**About the Editors**

### **Mohd Rafatullah**

Dr. Rafatullah presently works as an Associate Professor of Environmental Technology in the School of Industrial Technology, Universiti Sains Malaysia (USM), Malaysia. He joined this school in the year 2008 as a Post Doctoral Fellow. He has completed his education; Ph. D. in Environmental Chemistry, Master of Science in Analytical Chemistry and Bachelor of Science in Chemistry from Aligarh Muslim University (AMU), India. His research interest is in the areas of environmental water pollutants and their safe removal; preparation of various nanomaterials to protect the environment; water and wastewater treatment; adsorption and ion exchange; microbial fuel cells; advance oxidation process; activated carbons and their electrochemical properties. His contribution was recognized by Guest Editors and Members of the Editorial Boards of various scientific journals. He is listed in the World's top 2% Scientists by Stanford University, listed among the Top 1% peer reviewers, in Chemistry, Environmental Science and cross-field on Publons global reviewer, Web of Science. He is a life time fellow member of the International Society of Sustainable Developments and member of various professional international societies. He has published several reviews articles and regular research papers in journals of international repute and presented his research work in various national and international conferences. He has also attended many workshops and seminars of environmental chemistry, based on his performance and contribution in research (total citations: >8600 and h index: 40 @ Scopus).

### **Masoom Raza Siddiqui**

Prof. Siddiqui received his B.Sc, M.Sc and Ph.D in chemistry from Aligarh Muslim University, Aligarh India. After 2.5 years'employment in Pharmaceutical R&D, Dr. Siddiqui joined King Saud University as an assistant professor in 2011 and was subsequently promoted to full professor in May 2022. His research interest includes water treatment, removal of environmental pollutants, synthesis of cost adsorbents and its application in solid phase extraction, development of analytical methods for determination of pharmaceutical, environmental and food additives. Prof. Siddiqui has more than 100 research papers to his credit (position: absolute; left: -20px; top: 24px;).
