Single temperature stage crystallization to recover paraxylene

Details Single temperature stage crystallization to recover paraxylene Single temperature stage crystallization to recover paraxylene

C - Chemistry, Metallurgy

07

C

C07C 15/08 (2006.01) C07C 6/12 (2006.01) C07C 7/14 (2006.01)

Patent

CA 2186456

This invention is a crystallization process for p-xylene recovery. A single temperature crystallization stage (18) is used for producing p-xylene from a feed having an above equilibrium p-xylene concentration, such as from toluene disproportionation.

L'invention est un procédé de cristallisation destiné à la récupération de p-xylène. On utilise une seule étape (18) de cristallisation en température pour produire du p-xylène à partir d'une charge présentant une concentration en p-xylène supérieure à celle de l'équilibre, telle que résultant de la disproportion du toluène.

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