The compositions of liquid phase and side stream of the recycle benzene fractionating tower and their relationship with operating temperature were analyzed using PRO/II software.

• 采用模拟计算软件分析了循环苯塔内液相组成、侧线组成及温度情况,通过调整塔的操作,使侧线抽出的甲苯馏分组成中甲苯含量高,乙苯含量最少,进而降低能耗物耗,提高经济效益。