Gelb Research Group at Washington University in St. Louis
 

Phase Equilibria of Multicomponent Systems Using Parallel Molecular Dynamics Algorithms

Lev D. Gelb, María E. Suárez and Erich A Müller


Citation:
Lev D. Gelb, María E. Suárez and Erich A Müller, AIChE Symposium Series 97 #325 (2001) 187-190

Abstract: Molecular modeling has an encouraging field of application in industrially relevant processes, especially those where experimental data is difficult or expensive to obtain, or is otherwise unavailable. In this work we propose algorithms to simulate the vapor-liquid and liquid-liquid phase behavior of real systems with multipolar interactions. Simulations are done using molecular dynamics (MD) quench techniques, after which an interface-detection algorithm is run to discern between the two phases formed. Examples presented are the phase diagram of benzene and the liquid-liquid equilibria of the sulpholane/n-octane/benzene ternary mixture. We present the results of this work placing emphasis on the fact that parallel computers and algorithms have become cost-effective tools for solving industrially relevant problems.



Department of Chemistry and Center for Materials Innovation
Washington University in St. Louis
Last modification: Fri Aug 17 16:24:36 2007
gelb@wustl.edu