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Direct partial oxidation of methane to methanol was investigated in a specially designed reactor.Methanol yield of about 7%-8% was obtained in gas phase partial oxidation.It was proposed that the reactor could be divided into three reaction zones,namely pre-reaction zone,fierce reaction zone,and post-reaction zone,when the temperature was high enough to initiate a reaction.The oxidation of methane proceeded and was completed mostly in the fierce reaction zone.When the reactant mixture entered the post-reaction zone,only a small amount of produced methanol would bring about secondary reactions,because molecular oxygen had been exhausted in the fierce reaction zone.A catalyst,if necessary,should be placed either in the pre-reaction zone,to initiate a partial oxidation reaction at a lower temperature,or in the fierce reaction zone to control the homogeneous free radical reaction.
Direct partial oxidation of methane to methanol was investigated in a specially designed reactor. Methanol yield of about 7% -8% was obtained in gas phase partial oxidation. It was was that the reactor could be divided into three reaction zones, namely pre-reaction zone, fierce reaction zone, and post-reaction zone, when the temperature was high enough to initiate a oxidation. the oxidation of methane proceeded and was completed mostly in the fierce reaction zone .When the reactant mixture entered the post-reaction zone, only a small amount of produced methanol would bring about a secondary reaction, because molecular oxygen had been exhausted in the fierce reaction zone. A catalyst, if necessary, should be placed either in the pre-reaction zone, to a lower oxidation reaction at a lower temperature, or in the fierce reaction zone to control the homogeneous free radical reaction.