Helvio S.A. de Sousa

Nanostructured Ni-containing spinel oxides for the dry reforming of methane: Effect of the presence of cobalt and nickel on the deactivation behaviour of catalysts

Francisco F. de Sousa, Helvio S.A. de Sousa, Alcemira C. Oliveira et al. · International Journal of Hydrogen Energy · 2011 · 137 citations

Natural Sciences, Chemical Engineering, Materials Science +16

Mesoporous catalysts for dry reforming of methane: Correlation between structure and deactivation behaviour of Ni-containing catalysts

Helvio S.A. de Sousa, Antonio N. da Silva, A.J. Ramiro de Castro et al. · International Journal of Hydrogen Energy · 2012 · 68 citations

Natural Sciences, Chemical Engineering, Chemistry +17

Characterisation of high surface area nanocomposites for glycerol transformation: Effect of the presence of silica on the structure and catalytic activity

Francisco de Assis A. Barros, Helvio S.A. de Sousa, Alcemira C. Oliveira et al. · Catalysis Today · 2012 · 20 citations

Natural Sciences, Materials Engineering, Materials Science +16

Ternary composites for glycerol conversion: The influence of structural and textural properties on catalytic activity

Helvio S.A. de Sousa, Francisco de Assis A. Barros, Santiago J.S. Vasconcelos et al. · Applied Catalysis A General · 2011 · 20 citations

Natural Sciences, Materials Engineering, Materials Science +12

Effect of sulfatation on the physicochemical and catalytic properties of molecular sieves

C. Luz‐Lima, Helvio S.A. de Sousa, Santiago J.S. Vasconcelos et al. · Reaction Kinetics Mechanisms and Catalysis · 2011 · 12 citations

Natural Sciences, Chemical Engineering, Chemistry +11