More specifically, the present invention relates to a process for cracking hydrocarbons to produce olefinic gases using {HEAD ~ improved reactor furnace tubes}, such as by reducing {TAIL ~ the catalytic coking} that occurs with the use of conventional tubes, and at the same time, significantly improving product yields 
More specifically , the present invention relates to a process for cracking hydrocarbons to produce olefinic gases using { HEAD ~ improved reactor furnace tubes } , such as by reducing { TAIL ~ the catalytic coking } that occurs with the use of conventional tubes , and at the same time , significantly improving product yields
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