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:: Volume 1, Number 1 (Summer 2012 2012) ::
Arch Hyg Sci 2012, 1(1): 6-11 Back to browse issues page
Carbon Nanotubes Technology for Removal of Arsenic from Water
Ali Naghizadeh, Ahmad Reza Yari, Hamid Reza Tashauoei *, Mokhtar Mahdavi, Elham Derakhshani, Rahman Rahimi, Pegah Bahmani, Hiva Daraei, Esmaeil Ghahremani
Department of Environmental Health Engineering, School of Public Health, Islamic Azad University- Tehran Medical Branch, Tehran, Iran.
Abstract:   (1456 Views)

 Aims of the Study: This study was aimed to investigate the adsorption mechanism of the arsenic removal from water by using carbon nanotubes in continuous adsorption column. Materials &

Methods: Independent variables including carbon nanotubes dosage, contact time and breakthrough point were carried out to determine the influence of these parameters on the adsorption capacity of the arsenic from water.

Results: Adsorption capacities of single wall and multiwall carbon nanotubes were about 148 mg/g and 95 mg/g respectively. The experimental data were analyzed using Langmuir and Freundlich isotherm models and equilibrium data indicate the best fit obtained with Langmuir isotherm model.

Conclusions: Carbon nanotubes can be considered as a promising adsorbent for the removal of arsenic from large volume of aqueous solutions.

Keywords: Adsorption, Arsenic, Isotherm Models, Langmuir &, amp, amp, amp, Freundlich, Methods, Nanotubes, Carbon, Water Pollution, Chemical
Full-Text [PDF 255 kb]   (316 Downloads)    
Type of Study: Research | Subject: General
Received: 2016/02/13 | Accepted: 2016/02/23 | Published: 2016/02/23
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Naghizadeh A, Yari A R, Tashauoei H R, Mahdavi M, Derakhshani E, Rahimi R, et al . Carbon Nanotubes Technology for Removal of Arsenic from Water. Arch Hyg Sci. 2012; 1 (1) :6-11
URL: http://jhygiene.muq.ac.ir/article-1-2-en.html
Volume 1, Number 1 (Summer 2012 2012) Back to browse issues page
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