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Process for converting heavy petroleum fractions including an ebulliated bed for producing middle distillates with a low sulfur content
Process for converting heavy petroleum fractions including an ebulliated bed for producing middle distillates with a low sulfur content
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机译:包括重沸石馏分的重油馏分转化方法,用于生产低硫含量的中间馏分
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摘要
The invention relates to a process for treating heavy petroleum feedstocks for producing a gas oil fraction that has a sulfur content of less than 50 ppm and most often 10 ppm that includes the following stages: a) ebulliated-bed catalytic hydrocracking, b) separation from hydrogen sulfide of a distillate fraction that includes a gas oil fraction and a heavier fraction than the gas oil, c) hydrotreatment of said distillate fraction, and d) separation of a gas oil fraction with less than 50 ppm of sulfur. Make-up hydrogen, preferably all make-up hydrogen, is to stage c). Advantageously, the heavier fraction from step (b) is subjected to catalytic cracking. The invention also relates to an installation that can be used for implementing this process.
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