Use plants to manufacture purified terephthalic acid (PTA) and monoethylene glycol (MEG).
利用植物生产纯化对苯二甲酸（PTA）和单乙二醇（MEG）。
The results show that the PTA crystallization kinetics parameters using optimization and regression can be utilized preferably to the modeling of purified terephthalic acid multistage crystallizer.
研究结果表明，优化回归得到的精对苯二甲酸结晶动力学方程能够较好地模拟PTA连续多级降压蒸发结晶过程。
By analysis of the production of polyethylene terephthalate (PET), the adjustment and effect of esterification process using purified terephthalic acid (PTA) purchased outside were discussed.
通过对聚对苯二甲酸乙二醇酯(PET)生产的分析，论述了当使用外购精对苯二甲酸(PTA)时，酯化工艺的调整及效果。
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