Dr. Reza Davarnejad was born in 1978 (Arak, Iran). He received his bachelor's and master's degrees in petrochemical and chemical engineering in Iran in 2002 and 2004, respectively. He joined Universiti Sains Malaysia (Penang, Malaysia) where he continued his study in chemical engineering (separation processes), focusing on supercritical technology, thermodynamics, and biotechnology. He was awarded s Ph.D. degree in 2010. So far, he has completed more than 110 publications and research activities. Furthermore, he worked as a process engineer in Shazand Petrochemical Co., a researcher assistant in Universiti Sains Malaysia, and as an invited lecturer in several universities. He had also worked as a university deputy (educational and research) at Mahallat Institute of Higher Education for about one year. He currently conducts research on environmental engineering (wastewater treatment) through advanced oxidation processes such as electro-Fenton and adsorption. He is also a consultant for some industries (local and international ones). He received his Associate Professor position from Arak University in 2016 where he has been working as a head of the chemical engineering department for the last two years.