Write up about Authors Dr. K.S.R. Murthy is currently working in the Department of Chemistry, University of Petroleum and Energy Studies (UPES), Dehradun, India. He was awarded M.Sc degree in 1991 from Andhra University, India, M.S degree in Environmental Science from University of Strathclyde, Glasgow, UK in 1995 and Ph.D. degree in 1998 from Jawaharlal Nehru Technological University, Hyderabad, India. He has a total of 21 years of experience in teaching various chemistry courses in Undergraduate and Graduate level from Indian and abroad Universities. He was awarded ODA Fellowship by British Government to pursue his studies at Glasgow, UK. His research areas include inorganic metal ions removal from industrial effluents, characterization of nano materials, renewable energy sources and has published 2 Text Books on Analytical Chemistry, 23 Research papers in National and International Peer reviewed Journals and more than 30 technical presentations at National and International conferences. Dr. Srinivas Tadepalli is currently working in the department of Chemical Engineering, Imam Mohammad Ibn Saud Islamic University, Riyadh, Saudi Arabia. He awarded Ph.D (Chemical Engineering) in 2017 and M.Tech (Petroleum and Gas Engineering) degree in 2010 from University of Petroleum and Energy Studies (UPES), Dehradun, India. He has a total of 13 years of experience in teaching various Chemical and Petroleum courses in Undergraduate and graduate level from Indian and abroad Universities. He carried out several experimental studies in the areas of wastewater treatment and heavy metal ions removal and published various research papers in Peer reviewed Journals. Apart from his Doctoral Thesis experimental work he was more interested in teaching core chemical Engineering subjects such as Fluid Mechanics, Thermo dynamics and Heat engines, Heat and Mass transfer, Numerical methods in Chemical Engineering, Bio-separations, Unit Operations subjects and also taught to B. Tech Petroleum, Geo Science Engineering, Chemical Engineering students. He gained knowledge in Modeling and experimental work through various International Journals, and published papers in SCI and Scopus Journals of repute. His research areas include Environmental Pollution (Water Pollution), Mass Transfer Operations, Modelling and Simulation, Adsorption and Pollutant Remediation, Bio-Remediation and Adsorption and published 28 research papers in National and International Peer reviewed Journals and more than 15 technical presentations in National and International conferences. He also attended various workshops and Project presentations in National and International and gained technical knowledge. Dr. Srinivas Tadepalli Assistant Professor, Imam Mohammad Ibin Saud Islamic University, Department of Chemical Engineering-College of Engineering, P.O Box 5701, Riyadh -11432 -Kingdom of Saudi Arabia Mobile & whatspp: +966-503953209, +9107093501600 Email: stadepalli@imamu.edu.sa