Eirini Karakatsani will participate with an oral presentation at the 9th European Congress of Chemical Engineering/2nd European Congress of Applied Biotechnology to be held in The Hague in The Netherlands during the period 21-25 April, 2013. The title of Eirini´s presentation will be "A systematic Study of the Modeling of Natural Gas Systems Containing Water and Selected Chemicals with CPA and GERG-Water Models"