Cascade reboiling of ethylbenzene/styrene columns

Details Cascade reboiling of ethylbenzene/styrene columns Cascade reboiling of ethylbenzene/styrene columns

B - Operations, Transporting

01

D

B01D 3/00 (2006.01) B01D 3/14 (2006.01) B01D 3/42 (2006.01) C07C 7/00 (2006.01) C07C 7/04 (2006.01) C07C 15/46 (2006.01)

Patent

CA 2335568

Apparatus and process for the distillation separation of styrene monomer from ethylbenzene utilizing a split feed from fluid splitter (106) to two distillation columns including a high-pressure distillation column (110) and low-pressure distillation column (130) in conjunction with reboiling at reboilers (118 and 138) respectively, utilizing thermal energy from the overhead of one column to supply heat to the other column.

L'invention concerne un appareil et un procédé pour la séparation par distillation de styrène à partir d'éthylbenzène, dans lesquels deux colonnes de distillation dont une colonne de distillation haute pression (110) et une colonne de distillation basse pression (130), sont alimentées de manière séparée par une tour de séparation (106), conjointement avec un traitement dans des rebouilleurs (respectivement 118 et 138), l'énergie thermique provenant du produit de tête d'une colonne étant utilisée pour alimenter l'autre colonne en chaleur.

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