阅读说明：本技术 包括固定床加氢处理、两次脱沥青操作和沥青的加氢裂化的用于处理重质烃原料的方法 (Process for treating heavy hydrocarbon feedstocks comprising fixed bed hydroprocessing, two deasphalting operations and hydrocracking of the bitumen ) 是由 W.维斯 I.梅尔德里尼亚克 于 2019-07-24 设计创作，主要内容包括：本发明涉及一种生产燃料基础油的方法,该方法包括一系列特定步骤,包括固定床加氢处理步骤,由固定床加氢处理步骤产生的重级分的脱沥青步骤,DAO级分的固定床加氢裂化步骤,沥青级分的沸腾床加氢裂化步骤和由沸腾床加氢裂化步骤产生的重级分的脱沥青步骤。(The present invention relates to a process for producing a fuel base oil, which comprises a series of specific steps, including a fixed bed hydrotreating step, a deasphalting step of a heavy fraction resulting from the fixed bed hydrotreating step, a fixed bed hydrocracking step of a DAO fraction, an ebullated bed hydrocracking step of a pitch fraction, and a deasphalting step of a heavy fraction resulting from the ebullated bed hydrocracking step.)