Oil-in-water Pickering emulsions stabilized with functionalized multi-walled carbon nanotube/silica nanohybrids in the presence of high concentrations of cations in water

Amir Hossein Bornaee; Mehrdad Manteghian; Alimorad Rashidi; Mahshad Alaei; Mahshid Ershadi

Journal of Industrial and Engineering Chemistry, Vol.20, No.4, 1720-1726, July, 2014

DOI10.1016/j.jiec.2013.08.022 Export Citation

Oil-in-water Pickering emulsions stabilized with functionalized multi-walled carbon nanotube/silica nanohybrids in the presence of high concentrations of cations in water

Amir Hossein Bornaee, Mehrdad Manteghian^†, Alimorad Rashidi¹, Mahshad Alaei¹, and Mahshid Ershadi²

Department of Chemical Engineering, Tarbiat Modares University, Jalal Ale Ahmad Highway, P.O. Box 14115-111, Tehran, Iran
¹Catalysis and Nanotechnology Research Division, Research Institute of Petroleum Industry (RIPI), P.O. Box 14665-1998, Tehran, Iran
²Department of Chemistry, University of Zanjan, P.O. Box 45195-313, Zanjan, Iran

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Functionalized multi-walled carbon nanotube (MWCNT)/silica nanohybrid was synthesized and proposed as a stabilizer for oil-in-water Pickering emulsion. Carbon nanotube-to-silica weight ratio was a decisive factor influencing the performance of the synthesized nanohybrid. The results showed an appropriate value of such a ratio for a sol-gel synthesized nanohybrid structure was 28-33%. The emulsion formation time was dictated by the adopted mixing strategy such that without any mixing or ultrasonication it took 12 days for stabilization to be established. Conversely, the use of ultrasonication accompanied by mechanical mixing reduced this time to less than 4 h. Another key factor pertained to the type of the cation contained in water. Bivalent cations, such as magnesium and calcium, changed the hydrophilic-lipophilic balance more intensely than the sodium univalent cation. The nanohybrid holds a great promise to be adopted in enhanced oil recovery (EOR) processes as it does not require any emulsifier and mechanical treatment.

Keywords:Pickering emulsion;Nanohybrid;Enhanced oil recovery;Silica;Carbon nanotube

[References]

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Shokrlu YH, Maham Y, Tan X, Babadagli T, Gray M, Fuel, 105, 397 (2013)
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[Referenced By]

[1] Feng CY, Kong Y, Jiang GC, Yang JR, Pu CS, Zhang YZ, Appl. Surf. Sci., 258(18), 7075 (2012)

[2] Jinfeng L, Lijun M, Bozhong M, Rulin L, Fangtian N, Jiaxi Z, J. Pet. Sci. Eng., 48, 265 (2005)

[3] Babadagli T, J. Pet. Sci. Eng., 37, 25 (2003)

[4] Dong MZ, Ma SZ, Liu Q, Fuel, 88(6), 1049 (2009)

[5] Zolfaghari R, Katbab AA, Nabavizadeh J, Tabasi RY, Nejad MH, J. Appl. Polym. Sci., 100(3), 2096 (2006)

[6] Chuan KY, Yao WG, Yi W, Eur. Polym. J., 44, 2448 (2008)

[7] Xu QY, Nakajima M, Binks BP, Colloids Surf. A: Physicochem. Eng. Asp., 262, 94 (2005)

[8] Shen M, Resasco DE, Langmuir, 25(18), 10843 (2009)

[9] Gutierrez JM, Gonzalez C, Maestro A, Sole I, Pey CM, Nolla J, Curr. Opin. Colloid Interface Sci., 13, 245 (2008)

[10] Fan H, Resasco DE, Striolo A, Langmuir, 27(9), 5264 (2011)

[11] Faria J, Ruiz MP, Resasco DE, Adv. Synth. Catal., 352, 2359 (2010)

[12] Ruiz MP, Faria J, Shen M, Drexler S, Prasomsri T, Resasco DE, ChemSusChem, 4, 964 (2011)

[13] Le NYT, Pham DK, Le KH, Nguyen PT, Adv. Nat. Sci.: Nanosci. Nanotechnol, 2, 1 (2011)

[14] Fu ZS, Liu M, Xu JT, Wang Q, Fan ZQ, Fuel, 89(10), 2838 (2010)

[15] Shokrlu YH, Maham Y, Tan X, Babadagli T, Gray M, Fuel, 105, 397 (2013)

[16] Frelichowska J, Bolzinger MA, Chevalier Y, Colloids Surf. A: Physicochem. Eng. Asp., 343, 70 (2009)

[17] Kitiyanan B, Alvarez WE, Harwell JH, Resasco DE, Chem. Phys. Lett., 317(3-5), 497 (2000)

[18] Nakahira A, Hamada T, Yamauchi Y, Mater. Lett., 64, 2053 (2010)

[19] Dorcheh AS, Abbasi MH, J. Mater. Process. Technol., 199, 10 (2008)

[20] Knipping J, Wiggers H, Rellinghaus B, Roth P, Konjhodzic D, Meier C, J. Nanosci. Nanotechnol., 4, 1039 (2004)

[21] Shen GZ, Bando Y, Golberg D, J. Phys. Chem. B, 110(46), 23170 (2006)

[22] Zhang HF, Wang CM, Buck EC, Wang LS, Nano Lett., 3, 577 (2003)

[23] Chrusciel J, Slusarski L, Mater. Sci., 21, 461 (2003)

[24] Rashidi AM, Horri BA, Mohajeri A, Sadraei S, Jozani KJ, Nakhaeipor A, United States patent 20080274277, 2008.