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بیست و نهمین کنفرانس شیمی آلی ایران
Magnetically responsive graphene oxide and multi-wall carbon nanotubes as demulsifier for oil removal from crude oil-in-water emulsion
نویسندگان :
Behnaz Havakhah Hallaj ( دانشگاه حکیم سبزواری ) , Behrooz Maleki ( دانشگاه مازندران ) , Hamid Reza Ezatpour ( دانشگاه حکیم سبزواری ) , Fariba Gafari soghieh ( دانشگاه حکیم سبزواری )
کلید واژه ها :
Emulsion،Demulsifier،Asphaltene،Carbon nanotubes،Grafen oxide،Magnetic
چکیده مقاله :
Large oil spills and crude oil-in-water (O/W) emulsion discharges from industrial activities have serious impacts on the environment with potentially major economic impacts [1, 2]. A magnetically responsive mixture frommulti-walled carbon nanotubes and grafen oxide (M-MWCNT-GO) appropriate for acidic to alkaline conditions of crude O/W emulsion was designed and prepared via regulating the content of surface functional groups (such as -NH2, -OH and -COOH). The M-MWCNT-GO was confirmed as an efficient demulsifier and the corresponding demulsification efficiency achieved the highest when its dosage was increased to 300 mg/L. Significantly, the M-MWCNT-GO has superior demulsification performance under wide pH levels(Scheme)
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