Journal of Petroleum Science and Engineering, Volume 109, September
2013, Pages 123–132
Modeling and simulation of asphaltene
precipitation by normal pressure depletion
Noemi Araújo Esquivel da Silva, Victor Rodrigues
da Rocha Oliveira, Gloria Meyberg Nunes Costa,
Programa de Engenharia Industrial – Escola Politécnica – Universidade Federal
da Bahia, Rua Prof. Aristides Novis, 2, Federação, 40210-630 Salvador, Bahia,
Brazil
Abstract
Researchers analyzed a number of variables
affecting asphaltene deposition by normal pressure depletion using the
Hirschberg et al. (1984) model and experimental data from literature. Results
demonstrate that the traditional Hirschberg et al. (1984) model can be applied
successfully with suitable modifications to the oil characterization, the
calculation of oil and the asphaltene solubility parameter.
Authors show that a quantitative representation
of asphaltene deposited due to pressure depletion can be obtained with great
precision with a minimum amount of experimental data.
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