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馏程对加氢裂化产品分布及性质的影响 被引量:11

INFLUENCE OF DISTILLATION RANGE ON DISTRIBUTIONS AND PROPERTIES OF HYDROCRACKING PRODUCTS
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摘要 通过对不同馏程加氢裂化产品性质的研究发现:随着馏分的变重,芳烃的分布呈先升高后降低的趋势,且其主要富集在中间馏分油中;通过切割点的前移或后移可以有效增加目的产品收率,初馏点降低,重石脑油芳烃潜含量、柴油十六烷指数会明显降低,喷气燃料烟点及尾油BMCI值明显升高,但尾油裂解性能变化不大;终馏点升高对重石脑油芳烃潜含量影响不明显,喷气燃料烟点及柴油十六烷指数会明显升高。通过对产品馏程的调整,可以发挥加氢裂化高效灵活的特点,更好地应对市场的变化。 Based on the composition analysis of the hydrocracking products with different distillation range,it is found that the aromatic hydrocarbons show a volcano type distribution and are mainly concentrated in the middle distillate;the yields of distillates are affected by changes of the cutting point moving forward or backward. The aromatic potential of heavy naphtha, cetane index of diesel decreases with IBP reduction,and the smoke point of jet fuel and BMCI value of tail oil increases, while the cracking performance of the tail oil has a little change. The effect of FBP increase on naphtha aromatic potential is not obvious,but the smoke point of jet fuel and cetane index of diesel increases greatly. It is concluded that the adjustment of distillation range of the product can highly optimize the compositions of hydro- cracking products to response to market changes better.
出处 《石油炼制与化工》 CAS CSCD 北大核心 2017年第6期39-43,共5页 Petroleum Processing and Petrochemicals
关键词 加氢裂化 馏程 芳烃 产率 hydrocracking distillation range aromatic hydrocarbons yield
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