NOTE: Laboratory Studies of Catalysis of CO to Organics on Grain Analogs

Details NOTE: Laboratory Studies of Catalysis of CO to Organics on Grain Analogs NOTE: Laboratory Studies of Catalysis of CO to Organics on Grain Analogs

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000icar..145..297f&link_type=abstract

Icarus, Volume 145, Issue Icarus, pp. 297-300.

Astronomy and Astrophysics

Astrophysics

12

Scientific paper

Experiments simulating heterogeneous conversion of H2 and CO into simple hydrocarbons in astrophysical environments have been performed, utilizing realistic cosmic grain analogs of Fe-doped silicates as Fischer-Tropsch-Type catalysts. Catalysis was studied for temperatures from 470-670 K and reactant gas mixtures of H2/CO with a ratio of 2-100. The total gas pressure was near 0.5 bar. Maximum conversion rates of a few percentage points were achieved over a 3-h time period. Major products were methane, ethane, ethylene, carbon dioxide, and water. Products were identified by IR spectroscopy.

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