2015年中国PX的表观消费量达到2 035万t,同比增加183万t,增长幅度为9.9%;自给率为43.3%,较上年降低3.4%。近几年中国PX表观消费量呈现增长态势,从2005年的378万t,增至2015年的2 035万t,年均增长率为18.3%。见表1。中国PX下游消费主要是对苯二甲酸行业生产聚酯,约有96%以上的PX用于生产PTA,最后进入包装和纺织领域。而对苯二甲酸是生产聚酯(应用于包装和纺织领域)的原料。 Apparent consumption of PX in China reached 20.35 million tons in 2015, an increase of 1.83 million tons or 9.9% over the same period of last year; the self-sufficiency rate was 43.3%, a decrease of 3.4% from the previous year. In recent years, the apparent consumption of PX in China has shown an increasing trend, from 3.78 million in 2005 to 20.35 million in 2015, with an average annual growth rate of 18.3%. See Table 1. China PX downstream consumption is mainly terephthalic acid production of polyester industry, about 96% of the PX for the production of PTA, and finally into the packaging and textile fields. Terephthalic acid is the raw material for the production of polyesters (used in packaging and textile applications).