Volume 16, Issue 1 (Pajouhan Scientific Journal, Autumn 2017)                   psj 2017, 16(1): 1-9 | Back to browse issues page


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Seidmohammadi A, Asgari G, Kamari M. Removal of phenol in aqueous solutions using UV activated periodate process. psj. 2017; 16 (1) :1-9
URL: http://psj.umsha.ac.ir/article-1-304-en.html
1- Department of Environmental Health Engineering, School of Health, Hamadan University of Medical Sciences, Hamadan, Iran.
2- Department of Environmental Health Engineering, School of Health, Hamadan University of Medical Sciences, Hamadan, Iran. , asgari@umsha.ac.ir
3- Student Research Center, Hamadan University of Medical Sciences, Hamadan, Iran.
Abstract:   (2902 Views)

Background and Objectives: Phenol is extensively used in various industries and it is mainly discharged to the  enviroment from their effluents.  In this study, the effectivness of UV activated periodate for removal of phenol in aqueous solutions was investigated.
Materials and Methods: In this research,experimens were conducted in a bench scale stainless steel reactor equipped with a 55W Hg vapor lamp.  The effects of operational parameters such as solution pH (3-10), initial phenol concentration (50-500 mg/L), periodate concentration (8-100 mmol/L) were evaluated. Further, ionic strengh was changed to study its impact on the performance. The final concentration of phenol and mineralization rate were determined using DR-6000 spectrophotometer (at thewavelenght of 500 nm) and COD analysis, respectively.
Results:The findings indicated that the removal of  phenol was influenced by different operational parameters. The highest removal rate was obtained at acidic conditions (pH=3),  initial periodate concentration of  20  mmol/Land  contact time of 60 min, which more than 99.1% of phenol was removed under these optimal conditions. Also,the results showed that maximum COD removal rate was 69% in optimum conditions. It was found that different ionic strengths did not affect the phenol removal rate.
Conclusions:The results indicated that UV activated persulfate process in optimal condition can be used as an alternative technology for treatment of various industrial wastewaters containing phenol.

Full-Text [PDF 849 kb]   (848 Downloads)    
Type of Study: Research Article | Subject: Health Sciences
Received: 2017/01/7 | Accepted: 2017/03/5 | Published: 2017/10/28

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