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http://dx.doi.org/10.7464/ksct.2013.19.2.140

Bitumen Emulsion Separation by Chemical Demulsification and Electrical Treatment  

Kim, Sang Kyum (Graduate School of Green Energy Technology, Chungnam National University)
Yoon, Sung Min (Department of Chemical Engineering, Chungnam National University)
Lee, Sang Hun (Department of Chemical Engineering, Chungnam National University)
Bae, Wisup (Department of Energy and Mineral Resources Engineering, Sejong University)
Rhee, Young Woo (Graduate School of Green Energy Technology, Chungnam National University)
Publication Information
Clean Technology / v.19, no.2, 2013 , pp. 140-147 More about this Journal
Abstract
In this study, chemical demulsification and electrical treatment methods were investigated for improving the efficiency of water separation from a water/bitumen emulsion. Two types of motor oils (GS Caltex, Deluxe Gold V 7.5 W/30 and, Hyundai gear oil 85 W/140) were used as model oils in basic experiments to investigate the effects of a demulsifier on water/oil emulsion separation. Chemical demulsifiers showing good water separation performance were then used in asphalt emulsion and bitumen emulsion separation trials. Maleic anhydride and e-caprolactam were shown to be good oil soluble demulsifiers and 2-ethylhexyl acrylate and acrylic acid were effective as water soluble demulsifiers. Based on the results obtained in basic experiments, these four demulsifiers were used in further asphalt emulsion experiments. The oil soluble demulsifiers showed higher water separation efficiencies than the water soluble demulsifiers. To investigate the water separation efficiency using a combined chemical and electrical treatment method, the water/bitumen emulsion was separated with the electrical oil treatment apparatus after a chemical demulsifier had been added to it.
Keywords
Chemical demulsification; Electric treatment; Oil sands; Water separation;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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