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:: Volume 7, Number 5 (winter 2017) ::
j.health 2017, 7(5): 600-610 Back to browse issues page
Investigation of the Efficiency of Electro-Fenton and UV/TiO2 Processes for Para-Chlorophenol Removal from Aqueous Solutions
M Yousefi, F Ghanbari, M.A Zazouli, M Ahmadi Moghaddam, S Akbari
Alborz University of Medical Sciences
Abstract:   (1024 Views)

Background and & Objectives: Chlorophenols are classified as non-biodegradable hazardous materials. Therefore, the purpose of this study was investigation of electro-Fenton and UV/TiO2 processes efficiencies in removal of para-chlorophenol from aqueous solution.

Methods: In this experimental study a cylindrical glass equipped with 2 iron electrodes with total effective surface area of 50 cm2, as a electro-Fenton reactor, and  a quartz cylindrical reactor with a volume of 190 ml equipped with 2 UVA lamps (6watt), as a photocatalysis reactor, were used to remove para-chlorophenol. The operating parameters of electro-Fenton process such as initial para-chlorophenol concentration, pH, H2O2 concentration and current density were investigated. Then obtained effluent was introduced to UV/TiO2 process and operating parameters such as TiO2 dosage and pH were examined.

Results: The results showed that para-chlorophenol removal efficiency of 65% was achieved in pH=3, H2O2=5 mM, current density=3 mA/cm2, and reaction time of 45 min. In combination of electro-Fenton and UV/TiO2 (pH=5.8 and TiO2=1.5 g/L) processes the removal efficiency of 97% was attained.

Conclusion: The results revealed that combination of electro-Fenton and UV/TiO2 processes is an efficient method to remove para-chlorophenol from aqueous solutions.

Keywords: Para-Chlorophenol, Photocatalysis, Aqueous Solutions, Electro-Fenton, UV/TiO2.
Full-Text [PDF 277 kb]   (628 Downloads)    
Type of Study: Research | Subject: General
Received: 2016/12/11 | Accepted: 2016/12/11 | Published: 2016/12/11
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Yousefi M, Ghanbari F, Zazouli M, Ahmadi Moghaddam M, Akbari S. Investigation of the Efficiency of Electro-Fenton and UV/TiO2 Processes for Para-Chlorophenol Removal from Aqueous Solutions . j.health. 2017; 7 (5) :600-610
URL: http://healthjournal.arums.ac.ir/article-1-1091-en.html
Volume 7, Number 5 (winter 2017) Back to browse issues page
مجله سلامت و بهداشت Journal of Health
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