Recent progress in world ethylene separation technology were reviewed and compared including sequence process, front-end deethanizer process, front-end depropanizer process.

• 综述了世界乙烯装置分离技术特点与最新进展,对顺序流程、前脱乙烷、前脱丙烷等三大乙烯分离流程进行了分析比较。