Catalytic Hot-Gas Filtration of Biomass Pyrolysis Vapors

Kimberly Magrini (Inventor), Braden Peterson (Inventor), Chaiwat Engtrakul (Inventor), Nolan Wilson (Inventor)

Research output: Patent


The present disclosure relates to a device that includes a filter element and a catalyst, where the filter element is configured to remove particulate from a stream that includes at least one of a gas and/or a vapor to form a filtered stream of the gas and/or the vapor, the catalyst is configured to receive the filtered stream and react a compound in the filtered stream to form an upgraded stream of the gas and/or the vapor, further including an upgraded compound, and both the filter element and the catalyst are configured to be substantially stable at temperatures up to about 500° C.
Original languageAmerican English
Patent number11,459,509 B2
Filing date4/10/22
StatePublished - 2022

NREL Publication Number

  • NREL/PT-5100-84304


  • catalytic hot-gas filter (CHGF)
  • filter element
  • filtered stream
  • heteropolyacid


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