@article{almeida nt_secchi_2011,  title={Dynamic optimization of a FCC converter unit: numerical analysis},  volume={28},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66322011000100014},  DOI={10.1590/S0104-66322011000100014},  number={1},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  author={Almeida Nt, E. and Secchi, A. R.},  year={2011},  month={Jan},  pages={117–136} }