Through calculating the quantity and composition of the flash off gas in PC process, the importance of the recovery and CO 2 utilization is showed.

• 对碳酸丙烯酯为吸收剂的脱碳工艺 ,其闪蒸气的放空量和气体成分进行了计算 ,简述了回收闪蒸气的重要性 ,重点介绍了CO2 气体的开发利用。