Volume 19, Issue 4 (January 2012)
J Birjand Univ Med Sci. 2012, 19(4): 389-398 |
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Bazrafshan E, Kordmostafapour F, Faridi H, Barikbin B. Application of Moringa Peregrina seed extract as a natural coagulant for Phenol removal from aqueous solution. Journals of Birjand University of Medical Sciences 2012; 19 (4) :389-398
URL: http://journal.bums.ac.ir/article-1-1205-en.html
URL: http://journal.bums.ac.ir/article-1-1205-en.html
1- Member of Health Promotion Research Center, Environmental Health Department, Health School, Zahedan University of Medical Sciences, Iran
2- Member of Health Promotion Research Center, Environmental Health department, Health school, Zahedan University of Medical Sciences, Iran ,ferdos_66@yahoo.com
3- Social determinants of Health Research Center member, Health School, Zahedan University of Medical Sciences, Iran
4- Environmental Health department, Health school, Birjand university of Medical Sciences, Iran
2- Member of Health Promotion Research Center, Environmental Health department, Health school, Zahedan University of Medical Sciences, Iran ,
3- Social determinants of Health Research Center member, Health School, Zahedan University of Medical Sciences, Iran
4- Environmental Health department, Health school, Birjand university of Medical Sciences, Iran
Abstract: (20839 Views)
Background and Aim: Phenol and its derivatives are toxic pollutants, frequently found in surface and tap waters, and in aqueous effluents from various manufacturing processes such as petroleum and petrochemical, coal conversion, synthetic rubber, plastics, paper, oil refineries and phenol-producing industries. In the present study efficacy of Moringa peregrina seed extract in phenol removal was investigated. Materials and Methods: The present research was an experimental one performed in a batch system to find out the efficacy of Moringa peregrina seed extract, as a natural coagulant, in removing phenol from aqueous solutions. To do so, the effects of major operating variables such as coagulant dose (0.05–4 ml/L), initial phenol concentration (5, 10, 20, 50 and 100 mg/l) and pH (3-9) were also investigated. Results: It was found that the optimum pH for phenol removal through coagulation using Moringa peregrina seed extract was 5 with coagulant dose 0.1 ml/L and the highest removal was found to be 94.13%, 95.69%, 98.04%, 98.14% and 99.34% at initial phenol concentration 5, 10, 20, 50 and 100 mg/L respectively, as a result of precipitation, co-precipitation and adsorption mechanisms. Conclusion: According to the obtained results, Moringa peregrina seed extract, with respect to its high efficacy, can be used as an effective, efficient, and inexpensive coagulant in removing phenol from aqueous environments.
Type of Study: Original Article |
Subject:
Environmental Health
Received: 2012/08/24 | Accepted: 2013/01/6 | ePublished: 2016/03/10
Received: 2012/08/24 | Accepted: 2013/01/6 | ePublished: 2016/03/10
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