A-15 Ag nanoparticles Al-MCM-41 Al2O3-TiO2 Bacharach opacity CoMo CoMo/Al2O3 CoMoS Cobalt ferrite FAEEs Fe/Nb2O5 immobilized catalyst History of engineering & technology MCM-41 MPI silica Mg/Al mixed oxides Mg/Fe layered double hydroxides MoS2 SAPO-5 Suzuki-Miyaura XPS assessment aldol condensation aminocarbonylation basic additive benzaldehyde benzyl alcohol biodiesel biofuel biofuels biomass valorization boronic esters