Ahmed H. Ibrahim received his Ph.D. in chemicals and biological engineering from the Shandong University of Science and Technology (SDUST) in 2023 and is now working as a lecturer in mineral processing engineering at Al Azhar University in Egypt (2023) until now. His/her research topics mainly include mineral processing technology, green technologies, waste management, waste recycling, smart technologies, wastewater treatment, recycling, and extractive metallurgy.I'm working as a reviewer for many scientific journals.

Xianjun Lyu received his professorship in chemical and biological engineering from the Shandong University of Science and Technology. His research topics mainly include mining engineering, graphic design, fashion design, mineral processing technology, wastewater treatment, recycling, and extractive metallurgy.

Hani Elsayed  Sharafeldin is a seasoned Mining Engineer with a Ph.D. from the Russian State University for Geological Prospecting. His expertise lies in mining engineering, and mineral processing.Dr. Sharafeldin has published extensively in international journals, contributing significantly to the understanding of gold mineralization in Egypt. His research has covered topics such as the physico-chemical processing of uranium shale, the metallogeny of gold deposits, the wastewater treatment, recycling of zinc battaries and extraction of copper and nickel.With a strong academic background and practical experience, Dr. Sharafeldin has held various academic positions at Al-Azhar University, including Lecturer, Assistant Lecturer, and Demonstrator. He has supervised numerous undergraduate and postgraduate research projects, and has been actively involved in teaching courses related to mining engineering.Dr. Sharafeldin is also actively involved in professional organizations and has attended numerous international conferences and workshops. His research interests align with the growing demand for sustainable mining practices and resource exploration.Key qualifications and experiences:Ph.D. in Mining EngineeringExpertise in gold mineralization, ore processing, and mining geologyNumerous publications in international journalsExtensive teaching experience at the university levelActive involvement in professional organizationsStrong research focus on the mining industry in Egypt

Amr B. ElDeeb, is Currently working as Lecturer at Mining and Petroleum Department, Faculty of Engineering, Al Azhar University, Nasr City, 11884, Cairo, Egypt. The area of my research interests includes Materials Science, Metallurgy, Extractive Metallurgy, ores processing and concentration, Chemical Engineering, Metals forming, Green-technologies, waste-management, waste-recycling, water treatment and smart technologies. I'm working as reviewer for many scientific journals and as a technical editor for the Journal of Al-Azhar University Engineering Sector, Cairo, Egypt.