Patent ID: 6605738
Filing Date: 2003-08-12
Classification: C07C,Y02P

Abstract:
A process for refining a butyl acrylate-containing stream comprising butyl acrylate, dibutyl ether, butyl acetate, heavies and butanol, the process comprising the steps of:a. introducing said stream into a splitter distillation column to provide an overhead fraction comprising dibutyl ether, butyl acetate, butyl acrylate and butanol and a bottoms fraction comprising butyl acrylate and heavies; b. withdrawing from the splitter distillation column the bottoms fraction; and c. separating heavies from said bottom fraction by introducing the bottoms fraction into a butyl acrylate distillation column to provide an overhead product containing butyl acrylate and a bottom product containing heavies.