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Author : Autumn Aiqiu Hu
Publisher :
ISBN 13 :
Total Pages : 256 pages
Book Rating : 4.:/5 (436 download)
Download or read book Collection and Characterization of Coal Fly Ash for Toxicology written by Autumn Aiqiu Hu and published by . This book was released on 2000 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zhenwei Zhu
Publisher :
ISBN 13 :
Total Pages : 159 pages
Book Rating : 4.:/5 (772 download)
Download or read book Characterization and Modeling of Toxic Fly Ash Constituents in the Environment written by Zhenwei Zhu and published by . This book was released on 2011 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coal fly ash is a by-product of coal combustion that has drawn renewed public scrutiny due to the negative environmental impacts from accidental release of this waste material from storage facilities. Historically, the leaching of toxic elements from coal fly ash into the environment has always been a major environmental concern. Despite extensive efforts into the characterization of coal fly ash, effective models for the fate and transport of toxic fly ash constituents have remained lacking, making it difficult to perform accurate environmental impact assessment for coal fly ash. To close this critical knowledge gap, the overall objective of this study was to develop a predictive model for the leaching of toxic elements from fly ash particles. First, physical properties of coal fly ash were characterized to evaluate their contribution to elemental transport. Unburned carbon was shown to contribute to the sorption of arsenic to fly ash, which slowed the release of arsenic from fly ash. In parallel, leaching properties of various elements were determined to differentiate species of varying leaching capacities, demonstrating that the majority of toxic elements were not mobile under environmentally relevant conditions. Subsequently, a mechanistic model for the dissolution of fly ash elements was developed and validated with batch kinetics studies. Furthermore, elemental dissolution was integrated with hydrodynamic modeling to describe the leaching of toxic elements from fly ash in dry disposal facilities, which was validated by column studies. The mechanistic model developed and validated in this research represents the first such model that successfully characterized the complex processes underlying the release and transport of toxic elements in coal fly ash, providing a valuable tool to predict the environment impact of coal fly ash and develop more effective management practices for both the industry and regulators.
Author : VAGEESH T. S
Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.:/5 (798 download)
Download or read book Characterization of Coal Fly Ash and Its Influence on Soil and Crop Quality written by VAGEESH T. S and published by . This book was released on 2000 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : ASTM Committee D-34 on Waste Management
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (892 download)
Download or read book Standard Guide for Characterization of Coal Fly Ash and Clean Coal Combustion Fly Ash for Potential Uses written by ASTM Committee D-34 on Waste Management and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : ASTM Committee D-34 on Waste Management
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (892 download)
Download or read book Standard Guide for Characterization of Coal Fly Ash and Clean Coal Combustion Fly Ash for Potential Uses written by ASTM Committee D-34 on Waste Management and published by . This book was released on 2012 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Characterization of Fly Ash from Coal Combustion written by and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Fly ash derived from coal combustion contains predominantly spherical particles which consist of an insoluble aluminosilicate glass containing several mineral impurities. An outer layer, 50 to 300 A thick, is rich in many potentially toxic trace elements in the form of simple and complex sulfates. This layer, which is soluble in water, contains essentially all of the particulate sulfur present in fly ash in the form of sulfate. The actual mechanism(s) of formation of particulate sulfate salts are ill-defined but probably involve adsorption of condensation of gaseous sulfur species onto fly ash surfaces within the power plant stack system.
Author : Lindon K.A. Sear
Publisher : Thomas Telford Limited
ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.3/5 (91 download)
Download or read book Properties and Use of Coal Fly Ash written by Lindon K.A. Sear and published by Thomas Telford Limited. This book was released on 2001-10-15 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book draws together a large quantity of research that has been carried out on pulverised fuel ash (PFA) over the past 30 years.In addition to covering the potential uses of PFA it provides an overview of the benefits of use.
