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    • 2. 发明申请
    • Treatment of Heavy Oils to Reduce Olefin Content
    • 重油处理降低油烯含量
    • US20150060333A1
    • 2015-03-05
    • US14454001
    • 2014-08-07
    • Michel ChornetChristos ChronopoulosSoumaine Dehkissia
    • Michel ChornetChristos ChronopoulosSoumaine Dehkissia
    • C10G55/04C10G69/06C10G67/02
    • C10G55/04C10G7/00C10G9/007C10G15/00C10G15/08C10G15/10C10G55/02C10G67/02C10G2300/302C10G2300/308
    • A process for treating heavy oil to provide a treated heavy oil having a reduced density and viscosity, as well as an olefin content that does not exceed 1.0 wt. %. The process comprises separating the initial heavy oil into a first fraction, which in general contains lower-boiling components, and a second fraction. The second fraction comprises a heavy oil having a p-value of at least 5% greater than the p-value of the initial heavy oil prior to separating the initial heavy oil into the first fraction and the second fraction, and the second fraction has an aromaticity that is no more than 5% less than the aromaticity of the initial heavy oil prior to separating the initial heavy oil into the first fraction and the second fraction. The second fraction then is upgraded to reduce the density and viscosity of the heavy oil. After the second fraction is upgraded, it is recombined with at least a portion of the first fraction to provide a treated heavy oil having an olefin content that does not exceed 1.0 wt. %. The separation of the initial heavy oil into first and second fractions enables one to achieve improved reduction of the density and viscosity of the treated heavy oil while maintaining the olefin content at an acceptable level.
    • 一种处理重油以提供具有降低的密度和粘度的处理过的重油以及不超过1.0重量%的烯烃含量的方法。 %。 该方法包括将初始重油分离成通常含有较低沸点组分的第一馏分和第二馏分。 在将初始重油分离成第一馏分和第二馏分之前,第二馏分包含p值比初始重油的p值大至少5%的重油,第二馏分具有 在将初始重油分离成第一馏分和第二馏分之前,初始重油的芳香度不超过5%的芳香度。 然后第二级升级,以降低重油的密度和粘度。 在第二级分升级之后,将其与至少一部分第一馏分重新组合以提供烯烃含量不超过1.0重量%的经处理的重油。 %。 将初始重油分离成第一和第二馏分使得能够在将烯烃含量保持在可接受的水平的同时实现经处理的重油的密度和粘度的改善的降低。