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AssigneeResearch Triangle Institute
InventorsDavid C. Dayton, PhD, Maruthi Sreekanth Pavani, John R. Carpenter III, Matthew Von Holle
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A catalyst is described that is useful for catalytic pyrolysis of biomass to produce a pyrolysis product. The catalyst includes (i) matrix material comprising a support and/or binder, and (ii) at least one metal oxide on the matrix material, wherein the metal oxide comprises metal selected from the group consisting of tungsten, chromium, cobalt, molybdenum, nickel, and combinations thereof. Corresponding catalytic pyrolysis processes and catalytic pyrolysis apparatus are disclosed, in which the catalyst enables the production of low oxygen content, stable liquid intermediates that can be refined to make liquid hydrocarbon fuels.
A catalyst useful for catalytic pyrolysis of biomass, said catalyst comprising:
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A catalyst useful for catalyzing pyrolysis of biomass, said catalyst comprising a zirconia support and tungsten oxide on the zirconia support at a tungsten oxide loading of from 10 to 20% by weight, based on total weight of zirconia and tungsten oxide, said catalyst being of particulate form with an average particle size in a range of from 20 to 150 μm, with an acid site loading, as measured by ammonia adsorption, in a range of from 3 to 10 mL of NH3 per gram of catalyst, and wherein Lewis acid and Brønsted acid sites are present on the catalyst at a Lewis to Brønsted infrared band height ratio (cm−1/cm−1) in a range of from 0.1 to 50.
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Dependencies are inferred from the claim text.