A gas chromatography-flame ionization detection procedure was developed for the analysis of individual hydrocarbon in a gaseous mixture resulting from the pyrolysis of a coal sample from Makerwal coaltields in Pakistan. The observed hydrocarbons were methane, ethene, ethane, propane, l-butene, n-butane, l-pentene, n-pentane, benzene, toluene and xylene. Total hydrocarbons yield is found to be characteristic of each sample indicating the structural and compositional variation. Such data rmy be useful for developing commercial coal conversion processes.
T AHMAD ,G NAZ ,J NISAR ,I A AWAN ,
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