Oxidation of Methane to Methanol by Hydrogen Peroxide
on a Supported Hematin Catalyst

T. M. Nagiev and M. T. Abbasova

Nagiev Institute of Theoretical Problems of Chemical Technology, Academy of Sciences of Azerbaijan, Baku, Azerbaijan

Received June 10, 1996

Abstract—The production of methanol from methane by the monooxygenase reaction catalyzed by hematin
as a mimic of cytochrome P-450 was studied at a relatively low temperature and atmospheric pressure. Of iron
protoporphyrin catalysts on different supports (Al₂O₃, zeolite NaX, and chromium- and magnesium-containing
aluminosilicates), the PPFe³⁺OH/AlSiMg catalyst exhibited the highest activity in methane hydroxylation.
Under optimal conditions, the catalyst showed the highest hydroxylating activity during the first 30 min of func-
tioning (the yield of methanol exceeded 60 wt %, and the selectivity was close to 97 wt %). In more than 5 h,
the catalyst was completely deactivated.

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