乳化重油催化裂化反应行为考察

Ge XU,Ji-he YANG,Zhen-guang LU,Ting LIN,Zhi YUN

Journal of Southwest Petroleum University(Science & Technology Edition)（2010）

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Abstract

为改善催化裂化原料油雾化状况,降低结焦和干气收率,将原料重油进行乳化.对乳化剂进行了选择和复配,并考察了温度对乳化重油催化裂化反应产品分布的影响.结果表明:采用乳化剂Span(S-1)、S-1与聚氧乙烯醚乳化剂(O-3)的二元复配剂以及S-1/O-3与Tween(T-2)三元复配乳化剂具有较好的乳化性能;与重油相比,乳化重油催化裂化反应温度可降低10 ℃,轻油收率提高1.2%～5.6%,而焦炭产率则较低.研究认为,对原料进行乳化可提高催化裂化反应的轻油收率,降低结焦,具有一定的工业应用前景.

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Key words

Catalytic cracking,Emulsification,Emulsifier,FCC feed stock,Heavy oil

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