Catalytic gasification Active intermediates 1 Atmospheric temperature 1 Biomass 1 Carbon dioxide 1 Carbonation 1 Catalysis 1 Catalyst selectivity 1 Catalyst supports 1 Catalytic performance 1 Catalytic precursor 1 Catalytic precursors 1 Catalytic reactions 1 Coal 1 Coal char 1 Coal chars 1 Coal gasification 1 Copper oxides 1 Gasification 1 Gasification process 1 Graphite 1 High thermal stability 1 Hydrogen 1 Hydrogen production 1 Interaction mechanisms 1 K2CO3-carbon interaction 1 Magnesia 1 Metal supported catalysts 1 Nickel compounds 1 Oil palm frond 1