TY  - JOUR 
T1  - The importance of pre-treatment of spent hydrotreating catalysts on metals recovery
JO  - Química Nova
A1  - Pereira, Alexandre Luiz de Souza
A1  - Silva, Cristiano Nunes da
A1  - Afonso, Júlio Carlos
A1  - Mantovano, José Luiz
SN  - 0100-4042
UL  - 10.1590/S0100-40422011000100027
VL  - 34 
Y1  - 2011
PB  - Brazil 
ER  -