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首页> 外文期刊>Petroleum Science and Technology >Study on Olefin Decrement Reformulation and Increasing Light Olefins of FCC Gasoline by Catalytic Cracking
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Study on Olefin Decrement Reformulation and Increasing Light Olefins of FCC Gasoline by Catalytic Cracking

机译：催化裂化催化裂化汽油中烯烃减量重整和增加轻烯烃的研究

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摘要

Catalytic upgrading of fluid catalytic cracked (FCC) gasoline obtained from Huabei Petrochemical Company, PetroChina (Renqiu, Hebei, China), was investigated using a microreactor and gas chromatograph integrated unit in order to decrease the content of olefins in gasoline and increase the light olefins (ethylene, propylene, and butylene) content. The experimental results showed that the olefin content in upgraded gasoline can be decreased from 42.6% in raw material to nearly 10%, meeting the requirements of the new gasoline standard, whereas iso-alkane and aromatics contents were markedly increased, from 28.4 and 18.2% to 47 and 36.1%, respectively, so the octane number of gasoline should not be reduced. In addition, higher yields of light olefins were obtained after FCC gasoline was reformulated under laboratory conditions. Higher reaction temperature, longer reaction time, higher weight ratio of catalyst to oil, and higher catalyst activity were beneficial to decrease the olefin content of FCC gasoline and increase the yields of light olefins.
机译：为了减少汽油中烯烃的含量并增加轻质烯烃的含量，使用微反应器和气相色谱仪集成装置研究了从中国石油化工股份有限公司（中国河北任丘）获得的流化催化裂化汽油的催化性能提升。 （乙烯，丙烯和丁烯）含量。实验结果表明，升级汽油中的烯烃含量可以从原料中的42.6％降至近10％，可以满足新汽油标准的要求，而异烷烃和芳烃的含量则显着增加，从28.4％和18.2％分别降至47％和36.1％，因此不应降低汽油的辛烷值。另外，在实验室条件下将FCC汽油重新配制后，可以得到更高产率的轻烯烃。较高的反应温度，较长的反应时间，较高的催化剂与油的重量比和较高的催化剂活性有利于降低FCC汽油的烯烃含量并提高轻质烯烃的产率。

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