Highly aromatic base oil and method for producing highly aromatic base oil
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United States of America Patent
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Jun 5, 2018
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Sep 9, 2016
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Mar 21, 2012
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Abstract
A method for producing a highly aromatic base oil of the present invention includes a step of hydrorefining a clarified oil to obtain a highly aromatic base oil having an aromatic content of 50% by mass or more determined by a column chromatography analysis method. The step of hydrorefining a clarified oil is preferably performed under conditions of a hydrogen pressure of 5.0 to 20.0 MPa, a temperature of 280 to 400° C., a hydrogen oil ratio of 300 to 750 NL/L, and a space velocity of 0.3 to 2.0 h−1. According to the present invention, a highly aromatic base oil used for rubber processing, asphalt reclamation and the like, and a novel method for producing a highly aromatic base oil can be provided.
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