Abstract
The kinetics of the reaction of carbon with hydrogen containing 0.1% oxygen have been studied over the temperature range 832–1115 K and at pressures of about 200 Torr. The rates of formation of the three main hydrocarbon products, methane, ethylene and ethane, were significantly increased in the presence of oxygen. The main product containing oxygen was water. The minor product, carbon monoxide, was shown to arise through desorption of the strongly-bound oxide complex on the carbon surface. It was concluded that the accelerating effect of oxygen on the hydrogenation process was caused by the influence of the oxide complex on the reactions occurring on the carbon surface.
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