title: Sustainable production of green feed from carbon dioxide and hydrogen.
abstract: Carbon dioxide hydrogenation to form hydrocarbons was conducted on two iron-based catalysts, prepared according to procedures described in the literature, and on a new iron spinel catalyst. The CO2 conversion measured in a packed-bed reactor was limited to about 60% because of excessive amounts of water produced in this process. Switching to a system of three packed-bed reactors in series with interim removal of water and condensed hydrocarbons increased CO2 conversion to as much as 89%. The pure spinel catalyst displayed a significantly higher activity and selectivity than those of the other iron catalysts. This process produces a product called green feed, which is similar in composition to the product of a high-temperature, iron-based Fischer–Tropsch process from syngas. The green feed can be readily converted into renewable fuels by well-established technologies.
authors.forename: Miron V
authors.initials: MV
authors.lastname: Landau
authors.forename: Roxana
authors.initials: R
authors.lastname: Vidruk
authors.forename: Moti
authors.initials: M
authors.lastname: Herskowitz
mesh_terms: D000535:Aluminum / Q000737:chemistry; D002245:Carbon Dioxide / Q000737:chemistry*; D002384:Catalysis; D005290:Ferric Compounds / Q000737:chemistry; D055772:Green Chemistry Technology; D006838:Hydrocarbons / Q000737:chemistry*; D006859:Hydrogen / Q000737:chemistry*; D006865:Hydrogenation; D014867:Water / Q000737:chemistry
chemical_list: D005290:Ferric Compounds; D006838:Hydrocarbons; D014867:Water; D002245:Carbon Dioxide; C000499:ferric oxide; D006859:Hydrogen; D000535:Aluminum