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Description
This book delves into fundamentals of municipal solid waste incinerator (MSWI) ash as it pertains to management and resource recovery. MSWI is a popular waste management strategy globally, and characteristics, regulations, and recycling techniques of the ash byproduct influence the management and upcycling. Due to our modern waste stream, MSWI ash contains trace chemicals that limit use and may require special management and a thorough understanding. The ash also contains components of value (copper, gold) that can be recovered and repurposed, and remaining particles serve as sustainable construction materials. Implementation of MSWI ash resource recovery operations is challenged by heterogeneity, unwanted constituents, and reluctance due to its origin. Here we synthesize current knowledge of global MSWI ash characterization, regulation, beneficiation, and recycling to provide useful resources for stakeholders and decision makers charged with managing this material.
Chapter 1. Introduction.- Chapter 2. MSWI and The Production of Ash.- Chapter 3. MSWI Ash Characteristics.- Chapter 4. Regulations.- Chapter 5. MSWI Ash Landfilling.- Chapter 6. Beneficiation for Resource Extraction.- Chapter 7. Construction Aggregate Recycling Markets.- Chapter 8. Cement Kiln Feed and Supplementary Cementitious Materials Recycling Markets.- Chapter 9. Risk Assessment of Recycling Operations.- Chapter 10. More Sustainable Ash Management.
Dr. Townsend is a Distinguished Professor of Environmental Engineering at the University of Florida. He teaches and conducts research on solid and hazardous waste management, recycling systems, and sustainable materials management. He leads UF s Sustainable Materials Management Research Laboratory and is the Executive Director of the Hinkley Center for Solid and Hazardous Waste Management.
Dr. Kate Weiksnar earned her PhD in Environmental Engineering with a focus on sustainable materials management and the chemical and mechanical performance of industrial byproducts. She has over seven years of experience interacting with local, nationwide, and global municipal solid waste incineration (MSWI) facilities regarding management techniques and use opportunities. Her work emphasizes the fundamental characterization and beneficial use of materials such as MSWI ash. Kate has examined leaching processes, heavy metal mobility, alkali silica reactivity, and durability considerations related to incorporating MSWI residues into construction applications, along with the associated environmental, economic, and sustainability implications.
Dr. Malak Anshassi is an Assistant Professor at Florida Polytechnic University teaching solid waste management, sustainability, and life cycle assessment courses. Her research focuses on incorporating life cycle thinking into solid waste management. She previously conducted research using principles from sustainable materials management (or SMM) to analyze the application of life cycle thinking into Florida s solid waste management system to achieve the 75% recycling rate target. In her current research she formulates SMM-based solid waste management and policy approaches that decision makers from any region of the world can use to measure their waste management system s environmental and economic impacts.
