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About the author
Zahid Amjad received his BSc in Chemistry (Honors) and MSc in Chemistry from the University of the Panjab, Pakistan, and PhD from Glasgow University, Scotland, United Kingdom. He was a lecturer at the Institute of Chemistry of Panjab University and served as an assistant research professor at the State University of New York at Buffalo, New York. He started his professional career as an R & D scientist. During his more than 30 years at Calgon Corporation, Pittsburgh, Pennsylvania, and Lubrizol Advanced Materials, Inc., Cleveland, Ohio, he has worked in various fields, including water treatment, water purification, cosmetics, home care, oral care, and pharmaceutics, and related fields. Dr. Amjad has presented numerous invited lectures and participated in symposiums around the world. He has published more than 200 papers, has contributed to numerous book chapters, has edited seven books, and holds 30 US patents. His awards include Induction into the National Hall of Corporate Inventors, EDI Innovation Award, and the recipient of the Association of the Water Technologies’ Ray Baum Memorial Water Technologist of the Year Award. Dr. Amjad is a member of several societies and has organized several symposiums on crystal growth formation and inhibition, physico-chemical processes at solid-liquid interface, adsorption, desorption, and dispersion. He is the owner of Aqua Science and Technology LLC, Columbus, Ohio, which provides consulting services for industrial water treatment, separation processes, and related technologies. Dr. Amjad currently serves as a visiting professor in the School of Arts and Sciences, Walsh University, North Canton, Ohio.Kostas Demadis is currently a Professor of Chemistry at the Department of Chemistry, University of Crete, Greece. He is head of the Crystal Engineering, Growth & Design Laboratory delving into diverse fields of chemistry and chemical technology. His research group is involved in projects that embrace phosphonate and metal phosphonate chemistry (synthesis, characterization and applications of metal phosphonate materials), functional hybrid materials, silicon chemistry (modeling of biosilicification mechanisms), water treatment issues (mineral scale inhibition, corrosion control, metal ion absorption), controlled release of active pharmaceutical ingredients (in particular phosphonate-based drugs), and green chemistry and engineering. Professor Demadis has published over 220 papers in peer reviewed journals, 24 chapters in books, 8 books, and is the inventor of 2 patents.
