Open AccessTransition metals supported on al-pilcs as catalysts for C6H5Cl oxidation
Author(s) -
Luiz C.A. Oliveira,
Rochel M. Lago,
José Domingos Fabris,
Carmen Quintana del Solar,
Karim Sapag
Publication year - 2003
Publication title -
brazilian journal of chemical engineering/brazilian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.313
H-Index - 52
eISSN - 1678-4383
pISSN - 0104-6632
DOI - 10.1590/s0104-66322003000100009
Subject(s) - chlorobenzene , catalysis , montmorillonite , transition metal , aluminium , adsorption , inorganic chemistry , nitrogen , chemistry , materials science , nuclear chemistry , chemical engineering , organic chemistry , engineering
In the present work, clays pillared with aluminium and impregnated with transition metals (Fe, Co and Cr) were prepared, characterised and studied as catalysts in the oxidation of chlorobenzene. The pillared clay was synthesised using a natural montmorillonite from San Juan (Argentina) as the starting material and an aluminium polycation solution. The catalysts were prepared by impregnating the pillared clay and then calcinating at 500ºC. The catalysts were characterised by XRD, temperature-programmed reduction (TPR) and nitrogen adsorption isotherms. The samples were tested in the deep oxidation of chlorobenzene in some cases reaching more than 90% of total conversion