@article{carneiro_mendes_coelho_2004,  title={Desorption of toluene from modified clays using supercritical carbon dioxide},  volume={21},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66322004000400013},  DOI={10.1590/S0104-66322004000400013},  number={4},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  author={Carneiro, D. G. P. and Mendes, M. F. and Coelho, G. L. V.},  year={2004},  month={Oct},  pages={641–646} }