G. Vazquez, J. Gonzalez-Alvarez, M. Freire, M. Calvo, G. Antorrena, ALKALI PRE-EXTRACTED CHESTNUT SHELL AS A NATURAL ADSORBENT: OPTIMIZATION OF PHENOL REMOVAL, Chemical Engineering Transactions. 17 (2009) 251-256. doi:10.3303/CET0917043.