Abstract

The radiolysis of natural gas and associated petroleum gas was studied under circulation conditions, when the stages of gas irradiation continuously alternated with the removal of liquid products and the loss of gaseous components was compensated for by a fresh gas inflow to a constant pressure of 0.13 MPa. The gas flow rate was varied from 250 to 1000 m3/h. It was found that, in this case, the molar mass of natural gas increased, whereas that of associated petroleum gas decreased. As a consequence of exchange processes and the growth of alkyl radicals, the fractional composition of the liquid products of radiolysis and the ratio between isomers in fractions depend on the dose rate and the flow rate of a circulating gas mixture.

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