Roy Raharjo, a chemical engineering doctoral student, received the American Institute of Chemical Engineers (AIChE) Separations Division Graduate Student Award, which annually recognizes six outstanding graduate students from around the country.  A student of Dr. Benny Freeman, the Kenneth A Kobe Professor in Chemical Engineering, Raharjo was awarded for his research in the competitive effects of vapor / gas permeation in solubility selective polymers. Raharjo is the third student from Freeman’s research group to receive the award.