Dimethyl terephthalate was produced from the recovered terephthalic acid waste. Factors which influenced conversion ratio were discussed. The Optimum condition of es terfication was obtaines.

• 利用回收的对苯二甲酸残渣生产对苯二甲酸二甲酯，讨论了影响酯化转化率的各种因素，得到了优化的酯化工艺条件。