TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Method: The low oxygen biomass-derived pyrolysis oil is derived from carbonaceous biomass feedstock pyrolyzed in a pyrolysis reactor. The step (a) comprises: using a heat transfer medium comprising the noble metal-based catalysts, the base metal-based catalysts, the treated zeolitic catalysts, and/or inert solids; pyrolyzing the carbonaceous biomass feedstock in the presence of the catalyst using a catalyst-to-carbonaceous biomass feedstock ratio of 0.1-10; pyrolyzing the carbonaceous biomass feedstock in contact with a noble metal-based catalyst supported on a support material, where the noble metal-based catalyst comprises ruthenium-based catalysts, rhodium-based catalysts, palladium-based catalysts, osmium-based catalysts, iridium-based catalysts, platinum-based catalysts, silver-based catalysts, and/or gold-based catalysts; pyrolyzing the carbonaceous biomass feedstock in the presence of the noble metal-based catalyst containing 0.01-10 wt.% of noble metal, based on the support material; pyrolyzing the carbonaceous biomass feedstock in contact with the noble metal-based catalyst supported on the support material, where the support material for the ruthenium-based catalysts, the rhodium-based catalysts, the osmium-based catalysts, the iridium-based catalysts, the silver-based catalysts, and/or the gold-based catalysts comprises a metal oxide comprising alumina, silica, silica-alumina, titania, magnesia, and/or zirconia, a metal carbide, a metal nitride, a metal sulfide, carbon, and/or a zeolite, and the support material for the palladium-based catalysts and the platinum-based catalysts comprises carbon, a metal oxide comprising silica-alumina, titania, magnesia, and zirconia, a metal carbide, a metal nitride, a metal sulfide, and/or a zeolite; pyrolyzing the carbonaceous biomass feedstock in contact with the noble metal-based catalyst supported on zeolites comprising LTA, FAU, MOR, MFI, and/or BEA; pyrolyzing the carbonaceous biomass feedstock in the presence of a base metal-based catalyst supported on a support material, where the base metal comprises tungsten, molybdenum, rhenium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, and/or zinc, and the support material comprises a metal oxide comprising alumina, silica-alumina, silica, zirconia, magnesia, and titania, carbon, and the zeolite; and pyrolyzing the carbonaceous biomass feedstock in the presence of a base metal-based catalyst having a modifier element in combination with the base metal, where the modifier element comprises tin, sulfur, germanium, phosphorus, sodium, potassium, lithium, calcium, lanthanide and actinide elements including cerium and lanthanum, and/or noble metals. The step (a1) comprises providing the catalyst in a fluidized state and maintaining the catalyst at a temperature suitable for pyrolysis to pyrolyze the carbonaceous biomass feedstock. The step (b1) comprises: contacting the carbonaceous biomass feedstock using a catalyst-to-carbonaceous biomass feedstock ratio of 0.1-10; contacting the carbonaceous biomass feedstock with the noble metal based catalyst containing 0.01-10 wt.% of noble metal, based on the support material; contacting the carbonaceous biomass feedstock with the noble metal-based catalyst supported on a support material; contacting the carbonaceous biomass feedstock with the base metal based catalyst; and contacting the metal based catalyst having the modifier element in combination with the base metal. The step (C) comprises: contacting the pyrolysis gases with the noble metal-based catalyst supported on a low coke-forming support material; and converting the oxygenated hydrocarbons into hydrocarbons comprising aromatic hydrocarbons and non-aromatic hydrocarbons. EXAMPLE - No suitable example given.