New contact system in crude oil desalting process
Abstract
The effect of the ICP contactor and the mixture valve on the desalting process was evaluated as a contact system in the crude oil washing process. The evaluation was carried out in the two desalters at the Cartagena Refinery (GRC) and a desalter at the Barrancabermeja Refinery (GCB) of ECOPETROL. The pressure drop was measured and the efficiency of the desalting processes, dehydration and hydrocarbon crude intake in the water was calculated based on the BS&W measurement, salt content and hydrocarbon concentration in the water. Results showed that the contactor improved desalting, water in the crude oil was reduced and crude carry-over in the wastewater was reduced between 50 and 92% at the Barrancabermeja Refinery, and between 40 and 95% at the Cartagena Refinery, which mean savings of approximately US$ 373.000 dollars per year at both refineries, due to the fact that less water is loaded into the process. Furthermore, hydrocarbon loss in wastewater was reduced by about 3650 barrels per year. The pressure drop was reduced between 88 and 94 % in relation to the mixing valve.
References
Berkman, P. D. and Calabrese, R.V., 1988. "Dispersion of Viscous Liquids by Turbulent Flow in a Static Mixer", Aiche Journal, 34 (4): 602 - 609. https://doi.org/10.1002/aic.690340409
Bourne, J.R., Lenzner, J. and Petrozzi, S., 1992. "Micromixing in Static Mixers: An Experimental Study", Ind. Eng Chem., 31(4): 1216-1222. https://doi.org/10.1021/ie00004a037
Faroui, A., Hakenholz, F., Le Sauze, N., Costes, J. and Bertrand, J., 1998. "Determination of the Mixing Performance of Sulzer SMV Static Mixers by Laser Induced Fluorescence", The Canadian Journal of Chemical Engineering, 76: 522 - 526. https://doi.org/10.1002/cjce.5450760324
Forero, J., Diaz, J., Duque, J., 2000. "Diseño y evaluación de sistemas de contacto para aplicaciones de transferencia de masa en procesos de contacto líquido-líquido" Informe técnico Ecopetrol - ICP.
Koiranen, T., Kraslawski, A. and Nyström, L., 1994. "Knowledge -Based System for Mixing Type Selection", Ind. Chem. Res, 33:1756-1764. https://doi.org/10.1021/ie00031a014
Lang, E. and Dritina, P., 1995. "Numerical Simulation of the Fluid Flow and the Mixing Process in a Static Mixer", Int. J. Heat Mass Transfer., 38 (12): 2239 - 2250. https://doi.org/10.1016/0017-9310(94)00351-U
Nauman, E.B., 1982. "Reactions and Residence Time Distributions in Motionless Mixers", The Canadian Journal of Chemical Engineering, 60: 136 -140. https://doi.org/10.1002/cjce.5450600123
Pressdee, B., 1992. "A Dynamic Approach to Static Mixing", CIM Supplement- Process Engineering, Sep, 73: 79.
Scheider, G, 1983. "Contactores estáticos en la industria petrolífera". Revista Técnica Sulzer.
Xiaodong, Y, 2000. "Gas Oil Desalting Reduces Chlorides in Crude". Oil and Gas Journal, 98 (42): 76-78.
Yang, J. and Odedra, D., 1997. "Effect of Using Static Mixers on Gas-Liquid Mass Transfer", Aiche - Annual Meeting Session 148.
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