蒸汽裂解：石油烃类如乙烷或石油馏分如石脑油（汽油）、瓦斯油（柴油）等在高温 （750℃ 以上）和水蒸气存在的条件下发生分子断裂和脱氢反应，伴随少量聚合、缩合等反应的过程。
...前景分析 关键词 低碳烯烃 蒸汽裂解 催化裂解 烯烃裂解 甲醇制烯烃 [gap=1885]Keywords] low-carbon olefin；steam cracking；catalytic cracking；olefin cracking；methanol-to-olefin ..
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生产这种不饱和烃类最重要的路线是靠蒸汽裂解，主要以石油气体和石脑油作原料。
The most important route to produce these unsaturated hydrocarbons is by steam cracking, using principally petroleum gases or naphtha as feedstock.
在实验室中研究了一种从石油残渣油制取建筑沥青的新工艺——水蒸汽裂解缩合。
A new process for producing roofing asphalt from petroleum residua by steam cracking and condensation has been studied in the laboratory.
利用蒸汽裂解和炼油工艺的碳四和碳五馏分生产丙烯是增产丙烯的一条重要途径。
Technologies for propylene production by using C4 and C5 fractions as feedstock coming from steam cracker and refineries are reviewed.
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