Coal Combustion Products (CCPs): Their Nature, Utilization and Beneficiation is a valuable resource for engineers and scientists from the coal, cement, concrete, and construction industries seeking an in-depth guide to the characteristics, utilization, beneficiation, and environmental impacts of coal combustion by-products. Researchers in universities working in this area will also find much to expand their knowledge.
The book provides a detailed overview of the different waste materials produced during power generation from coal, exploring their nature, beneficiation techniques, applications, and environmental impacts. Strong focus is placed on coal fly ash, bottom ash, and flue gas desulfurization materials, and their employment in cement, concrete, gypsum products, aggregates, road construction, geotechnics, and agriculture, among other products and industries.
Part 1 focuses on the nature of coal ashes, with chapters on their origin, generation, and storage, both in ponds and landfill. The coal combustion by-products produced as a result of clean coal technologies are the focus of the final chapter in the section. The next group of chapters in Part 2 considers the utilization of different waste materials, including the key products coal fly ash, bottom ash, and flue gas desulfurization materials. This is followed by a contribution reviewing the latest research into innovative and advanced uses for coal ash.
After an introduction to ash quality problems and quality monitoring, Part 3 concentrates on the essential area of by-product beneficiation techniques, in other words how to maximize the quality of materials for the end user. Topics covered include separation methods, thermal processing, and chemical passivation. The final section of the book addresses environmental issues, including the use of coal combustion by-products in green construction materials and the essential health and safety considerations associated with their use.
- An essential reference on the nature, reactivity, beneficiation, potential and environmental risks of coal-combustion by-products
- Contains an in-depth review of the origin and geochemistry of coal ash
- Explores the utilization of coal combustion by-products as supplementary cementitious materials to reduce the anthropomorphic greenhouse gas emissions associated with the use of ordinary Portland cement concrete
- Describes the essential area of the toxicology of coal combustion by-products
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Part One: Nature of coal combustion products 1. An introduction to the nature of coal 2. Generation and nature of coal fly ash and bottom ash 3. Flue-gas desulfurization products and other air emissions controls
Part Two: Utilization of coal combustion products 4. Introduction to the utilization of coal combustion products 5. Coal fly ash as a pozzolan 6. The utilization of flue-gas desulfurization materials 7. Fly ash-based geopolymer chemistry and behavior
Part Three: The beneficiation of coal combustion materials 8. Ash beneficiation, quality, and standard criteria 9. Assessing ash quality and performance 10. Air classification 11. Electrostatic beneficiation of fly ash 12. Thermal processing 13. Chemical passivation 14. Recovery, processing, and usage of wet-stored fly ash 15. Fly ash refinement and extraction of useful compounds
Part Four: Coal products and the environment 16. Coal products and the environment 17. Coal combustion products in green building 18. Coal ash in context 19. Environmental impact and corrective action 20. Storage of coal combustion products in the United States: Perspectives on potential human health and environmental risks 21. Ash as an internationally traded commodity
Thomas Robl is a Senior Advisor for the Materials Technologies Group at the University of Kentucky Center for Applied Energy Research (UK CAER). He is a member of the University of Kentucky Graduate Faculty and is a Director of the American Coal Association and Co-Chairman of the World of Coal Ash International Symposium. He received a PhD from the University of Kentucky in 1977 in Geology.
Anne Oberlink is a Senior Research Scientist for the Materials Technologies group at the University of Kentucky Center for Applied Energy Research (UK CAER). She is co-editor of the Coal Combustion and Gasification Products Journal, a journal collaboratively published by UK CAER and the American Coal Ash Association (ACAA). She received her second Masters of Science in Chemistry from the University of Kentucky in 2010.
Rod Jones is Professor of Civil Engineering and the Director of the Concrete Technology Unit at the University of Dundee in Scotland. He's a Chartered Civil Engineer and is a leading researcher in the field of cement and concrete technology. His research work lies in the areas of engineering design, sustainable construction, durability performance, utilisation of industrial by-products, enhancing service-life performance.