مؤلف: Walter Z. Tang

WALTER Z. TANG, Ph.D., P.E., is an Associate Professor of Environmental Engineering in the Department of Civil and Environmental Engineering, College of Engineering and Computing at Florida International University, Miami, FL, USA. MIKA SILLANPÄÄ, Ph.D., is a Professor in the Department of Green Chemistry, School of Engineering Science at the Lappeenranta University of Technology, Lappeenranta, Finland.