Author :
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (31 download)
Download or read book Characterization of Trace Elements in Fly Ash written by and published by . This book was released on 1977 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Segun Akinyemi
Publisher : BoD – Books on Demand
ISBN 13 : 9535137522
Total Pages : 210 pages
Book Rating : 4.5/5 (351 download)
Download or read book Coal Fly Ash Beneficiation written by Segun Akinyemi and published by BoD – Books on Demand. This book was released on 2018-01-31 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present book deals with various, very significant topics of coal fly ash beneficiation, such as treatment of acid mine drainage with coal fly ash, toxic metal adsorption using coal fly ash, recovery of metals from coal fly ash and phytoreclamation of abandoned acid mine drainage site after treatment with coal fly ash, the status of research in coal fly ash utilization and applications and some other related topics in this growing and increasingly important research area. Overall, coal fly ash beneficiation has come to assume an important role in most areas of waste management research today. Continued growth and emphasis on scientific research is expected in all areas of waste management and conversion of waste to wealth technologies.
Author :
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (451 download)
Download or read book Coal and Fly Ash written by and published by . This book was released on 2000 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : I. Lecuyer
Publisher :
ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (48 download)
Download or read book Physico-chemical Characterization and Leaching of Desulphurization Coal Fly Ash written by I. Lecuyer and published by . This book was released on 1996 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John J. Suloway
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (31 download)
Download or read book Chemical and Toxicological Properties of Coal Fly Ash written by John J. Suloway and published by . This book was released on 1983 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Natusch
Publisher :
ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (615 download)
Download or read book Characterization of Fly Ash from Coal Combustion written by David Natusch and published by . This book was released on 1978 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kenneth Lynn Bergeson
Publisher :
ISBN 13 :
Total Pages : 214 pages
Book Rating : 4.3/5 (555 download)
Download or read book Development of a Rational Characterization Method for Iowa Fly Ash written by Kenneth Lynn Bergeson and published by . This book was released on 1988 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the goal of increasing the utilization of high calcium fly ash, research was conducted on monitored samples from five Iowa coal-fired power plants to determine the cause of paste strength variability and to develop test methods to more adequately reflect fly ash physical and chemical characteristics.
Author :
Publisher :
ISBN 13 :
Total Pages : 414 pages
Book Rating : 4.:/5 (3 download)
Download or read book Environmental Health Perspectives written by and published by . This book was released on 1993 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert L. Day
Publisher :
ISBN 13 : 9781558990661
Total Pages : 328 pages
Book Rating : 4.9/5 (96 download)
Download or read book Fly Ash and Coal Conversion By-products Characterization, Utilization, and Disposal VI written by Robert L. Day and published by . This book was released on 1990 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Prabir Kumar Sarker
Publisher :
ISBN 13 : 9781629480688
Total Pages : 487 pages
Book Rating : 4.4/5 (86 download)
Download or read book Fly Ash written by Prabir Kumar Sarker and published by . This book was released on 2013 with total page 487 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fly ash is a by-product of the combustion of coal and other waste materials. In recent years, there has been intensive research on fly ash because of the increasing demand for the recycling of industrial by-products to improve sustainability in manufacturing and infrastructure. This book presents some of the latest developments in the generation, characterization, utilization and environmental impacts of fly ash. Recent developments on the methods of collection and analysis of fly ash, and novel applications such as in geopolymers and recovery of resources from fly ash are included. The book is intended for professionals in research and academics, and students interested in materials and sustainability. The book consists of 17 chapters contributed by 42 authors. Each chapter ends with an extensive list of references for further information. The topics on fly ash have been grouped into the following three parts: Part 1: various sources, methods of collection, factors influencing collection efficiency, flow and hydrodynamic behaviours, methods of characterization, physical, chemical, leaching and radiation properties, and extraction of metals from fly ash; Part 2: different technological initiatives on utilization, applications in the construction industry, use as a supplementary cementitious material, alkali-activated binder, polypropylene composite materials, and behaviour of fly ash geopolymer concrete; and Part 3: health and environmental issues such as the effects on lung and heart, bioleaching for detoxification, ash from incinerated wastes, and lifecycle assessment of civil structures using fly ash.
