裂解汽油又称热解汽油。以轻烃、石脑油、柴油甚至减压蜡油为原料,在水蒸汽存在下高温裂解制取乙烯的过程中,生成含碳五烃类以上的液体副产品,经分馏出干点为205℃的液体称为裂解汽油。
1.2.原料与能耗 原料为来自一厂乙烯装置的裂解汽油,主要原材料为裂解汽油(pyrolysis gasoline),为裂解装置的副产品,设计年耗量41.5 万吨。主要辅助原材料富氢气体(rich hydrogen),来源于裂解装置,设计年耗量3785 吨。
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It is not a profitable way compared with raffinate used as feedstock of reformer. Two problems may emerge when pyrolysis gasoline used as feedstock for reformer.
乙烯裂解汽油抽余油混兑入重整进料有两个可能的问题:一是可能引起S含量超标;一是可能引起Si含量超标。
参考来源 - 加氢裂解汽油抽余油用作重整原料的工艺优化·2,447,543篇论文数据,部分数据来源于NoteExpress
轻原料裂解只产生少量裂解汽油,主要是苯。
The lighter feeds yield only small amounts of pyrolysis gasoline, chiefly benzene.
裂解汽油的二段加氢反应主要是脱硫、烯烃饱和等反应。
The second-stage hydrogenation reaction is mainly hydrodesulfurization and alkene saturation hydrogenation of pyrolysis gasoline.
用傅里叶红外光谱仪,在选定的波数范围内,采用化学计量学法测量乙烯裂解汽油的二烯值。
Combined with stoichiometric method, the diene value in cracking gasoline was determined by Fourier Transform Infrared Spectroscopy at selected wavenumber region.
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