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:: Volume 2, Issue 4 (6-2015) ::
jehe 2015, 2(4): 259-269 Back to browse issues page
Application of Heterognous Fenton Process Using Zero-Valent Iron Nanoparticles in Dimethylphthalate Removal from Aqueous Solutions
Ali Reza Rahmani , Mohammad Taghi Samadi , Reza Shokoohi , Hassan Zolghadr Nasab *
Abstract:   (4599 Views)

Background and purpose: Stability and sustainable [s1] of emerging synthetic compounds such as Dimethyl phthalate lead to increasing their concentrations in environment and food chain and health risks. Therefore, researchers are concern to achieve effective and efficient methods for removal these pollutions. This aim of this study was to evaluation of the efficiency of heterognous Fenton using Zero-valent iron nanoparticles in dimethylphthalate removal from aqueous solutions.

Materials and Methods: This experimental study was conducted in laboratory scale in batch reactor. The effects of operational parameters such as reaction time (15 to 120 min), pH (2 to10), H2O2 concentrations (0.01 to 1 mmol/L), nZVI dose (0.01 to 0.5 mg/L) and initial concentrations of Dimethyl phthalate (2 – 50 mg /L) determined by one at a time method. Then effect of each heterogeneous Fenton regent was determined in dimethyl phthalate removal.

Results: The results showed that maximum efficiency of heterognous Fenton process in dimethylphthalate removal occur at pH=4. Also at H2O2 concentration 0.1 mmol/L, nZVI dose 0.05 g/L, Dimethyl phthalate concentration 2 mg/L and reaction time 120 minute, amount of Dimethyl phthalate removal was 92.8%.

Conclusion: According to the results, nZVI- heterognous Fenton process has appropriate efficiency in Dimethyl phthalate removal from aquatic solutions and can be assumed as an effective and applied method for removal similar compounds from industrial wastewater.

Keywords: Dimethyl phthalate, heterogeneous Fenton, zero-valent iron Nanoparticles, aqueous solutions
Full-Text [PDF 912 kb]   (1486 Downloads)    
Type of Study: Research | Subject: Special
Received: 2016/03/6 | Accepted: 2016/03/6 | Published: 2016/03/6
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Rahmani A R, Samadi M T, Shokoohi R, Zolghadr Nasab H. Application of Heterognous Fenton Process Using Zero-Valent Iron Nanoparticles in Dimethylphthalate Removal from Aqueous Solutions. jehe 2015; 2 (4) :259-269
URL: http://jehe.abzums.ac.ir/article-1-188-en.html


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Volume 2, Issue 4 (6-2015) Back to browse issues page
مجله مهندسی بهداشت محیط Journal of Environmental Health Enginering
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