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    • 32. 发明专利
    • Method for producing desulfurized vacuum gas oil base material and gas oil composition blended with the same
    • 用于生产脱硫真空气基础材料的方法和与之混合的气体组合物
    • JP2014189556A
    • 2014-10-06
    • JP2013063376
    • 2013-03-26
    • Jx Nippon Oil & Energy CorpJx日鉱日石エネルギー株式会社
    • KOUSAKA TSUKASAMATSUMOTO KOTARONASUNO KAZUYA
    • C10G45/08C10L1/00C10L1/08
    • PROBLEM TO BE SOLVED: To provide a method for producing desulfurized vacuum gas oil base material which hardly generates sludge and deposit and secures oxidation stability by applying proper hydrodesulfurization treatment to vacuum gas oil raw material; and to provide a gas oil composition blended with the gas oil base material.SOLUTION: Provided is a method for producing desulfurized vacuum gas oil base material comprising: treating a vacuum gas oil having a whole aromatic content of 35 to 50 volume% in a hydrodesulfurization apparatus, the vacuum gas oil being obtained by treating in a vacuum distillation apparatus an atmospheric distillation residue obtained by treating crude oil in an atmospheric distillation apparatus; and obtaining desulfurized gas oil base material which has a 10% distillation temperature of 200 to 230°C, a 90% distillation temperature of 280 to 320°C, a whole aromatic content of 28 to 36 volume%, a content of monocyclic and bicyclic naphthenobenzenes (ionic strength, %) of 14.0 to 17.5%, a content of naphthalenes (ionic strength, %) of 1.0 to 2.0%, a sulfur content of 50 mass ppm or less, and an induction period of 100 minutes or more.
    • 要解决的问题:提供一种通过对减压瓦斯油原料进行适当的加氢脱硫处理而难以产生污泥并沉积并确保氧化稳定性的脱硫减压瓦斯油基材的制造方法; 并提供与粗柴油基料混合的瓦斯油组合物。解决方案:提供一种脱硫减压瓦斯油基材的制造方法,其特征在于,在加氢脱硫中处理全芳香族含量为35〜50体积%的真空瓦斯油 装置,通过在真空蒸馏装置中处理在常压蒸馏装置中处理原油获得的常压蒸馏残渣获得的减压瓦斯油; 得到10%蒸馏温度为200〜230℃,90%蒸馏温度为280〜320℃,全部芳香含量为28〜36体积%的脱硫瓦斯油基材,单环和双环的含量 环烷基苯(离子强度,%)为14.0〜17.5%,萘的含量(离子强度,%)为1.0〜2.0%,硫含量为50质量ppm以下,诱导期为100分钟以上。