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:: Volume 5, Issue 1 (spring 2014) ::
j.health 2014, 5(1): 36-44 Back to browse issues page
Comparison between Single and Multi Wall Carbon Nanotubes in Removal of Arsenic from Aqueous Solution
Ali Naghizadeh , Elham Derakhshani, Allahbakhsh Javid
Department of Environmental Health Engineering, School of Public Health, Birjand University of Medical Sciences
Abstract:   (11479 Views)
Background & Objectives: Presence of arsenic in water sources results in different health problems including skin problems, cancer, and hypertension.  This study was aimed to investigate the amount of arsenic removal from aqueous solution using carbon nanotubes in a continuous adsorption column.

Methods: This was an applicable study and compares pre- and post-conditions. The influence of independent variables including dosage of carbon nanotubes, contact time, and breakthrough point on capacity of arsenic adsorption were studied.

Results: Adsorption capacities of single wall and multiwall carbon nanotubes were about 148 and 95 mg/g, respectively. The experimental data were analyzed using Langmuir and Freundlich isotherm models and equilibrium data indicate that Langmuir isotherm model to fit best for describing arsenic adsorption behavior on carbon nanotubes.

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

Keywords: Adsorption Comparison Arsenic Carbon Nanotubes
Keywords: Adsorption Comparison, Arsenic, Carbon Nanotubes
Full-Text [PDF 186 kb]   (2956 Downloads)    
Type of Study: Research | Subject: Special
Received: 2014/01/21 | Accepted: 2014/01/21 | Published: 2014/01/21
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Naghizadeh A, Derakhshani E, Javid A. Comparison between Single and Multi Wall Carbon Nanotubes in Removal of Arsenic from Aqueous Solution. j.health. 2014; 5 (1) :36-44
URL: http://healthjournal.arums.ac.ir/article-1-25-en.html

Volume 5, Issue 1 (spring 2014) Back to browse issues page
مجله سلامت و بهداشت Journal of Health
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