초록

A process for the preparation of acetals and ketals by reacting an aldehyde or Ketone with an alcohol in the presence of solid acid and removing water by pervaporation. Manufacturing equipment for the preparation of acetals and ketones is also provided.

대표청구항 ▼

1. An apparatus for carrying out a process for the preparation of acetals or ketals by reacting an aldehyde or ketone with an alcohol in the presence of a solid acid, and removing water from the reaction product by pervaporation comprising a reactor containing a solid acid having an inlet and an out

1. An apparatus for carrying out a process for the preparation of acetals or ketals by reacting an aldehyde or ketone with an alcohol in the presence of a solid acid, and removing water from the reaction product by pervaporation comprising a reactor containing a solid acid having an inlet and an outlet, a vessel containing a solid base having an inlet and an outlet, and a pervaporation unit having a membrane which is permeable for water and having an inlet and an outlet, wherein the reactor outlet is in fluid communication with the vessel inlet, and the vessel outlet is in fluid communication with the pervaporation unit inlet. 2. The apparatus according to claim 1, which comprises 3 consecutively arranged units each consisting of reactor (1), vessel (2) and pervaporation unit (3).