Volume 12, Number 4 (3-2014)                   TB 2014, 12(4): 84-95 | Back to browse issues page

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Ehrampoush M, , Aamin M, Pourzamani H, GHaneian M, Pezeshki M. Benzene removal by hybrid multi walled carbon nano tubes modified surface by calcium hypochlorite and nano-silica from aqueous solution. TB. 2014; 12 (4) :84-95
URL: http://tbj.ssu.ac.ir/article-1-1718-en.html

Ph.D Shahid Sadoughi University of Medical Sciences,Yazd, Iran.
Abstract:   (470 Views)
Introduction: Benzene is a volatile compound in petroleum products and a major concern is its carcinogenic effects. The purpose of this study was to survey benzene removal ability of multi-walled carbon nano tubes by surface modified with calcium hypochlorite and sodium hypochlorite from aqueous solution. Methods:The removal of benzene was evaluated by aqueous solution by hybrid multi-walled carbon nano tubes modified surface by calcium hypochlorite, and nano-silica, and multi walled carbon nano tubes(MWCNT) and its modified surface by calcium hypochlorite (MWCNT(Ca(OCl)2)) and nano-silica. Synthetic samples were analyzed by GC. Conclusion: In this study, nano materials dose of 0.5 g/l, contact time (1hr and 2hr) with benzene concentration of 100 mg/l , and pH 7 were chosen. The equilibrium amount (qe) and removal efficiency (R) for benzene were 192.46 mg/g and 96.23% respectively, with HCNT higher than (MWCNT(Ca(OCl)2)) (qe =188.58R=%94.92) nano-silica.(qe =182.6R=%91.3) Conclusion: The HCNT can effectively adsorb benzene from water and can thus be used as efficient adsorbents to purify waters and wastewaters pollutants by petrochemicals
Full-Text [PDF 299 kb]   (155 Downloads)    
Type of Study: Research | Subject: Special
Received: 2015/10/11 | Accepted: 2015/10/11 | Published: 2015/10/11

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