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公开(公告)号：US10954176B2
公开(公告)日：2021-03-23
申请号：US16454406
申请日：2019-06-27
Applicant: AXENS
Inventor： Isabelle Prevost , Jerome Pigourier , Pierre-Yves Martin , Arnaud Cotte
Abstract: The present invention relates to a process for producing high-purity para-xylene, comprising a single step of separation by adsorption in an SMB, with a subsequent step of separation by distillation in a first three-fraction distillation column producing at least two raffinates and optionally of two isomerization steps, making it possible to improve the overall para-xylene yield of the aromatic loop and to minimize the economic impact.
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