Dr. Chongqing Wang obtained his Ph.D from Central South University in 2017. Dr. Wang became an associate professor in School of Chemical Engineering, Zhengzhou University from 2017. His research field is management of solid wastes. He has co-authored over 54 peer-reviewed papers, and applied 15 Chinese patents. Dr. Wang is the member of International Waste Working Group, the International Association of Advanced Materials and the Advances in Cleaner Production. He is the editorial member of Frontiers in Materials, Current Analytical Chemistry, Nonferrous Metals (Extractive Metallurgy Section) and STEMIO eBooks, as well as the reviewer of over 20 international journals. Dr. Anish Khan is Currently Assistant Professor, Chemistry Department, Centre of Excellence for Advanced Materais Research (CEAMR), Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia. Ph.D. from Aligarh Muslim University, India from 2010. Research experience of working in the field of synthetic polymers, organic-inorganic electrically conducting nano-composites. Complete Postdoctoral from School of Chemical Sciences, University Sains Malaysia (USM) electroanalytical chemistry in 2010) on 31st Oct 2011 for one year. Research and teaching experiance. More than 200 research papers published in reffered international journal. More then 20 international conferences/ workshop and 15 books published 20 in progress and 55 Book chapters. Around 20 research project completed. Manageriel Editor of Chemical and Environmental Research (CER) Journal, Member of American Nano Society, Field of specialization is polymer nano composite/cation-exchanger/chemical sensor/microbiosensor/nanotechnology, application of nano materials in electroanalytical chemistry, material chemistry, ion-exchange chromatography and electro-analytical chemistry, dealing with the synthesis, characterization (using different analytical techniques) and derivatization of inorganic ion-exchanger by the incorporation of electrically conducting polymers. Preparation and characterization of hybrid nano composite materials and their applications, Polymeric inorganic cation –exchange materials, Electrically conducting polymeric, materials, Composite material use as Sensors, Green chemistry by remediation of pollution, Heavy metal ion selective membrane electrode, Biosensor on neurotransmitter. Prof. Abdullah Mohammed Ahmed Asiri is Professor in Chemistry Department – Faculty of Science -King Abdulaziz University. Ph.D. (1995) From University of Walls College of Cardiff, U.K. on Tribochromic compounds and their applications. The chairman of the chemistry department , King Abdulaziz University currently and also The Director of the center of Excellence foradvanced Materials Research. Director of Education Affair Unit–Deanship of Community services. Member of Advisory committee for advancing materials, (National Technology Plan, King Abdul Aziz City of Science and Technology, Riyadh, Saudi Arabia). Color chemistry. Synthesis of novel photochromic and thermochromic systems,Synthesis of novel colorants and coloration of textiles and plastics, Molecular Modeling, Applications of organic materials into optics such as OEDS, High performance organic Dyes and pigments. New applications of organic photochromic compounds in new novelty. Organic synthesis of heterocyclic compounds as precursor for dyes. Synthesis of polymers functionalized with organic dyes. Preparation of some coating formulations for different applications. Photodynamic thereby using Organic Dyes and Pigments Virtual Labs and Experimental Simulations. He is member of Editorial board of Journal of Saudi Chemical Society, Journal of King Abdul Aziz University,Pigment and Resin Technology Journal, Organic Chemistry Insights, Libertas Academica, Recent Patents on Materials Science, Bentham Science Publishers Ltd. Beside that he has professional membership of International and National Society and Professional bodies.