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Economic Benefit Analysis of Cracking n-Alkane Enriched by Absorption from Naphtha to Produce Olefin
Author(s): 
Pages: 26-29
Year: Issue:  10
Journal: PETROLEUM & PETROCHEMICAL TODAY

Keyword:  石脑油正构烷烃蒸汽裂解乙烯;
Abstract: 为了集成优化利用石脑油资源,使乙烯裂解和催化重整工艺得到合理的原料调配,运用5A分子筛吸附分离技术将石脑油中的正构烷烃分离.富含非正构烃的吸余油作为优质催化重整原料或高辛烷值汽油调合组分,富含正构烷烃的脱附油作为优质蒸汽裂解制乙烯原料.在工业典型操作条件下,与以石脑油为原料的乙烯裂解工艺相比,气体收率由84.3%增加到90.8%,乙烯收率增加11~14个百分点,三烯总收率增加8~10个百分点.以90万吨/年乙烯装置为例进行了以吸附分离脱附油和石脑油共同作为裂解原料的石脑油部分吸附分离加工方案的经济效益分析.
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