Bulletin 603 Electrostatic Separation Of Granular Materials
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Materials Beneficiation
Author | : Charles B. Gill |
Publisher | : Springer Science & Business Media |
Total Pages | : 253 |
Release | : 2012-12-06 |
Genre | : Technology & Engineering |
ISBN | : 1461230209 |
The purpose of this book is to provide a broad, comprehensive, up-to-date coverage of current beneficiation techniques and processes that are used for both metallic and nonmetallic minerals; and for other materials, such as household and industrial solid wastes, that are also processed by conventional beneficiation methods in their standard methods of recycling and reclamation. Conservation of natural resources is an adjunct of beneficiation in that we have used up once-available deposits of high-grade ores, leaving only the low-grade deposits that must be beneficiated to upgrade them to sufficiently high levels for processing and metal recovery by current extractive technology. Conservation is also important in the reclamation and recycling of indestructible, noncorrosive materials, so that they may be recovered and reused many times over. The mainly physical, relatively uncomplicated, beneficiation treatments also save large quantities of energy, as these comparatively simple operations are all relatively low energy consumers, when compared with the later separation operations of pyro and electrical nature, which are very high energy consumers. Environmentally, both air and water pollution from beneficiation treatments are either quite low or can easily be controlled, and are gas-free and operated at ambient temperature, to make them one of the cleaner and lower polluting processes used in material treatments.
Coal Desulfurization
Author | : S. K. Kawatra |
Publisher | : Taylor & Francis |
Total Pages | : 376 |
Release | : 2001 |
Genre | : Science |
ISBN | : 9789056996963 |
This book was written to provide a comprehensive survey of the current state-of-the-art information in coal preparation, with particular emphasis on coal desulfrization. The primary audience for this book will be practising coal preparation engineers who need complete information about all of the coal preparation and desulphurization technologies that are available now, or that may be available in the future. It will also be valuable for coal researchers who need details and comparative data for cutting-edge technologies that are still under development. The main emphasis is on physical coal preparation, but chapters also include chemical and biological technologies that are under development, but not yet used in industrial practice. Along with the successful technologies, also included are details of processes and techniques that were attempted, but were subsequently abandoned, along with discussions of the reasons they were abandoned.
Advanced Coal Preparation and Beyond
Author | : S. Komar Kawatra |
Publisher | : CRC Press |
Total Pages | : 580 |
Release | : 2020-01-27 |
Genre | : Technology & Engineering |
ISBN | : 1000763544 |
Updating content from the author’s 2001 book Coal Desulfurization, this new title focuses on CO2 sequestration and utilization. It includes information on the theory and practical approaches to CO2 capture and recent advances in the use of sequestered CO2. Avoiding these pollutants requires either forgetting about the 250 billion tons of coal reserves the United States possesses or capturing and utilizing the pollutants in a profitable and environmentally responsible fashion. The book covers postcombustion and precombustion capture approaches for coal, and postcombustion capture can be generalized to many other fuels. Recent practical implementations at full-scale power facilities around the world are discussed. The book covers sequestering CO2 via underground, oceanic, biological, and other long-term CO2 storage methods. It also includes recent advances in utilizing CO2 for enhanced oil recovery, advances in storage with depleted oil and gas reservoirs and deep saline aquifers, and additional topics. The book also examines specific applications of pure CO2 and covers chemical conversion of CO2 to useful compounds. It answers questions like "Can we create methanol from coal?" or "Can we create ethanol from coal?" It is found that methanol and ethanol cannot be sustainably produced from coal power alone. However, oxalic acid can be created at a much lower energy cost than methanol or ethanol. Oxalic acid can be used to extract rare earths, which are not currently produced anywhere in the United States, but are typically concentrated in coal ash. Aimed at researchers and industry professionals in chemical, environmental, and energy engineering, this book provides insight and inspiration into capturing CO2 not merely as a response to regulatory pressure and climate change but as an inherently profitable and valuable venture.
WEEE Recycling
Author | : Alexandre Chagnes |
Publisher | : Elsevier |
Total Pages | : 236 |
Release | : 2016-07-26 |
Genre | : Technology & Engineering |
ISBN | : 0128033649 |
WEEE Recycling: Research, Development, and Policies covers policies, research, development, and challenges in recycling of waste electrical and electronic equipment (WEEE). The book introduces WEEE management and then covers the environmental, economic, and societal applications of e-waste recycling, focusing on the technical challenges to designing efficient and sustainable recycling processes—including physical separation, pyrometallurgical, and hydrometallurgical processes. The development of processes for recovering strategic and critical metals from urban mining is a priority for many countries, especially those having few available ores mining. - Describes the two metallurgical processes—hydro- and pyro-metallurgy—and their application in recycling of metals - Provides a life cycle analysis in the WEEE recycling of metals - Outlines how to determine economic parameters in the recycling of waste metals - Discusses the socio economic and environmental implication of metal recycling
Changing Scopes in Mineral Processing
Author | : M. Kemal |
Publisher | : CRC Press |
Total Pages | : 740 |
Release | : 1996-01-01 |
Genre | : Technology & Engineering |
ISBN | : 9789054108290 |
More than 100 papers originating from 24 countries report the most recent advances in mineral processing and related fields. They represent a coherent combination of subjects from such diverse areas as communication classification, gravity, magnetic and electrostatic separation, flotation fundamentals and technology, hydrometallurgy, coal processing, industrial minerals, gold and silver, modeling, simulation and control, dewatering, agglomeration. Conventional and column flotation, reagent-surface interactions, handling of cyanide containing leach liquors in gold recovery processing of industrial minerals, especially boron minerals, and of coal receive special emphasis. The book is anticipated to be a reference material for those who practice mineral processing, coal preparation, hydrometallurgy, surface chemistry and environmental remediation. .
Contributions to the Data on Theoretical Metallurgy
Author | : Kenneth Keith Kelley |
Publisher | : |
Total Pages | : 938 |
Release | : 1962 |
Genre | : Metallurgy |
ISBN | : |
Final Report on Energy Use Patterns in Metallurgical and Nonmetallic Mineral Processing
Author | : Battelle Memorial Institute. Columbus Laboratories |
Publisher | : |
Total Pages | : 284 |
Release | : 1975 |
Genre | : Energy consumption |
ISBN | : |
Monthly Catalog of United States Government Publications
Author | : United States. Superintendent of Documents |
Publisher | : |
Total Pages | : 792 |
Release | : 1963 |
Genre | : Government publications |
ISBN | : |