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    • 9. 发明专利
    • Apparatus and method for producing ethylene
    • 用于生产乙烯的装置和方法
    • JP2014172887A
    • 2014-09-22
    • JP2013048987
    • 2013-03-12
    • Idemitsu Kosan Co Ltd出光興産株式会社
    • SUWA AKIOKAGAWA YUSAKU
    • C07C4/04C07C7/12C07C11/04C10G7/00C10G9/36C10G25/03C10G35/04
    • C10G69/14C07C5/2767C10G9/36C10G69/00C10G69/06Y02P30/464C07C9/12
    • PROBLEM TO BE SOLVED: To provide an apparatus for producing ethylene, which can increase a ratio of the production amount of by-products such as propylene to the production amount of the ethylene.SOLUTION: An isomerization treatment is carried out to decrease the concentration of a linear saturated hydrocarbon compound and increase the concentration of a branched saturated hydrocarbon compound in a naphtha fraction, in a naphtha isomerization reaction facility 12. An isomerization treatment is carried out to decrease the concentration of normal-butane and increase the concentration of iso-butane in butane, in a butane isomerization reaction facility 14, and then thermal decomposition is carried out together with water vapor in a water vapor thermal decomposition facility 13. The concentration of a branched saturated hydrocarbon compound relative to the concentration of a linear saturated hydrocarbon compound to be treated in the water vapor thermal decomposition facility 13 is altered to increase or decrease the production amount of a basic chemical raw material, which is a by-product, relative to the production amount of ethylene, thus ensuring both a good balance between the supply and demand of ethylene and a good balance between the supply and demand of the basic compound.
    • 要解决的问题:提供一种生产乙烯的装置,其可以增加丙烯等副产物的生成量与乙烯的生产量的比例。溶液:进行异构化处理以降低 线性饱和烃化合物,并且在石脑油异构化反应设备12中增加石脑油馏分中的支链饱和烃化合物的浓度。进行异构化处理以降低正丁烷的浓度并增加异丁烷的浓度 在丁烷中,在丁烷异构化反应设备14中,然后在水蒸气热分解设备13中与水蒸气一起进行热分解。支链饱和烃化合物相对于线性饱和烃化合物的浓度为 在水蒸汽热分解设备13中被处理被改变 相对于乙烯的生产量来增加或减少作为副产物的碱性化学原料的生产量,从而确保乙烯的供求和供给与需求之间的良好平衡,以及供应和 基本化合物的需求。