Overview

This book reviews the recent scientific developments on mining and metallurgical wastes-based alkali-activated materials (MMWAAMs). Enormous quantities of solid wastes are generated during the exploitation of ore deposits and the subsequent processing for materials, causing serious environmental problems. Alkali activation is one of the robust technologies that converts mining and metallurgical wastes into value-added materials and offers technological solutions for efficient stabilization of toxic components in mining and metallurgical wastes. Herein, this book presents the development of the design, processing routes, and performances of mining and metallurgical waste-based alkali-activated materials. It highlights in detail the relationships between the physicochemical characteristics of the source materials and the properties of synthesized binders. From the durability perspective, both the applicability of testing protocols and degradation mechanisms are also reviewed with significant experimental and modeling work presented. Furthermore, the transformation paths of initially toxic components during alkali activation, partitioning characteristics, as well as the assemblages of solubility-controlling mineral phases are discussed for detailed environmental compatibility evaluation. In addition, applications and perspectives for future directions of mining and metallurgical wastes-based alkali-activated materials are illustrated. By bringing state-of-the-art knowledge, this book appeals to a broad readership, particularly researchers engaged in material and environmental science, mining and metallurgical engineering, and other related fields.

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9789819762842

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Dr. Zengqing Sun has an interdisciplinary background and received his bachelor, master and Ph.D. in mineral processing (Central South University, China), environmental engineering (Nanjing University, China), and civil engineering (RWTH Aachen University, Germany), respectively. He was selected as the Hundred Talents Program (Hunan Provincial) scholar in 2020 and has been working at Central South University as an associate professor at the School of Minerals Processing and Bioengineering since then. He has been engaged in alkali-activated materials since 2011, focusing on the reaction mechanism and environmental compatibility, and has authored and co-authored more than 40 peer-reviewed papers and one book.

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