Utilization of acetic acid reaction heat in other process...

C - Chemistry – Metallurgy – 07 – C

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Details

C07C 67/05 (2006.01) C07C 51/12 (2006.01) C07C 51/21 (2006.01) C07C 53/08 (2006.01) C07C 69/15 (2006.01)

Patent

CA 2557742

Integrated processes and systems for producing acetic acid and vinyl acetate are provided. In the processes and systems, a portion of the heat produced during the production of the acetic acid is transferred to the vinyl acetate production and/or purification process and system to facilitate production and/or purification of the vinyl acetate product. The process and systems described herein are useful in conjunction with any of the various known processes for the production of acetic acid and vinyl acetate. The heat of the acetic acid production reaction may be transferred to the vinyl acetate production system by any suitable heat transfer processes and systems. The heat may be provided to the purification section at a variety of locations in the vinyl acetate production and purification systems, depending on the specific configuration of the system to which the processes and systems. The process and systems described herein are useful to provide cost and energy savings in vinyl acetate production processes.

L'invention concerne des processus et des systèmes destinés à produire de l'acide acétique et de l'acétate vinylique. Dans ces processus et systèmes, une partie de la chaleur produite pendant la fabrication d'acide acétique est transférée vers les processus et systèmes de production d'acétate vinylique et/ou de purification pour faciliter la production et/ou la purification du produit d'acétate vinylique. Les processus et systèmes décrits dans l'invention sont utiles en conjonction avec toutes sortes de processus connus de production d'acide acétique et d'acétate vinylique. La chaleur de la réaction de production d'acide acétique peut être transférée vers le système de fabrication d'acétate vinylique au moyen de n'importe quels processus et systèmes de transfert de chaleur. La chaleur peut être amenée à une partie de purification dans divers endroits dans la production d'acétate vinylique ou systèmes de purification, en fonction de la configuration spécifique du système auquel se rapportent les systèmes et processus. Les systèmes et processus décrits dans l'invention sont utiles pour assurer l'économie de l'énergie dans des processus de fabrication d'acétate vinylique.

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