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    • 2. 发明申请
    • QUALITY CERTIFICATION OF OXYGENATED GASOLINE
    • 氧化汽油的质量认证
    • WO2012151374A1
    • 2012-11-08
    • PCT/US2012/036277
    • 2012-05-03
    • EXXONMOBIL RESEARCH AND ENGINEERING COMPANYKELLY, Francis, X.LAU, Tian, Chong
    • KELLY, Francis, X.LAU, Tian, Chong
    • C10L1/02G01N33/28G05D21/00
    • C10L1/023G01N33/22G01N33/2829G05D21/02
    • A method for controlling the manufacture and certification of an oxygenated gasoline product is carried out by manufacturing a gasoline Basestock for Oxygenate Blending (BOB) at a refinery site in accordance with an empirical relationship, valid for at that site under typical manufacturing conditions, between (i) a property value of the BOB stream such as octane as determined by an on-site online process analyzer and (ii) the corresponding instantaneous value or FPAPV property value as determined by the test method mandated by the product specification for the final gasoline stream when blended with the required proportion of oxygenate. The quality of fit of this empirical relationship is calculated according to the standard deviation of the residuals of the relationship and a confidence level is fixed so that the final oxygenated gasoline formulated with the BOB will meet the required property specification when measured by the test method mandated by the specification. The final oxygenated gasoline blend is certified as having a property value conforming to the required specification based on the predicted property value for the finished gasoline.
    • 用于控制含氧汽油产品的制造和认证的方法通过根据经验关系在炼油厂位置制造用于氧化剂混合的汽油Bases(BOB)来进行,该经验关系在典型制造条件下在( i)由现场在线过程分析仪确定的BOB流的属性值(例如辛烷值),以及(ii)由最终汽油流的产品规格要求的测试方法确定的相应瞬时值或FPAPV属性值 当与所需比例的含氧化合物混合时。 这种经验关系的拟合质量根据关系残差的标准偏差来计算,置信水平是固定的,使得用BOB配制的最终含氧汽油将满足所要求的性能规格, 按规格。 最终的含氧汽油混合物被认证为具有符合所需规格的性能值,基于成品汽油的预测性能值。