Effect of Dodecylbenzene Sulfonic Acid on the Behavior of Asphaltene Aggregation in a Solvent Deasphalting System

Lingyu Liu; Kang Seok Go; Nam Sun Nho; Kwang Ho Kim; Young-Woo Rhee

Korean Chemical Engineering Research, Vol.56, No.1, 14-23, February, 2018

DOI10.9713/kcer.2017.56.1.14 Export Citation

Effect of Dodecylbenzene Sulfonic Acid on the Behavior of Asphaltene Aggregation in a Solvent Deasphalting System

Lingyu Liu, Kang Seok Go^{1, †}, Nam Sun Nho¹, Kwang Ho Kim¹, and Young-Woo Rhee^†

Graduate School of Energy Science and Technology, Chungnam National University (CNU), 99 Daehak-ro, Yuseong-gu, Daejeon, 34134, Korea
¹Climate Change Research Division, Korea Institute of Energy Research (KIER), 152 Gajeongro, Yuseong-gu, Daejeon, 34129, Korea

E-mail:,

The effect of dodecylbenzene sulfonic acid (DBSA) with different addition amount of DBSA (MDBSA), temperatures and solvent-to-oil ratio (SOR, v/v) on asphaltene aggregation in a solvent deasphalting system was investigated. Increasing the MDBSA at SOR 10 and 55 oC caused the asphaltene removal ratio (ARR) to increase first, then maximize at 1 wt% of MDBSA and then decrease continuously. Based on the SARA (saturate, aromatic, resin, asphaltene) composition, the adsorption amount of DBSA on the asphaltene surface and the self-aggregation of the DBSA, the reason for the change in ARR with MDBSA was found due to the adsorption mechanism. In addition, the asphaltene-resin- DBSA colloidal size confirmed the change of adsorption behavior between the asphaltene and DBSA. Based on the results of this study, a hypothetical adsorption mechanism of DBSA on asphaltene aggregation in the solvent deasphalting system was conceived of and proposed.

Keywords:Asphaltene removal ratio;Addition amount of DBSA;The level of self-aggregation of DBSA;Asphaltene colloid size;Adsorption mechanism

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[3] Rogel E, Leon O, Energy Fuels, 15(5), 1077 (2001)

[4] Andersen SI, Speight JG, Pet. Sci. Technol., 19(1-2), 1 (2001)

[5] Lee JM, Shin S, Ahn S, Chun JH, Lee KB, Mun S, Jeon SG, Na JG, Nho NS, Fuel Process. Technol., 119, 204 (2014)

[6] Huc AY, Editions Technip, France, 231-256(2011).

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[8] Ahn S, Shin S, Im SI, Lee KB, Nho NS, Korean J. Chem. Eng., 33(1), 265 (2016)

[9] Pan H, Firoozabadi A, AIChE. J., 46, 416 (2000)

[10] Soorghali F, Zolghadr A, Ayatollahi S, Energy Fuels, 29(9), 5487 (2015)

[11] Leon O, Contreras E, Rogel E, Dambakli G, Espidel J, Acevedo S, Energy Fuels, 15(5), 1028 (2001)

[12] Leon O, Rogel E, Urbina A, Andujar A, Lucas A, Langmuir, 15(22), 7653 (1999)

[13] Junior LCR, Ferreira MS, da Silva Ramos AC, J. Pet. Sci. Eng., 51, 26 (2006)

[14] Chang CL, Fogler HS, Langmuir, 10(6), 1749 (1994)

[15] Chang CL, Fogler HS, Langmuir, 10(6), 1758 (1994)

[16] Hashmi SM, Zhong KX, Firoozabadi A, RSC Advances, 8, 8778 (2012)

[17] Goual L, Firoozabadi A, AIChE J., 50(2), 470 (2004)

[18] Wei D, Orlandi E, Simon S, Sjoblom J, J. Therm. Anal. Calorim., 120(3), 1835 (2015)

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[20] Fan TG, Buckley JS, Energy Fuels, 16(6), 1571 (2002)

[21] Fan T, Wang J, Buckley JS, SPE/DOE Improved Oil Recovery Symposium, April, Tulsa, DOI: 10.2118/75228-MS (2002).

[22] Nelson GW, Perry M, He SM, Zechel DL, Horton JH, Colloids Surf. B: Biointerfaces, 78(1), 61 (2010)

[23] Xu XF, Zhang PZ, Coal Conversion, 19(1), 72 (1996)

[24] Li C, Wang JQ, Sui LT, Cui M, Deng WN, Acta Petrol Sin: Pet Process Section, 29(3), 459 (2013)

[25] Wang JQ, Li C, Zhang LL, Que GH, Li ZM, Energy Fuels, 23(7), 2625 (2009)

[26] Abdallah WA, Taylor SD, J. Phys. Chem., 112(48), 48963 (2008)

[27] Ramalho JBVS, Lechuga FC, Lucas EF, Quim. Nova., 33(8), 1664 (2010)

[28] Mansur CRE, de Melo AR, Lucas EF, Energy Fuels, 26(8), 4988 (2012)

[29] Pereira JC, Lopez I, Salas R, Silva F, Fernandez C, Urbina C, Lopez JC, Energy Fuels, 21(3), 1317 (2007)

[30] Pfeiffer J, Saal RNJ, J. Phys. Chem., 44(2), 139 (1940)

[31] Alcazar-Vara LA, Zamudio LS, Buenrostro-Gonzalez E, J. Dispersion Sci. Technol., 37(11), 1544 (2016)

[32] Sun ZH, Li D, Ma HX, Tian PP, Li XK, Li WH, Zhu YH, Fuel Process. Technol., 138, 413 (2015)

[33] Seshadri KS, Young DC, Cronauer DC, Fuel, 64(1), 22 (1985)

[34] Mullins OC, Sheu EY, Hammami A, Marshall AG, Springer, New York, 89-202(2007).

[35] Andersen SI, Christensen SD, Energy Fuels, 14(1), 38 (2000)

[36] Zhang J, Qiu Y, Yu DY, Chin. J. Appl. Chem., 26(12), 1480 (2009)

[37] Somasundaran P, Zhang L, J. Pet. Sci. Eng., 52(1-4), 198 (2006)