Development of correlation for extension of the true boiling point (TBP) and molar mass

Melina S. LopesScience and Technology Institute, Federal University of Alfenas (ICT/UNIFAL), Poços de Caldas, Minas Gerais, BrazilCorrespondence[email protected]

Erica R. L. da Rocha WatanabeFederal Technological University of Paraná, Ponta Grossa, Paraná, Brazil

Laura P. TovarFederal University of Santa Maria, Santa Maria, Rio Grande do Sul, Brazil

Milena Savioli LopesLaboratory of Optimization, Design and Advanced Control (LOPCA), School of Chemical Engineering, UNICAMP, Campinas, São Paulo, Brazil

Letícia dos Reis DarcieScience and Technology Institute, Federal University of Alfenas (ICT/UNIFAL), Poços de Caldas, Minas Gerais, Brazil

Emília Savioli LopesLaboratory of Optimization, Design and Advanced Control (LOPCA), School of Chemical Engineering, UNICAMP, Campinas, São Paulo, Brazil

Rubens Maciel FilhoLaboratory of Optimization, Design and Advanced Control (LOPCA), School of Chemical Engineering, UNICAMP, Campinas, São Paulo, Brazil

Maria Regina Wolf MacielLaboratory of Optimization, Design and Advanced Control (LOPCA), School of Chemical Engineering, UNICAMP, Campinas, São Paulo, Brazil

Lilian Carmen MedinaCenter of Research and Development (CENPES/PDEDS), PETROBRAS S.A., Rio de Janeiro, Rio de Janeiro, Brazil

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ABSTRACT

The true boiling point curve (TBP) is an important tool for the petroleum industry; it is used to obtain the behavior of petroleum during distillation. This work developed a correlation for the extension of the TBP curve by means of molecular distillation. TBP curve is well established for a temperature of 565°C in a conventional distillation. With the correlation developed, it is possible to reach values near 1,000°C. A second correlation was also developed for predicting the values of molar mass of waste petroleum. Both correlations demonstrated to be valid and represent a great advancement for the petroleum industry.

KEYWORDS:

Acknowledgments

The authors are grateful to FAPESP and PETROBRAS/CENPES for financial supporting this project.

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Development of correlation for extension of the true boiling point (TBP) and molar mass

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