摘要
p-Xylene(PX) is an important organic chemi-cal raw material used mainly to produce PTA (purified terephthalic acid) and in turn polyester.Capacity growth lags behindThere are nine major PX producers in China today and their output reached around 3.5 million tons in 2007.The rapid development of China’s polyes-ter industry in the past decade has brought rapid growth of PTA consumption.The
