@article{orlando jr._medina_mendes_nicolaiewsky_2009,  title={HETP evaluation of structured packing distillation column},  volume={26},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66322009000300017},  DOI={10.1590/S0104-66322009000300017},  number={3},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  author={Orlando Jr., A. E. and Medina, L. C. and Mendes, M. F. and Nicolaiewsky, E. M. A.},  year={2009},  month={Jul},  pages={619–633} }