The PSE (Process Systems Engineering) series of conferences are held once every three years. The latest, the PSE-2012 conference, was held in Singapore during 15-19 July 2012. The last time it was held in Europe was in 2006, jointly with ESCAPE-16 in Garmisch-Partenkirchen, Germany.
The ESCAPE conference series (European Symposium on Computer Aided Process Engineering) is held every year. It is organized by a host member society of the EFCE on behalf of the CAPE-WP. The series started with ESCAPE-1 held in Denmark in 1992. The latest in the series, ESCAPE-24 was held in Budapest during 16-18 June 2014.
For more details on the ESCAPE-series, click here