Acid-base bifunctional catalysts Activated carbon Binary alloys Biomass Carboxylation Catalysis Catalyst selectivity Catalyst supports Catalysts Catalytic gasification Catalytic performance Catalytic reactions Cerium alloys Copper oxides Deoxygenation reactions Gasification Green-fuel production Hydrocarbon yield Hydrocarbons Hydrogen Hydrogen production Iron alloys Lanthanum Magnesia Manganese alloys Metal supported catalysts Nickel Nickel based catalysts Nickel compounds Oil palm frond