, Langmuir and Freundlich's isotherms were used in this work. The adsorption equilibrium Fe3+ metal ions on CNFs tend to follow Langmuir. Adsorption kinetics of Fe3+ ions on CNFs were investigated by using both pseudo-first and pseudo-second orders. The adsorption kinetics coincided well with the pseudo-second-order.
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页数：6
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