Chemical Engineering Department;
Federal University of Campina Grande;
Catalysis Laboratory(LABNOV);
Campina Grande;
Brazil;
Facultad de Ciencias Quimicas;
UniversidadConcepcion;
Concepcion;
Chile;
Chemical Engineering Department;
Federal University of Sao Carlos;
Catalysis Laboratory(LabCat);
Sao Carlos;
Brazil;