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Method for refining crude oil

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专利汇可以提供Method for refining crude oil专利检索,专利查询,专利分析的服务。并且PURPOSE: To develop a method for refining crude oil, which can reduce equipment cost and operating cost, can give kerosine and gas oil fractions of high quality, and makes it possible to perform stable operation by simple operation control.
CONSTITUTION: A method for refining crude oil efficiently, which comprises separating the naphtha fraction from crude oil (in a predistillation tower 1), hydrodesulfurizing the residual fraction (in a hydrodesulfurizer 2), subjecting to high-pressure separation (in a high-pressure separation tank 3), hydrorefining the fractionated light fraction (in a hydrorefining unit 4) and distilling (in an atmospheric distillation tower 5) into each fraction. A hydrodesulfurizer 6 for desulfurizing the naphtha fraction separated in the preliminary distillation tower 1 is also provided.
COPYRIGHT: (C)1992,JPO&Japio,下面是Method for refining crude oil专利的具体信息内容。

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