Comparative Study on The Photocatalytic Hydrogen Production from Methanol over Cu-, Pd-, Co- and Au-Loaded TiO2P.P.C. Udani and M. RønningOil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 70 5 (2015) 831-839DOI: https://doi.org/10.2516/ogst/2015025