Separation processes
Treatment of aromatic essences for the petrochemical industry.

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J5920 V3 Article

Separation processes


Treatment of aromatic essences for the petrochemical industry.

Authors : Emmanuelle GuILLON, Philibert LEFLAIVE

Publication date: March 10, 2011, Review date: February 1, 2016 | Lire en français

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2. Separation processes

2.1 Types of separation used in the aromatic complex

Various separation techniques are used within the aromatic complex. These techniques are used :

  • or to isolate certain cuts; for example the separation of the C 8 -aromatic cut from heavier compounds by distillation or the separation between aromatic compounds and other compounds on the C7 cut by extractive distillation;

  • or to produce high-purity aromatic compounds, such as toluene by distillation or paraxylene by molecular sieve adsorption....

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