Heavy oil recovery rate can be increased and gasoline olefin hydrocarbon content can be decreased effectively by catalytic cracking operation parameters optimization.
通过优化催化裂化装置的操作参数可有效提高重油转化率和降低汽油烯烃含量。
Olefin (or alkene) Any unsaturated hydrocarbon containing one or more pairs of carbon atoms linked by a double Bond (see covalent Bond, saturation).
烯烃：含有一对或多对由双键连接的碳原子的一类不饱和烃。
Standard test method for oxygenates and paraffin , olefin , naphthene , aromatic o - pona hydrocarbon types in low - olefin spark ignition engine fuels by gas chromatography.
用气相色谱对低烯烃火花点火引擎燃料芳香碳氢化合物类型，环烃，烯烃，石蜡和氧化物的标准试验方法。
The paper has reviewed the analysis method, the gas chromatography and the near infrared spectroscopy for determining olefin and aromatic hydrocarbon content in gasoline.
对目前采用的快速、简便分析汽油中烯烃、芳烃含量的气相色谱和近红外光谱分析方法进行了评述。
The present invention has the advantages of high hydrogenation activity for heavy hydrocarbon, and is especially suitable for hydrogenating saturation wax with high olefin content.
本发明具有对重质烃加氢饱和活性高的优点，特别适合用于高烯烃含量蜡加氢饱和的优点。
Applying the method of mathematical statistics, the model for predicting olefin yield distribution of hydrocarbon cracking is obtained.
采用经验法，以芳烃指数、裂解温度、停留时间为参数，建立烃类裂解烯烃产率分布模型。
A method is described for refrigerant supply of a low-temperature separation stage in a plant for producing olefins from hydrocarbon-containing feed (olefin plant).
本发明描述了在从含有烃类的进料制造烯烃的装置(烯烃装置)中的低温分离阶段的制冷供应的方法。
The invention discloses a method for preparing low-carbon olefin by hydrocarbon catalytic pyrolysis combined with a hydrogen burning technology.
本发明公开了一种结合氢燃烧技术的烃类催化裂解制取低碳烯烃的方法。
The system and the method for preparing high-quality petrol by hydrogenation after recombining component oil refining hydrocarbon cannot only remove olefin, but also can remove thioalcohol and diene.
本发明的后加氢制备高质量汽油的系统和方法不仅能脱烯烃，还能脱硫醇和双烯。
The system and the method for preparing high-quality petrol by hydrogenation after recombining component oil refining hydrocarbon cannot only remove olefin, but also can remove thioalcohol and diene.
本发明的后加氢制备高质量汽油的系统和方法不仅能脱烯烃，还能脱硫醇和双烯。
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