The two routes in propylene enhanced production were reviewed. The technologies including stream cracking, FCC, PDH, metathesis of ethylene and butylene to propylene and coal (methanol) to olefin were introduced. At the same time, it was proposed that the petroleum route is still the main way to produce propylene and the capacity of propylene production through FCC process will be enhanced.%综述了增产丙烯的两种途径,介绍了蒸汽裂解、催化裂化/催化裂解、丙烷脱氢、乙烯/丁烯歧化、煤(甲醇)制烯烃等工艺的基本情况,指出石油路线增产丙烯技术仍是目前丙烯生产的主要途径,催化裂化/催化裂解增产丙烯的潜能将会得到进一步释放.
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