coal-combustion-and-gasification

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Coal Combustion And Gasification

Author : L.Douglas Smoot
ISBN : 9781475797213
Genre : Science
File Size : 77. 69 MB
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The use of coal is required to help satisfy the world's energy needs. Yet coal is a difficult fossil fuel to consume efficiently and cleanly. We believe that its clean and efficient use can be increased through improved technology based on a thorough understanding of fundamental physical and chemical processes that occur during consumption. The principal objective of this book is to provide a current summary of this technology. The past technology for describing and analyzing coal furnaces and combus tors has relied largely on empirical inputs for the complex flow and chemical reactions that occur while more formally treating the heat-transfer effects. GrOWing concern over control of combustion-generated air pollutants revealed a lack of understanding of the relevant fundamental physical and chemical mechanisms. Recent technical advances in computer speed and storage capacity, and in numerical prediction of recirculating turbulent flows, two-phase flows, and flows with chemical reaction have opened new opportunities for describing and modeling such complex combustion systems in greater detail. We believe that most of the requisite component models to permit a more fundamental description of coal combustion processes are available. At the same time there is worldwide interest in the use of coal, and progress in modeling of coal reaction processes has been steady.

Pulverized Coal Combustion And Gasification

Author : L. Smoot
ISBN : 9781475716962
Genre : Science
File Size : 49. 90 MB
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viii and approaches could be adapted to other coal conversion and combustion problems, we have not considered combustion or gasification in fluidized or fixed beds or in situ processes. In addition, we have not considered other fossil-fuel combustion problems associated with oil shale, tar sands, etc., even though many aspects of pulverized-coal combustion would relate to these problems. For the case of pulverized-coal models, we have attempted to provide a detailed description of the model foundations. Parts I and II of this book emphasize general principles for describing reacting, turbulent or laminar, multiphase systems. General conservation equations are developed and summarized. The basis for computing thermochemical equilibrium in complex, heterogeneous mixtures is presented, together with techniques for rapid computation and reference to required input data. Rate processes are then discussed, including pertinent aspects of turbulence, chemical kinetics, radiative heat transfer, and gas-particle convective-diffusive interactions. Much of Part II deals with parameters and coefficients for describing these complex rate processes. This part of the book provides recommended values of coefficients and parameters for treating complex reacting flows. Parts I and II may well be suitable for use in an advanced course in reacting flows, and have been written partly with that in mind. Part III deals with more specific aspects of pulverized-coal characteristics and rate processes. Following a general description of coal structure and constitution, coal pyrolysis and char oxidation processes are considered.

Combustion And Gasification Of Coal

Author : A. Williams
ISBN : 131513974X
Genre : Electronic books
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"This book provides an overview of two of the most common uses of coal: combustion and gasification. First, it outlines problems and possible solutions, and then the nature of coal is described. The book goes on to describe the technical aspects of combustion of pulverized coal and the combustion mechanism of coal in fixed, moving, and fluidized beds. Industrial coal combustion applications are then outlined, together with other combustion applications, including co-firing, coal-water, slurries, and briquettes. Finally, gasification of coal, a possible major clean coal technology of the future, is discussed."--Provided by publisher.

Combustion And Gasification Of Coal

Author : A. Williams
ISBN : 1560325496
Genre : Technology & Engineering
File Size : 90. 67 MB
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This book provides an overview of two of the most common uses of coal: combustion and gasification. First, it outlines problems and possible solutions, and then the nature of coal is described. The book goes on to describe the technical aspects of combustion of pulverized coal and the combustion mechanism of coal in fixed, moving, and fluidized beds. Industrial coal combustion applications are then outlined, together with other combustion applications, including co-firing, coal-water, slurries, and briquettes. Finally, gasification of coal, a possible major clean coal technology of the future, is discussed.

Coal Combustion And Gasification

Author : L Douglas Smoot
ISBN : 1475797222
Genre :
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Pulverized Coal Combustion And Gasification Stichworte Teil 1

Author : L. D. Smoot
ISBN : OCLC:1075139210
Genre :
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Combustion Of Pulverised Coal In A Mixture Of Oxygen And Recycled Flue Gas

Author : Dobrin Toporov
ISBN : 9780081000045
Genre : Technology & Engineering
File Size : 43. 32 MB
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Combustion of Pulverised Coal in a Mixture of Oxygen and Recycled Flue Gas focuses on a niche technology, combustion of coal in an oxygen rich environment, which is one approach to obtaining ‘clean coal,’ by making it easier to capture carbon that is released in the combustion process. Toporov’s book breaks ground on covering the key fundamentals of oxycoal technologies, which have not yet been covered in this depth. Combustion of Pulverised Coal in a Mixture of Oxygen and Recycled Flue Gas summarizes the main results from a pioneering work on experimental and numerical investigations of oxyfuel technologies. It provides the theoretical background of the process, the problems to be faced, and the technical solutions that were achieved during these investigations. Summarizes results from investigations of oxyfuel technologies performed at Aachen University, Germany Provides theoretical background, as well as the primary problems of these technologies and how they can be solved

An Overview Of Developments In Coal Combustion And Gasification

Author : Transvaal Coal Owners Association
ISBN : OCLC:105249260
Genre : Coal
File Size : 55. 66 MB
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Coal Combustion And Gasification

Author : Leon Douglas Smoot
ISBN : LCCN:81793785
Genre : Coal
File Size : 24. 3 MB
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Coal Combustion And Gasification Science

Author :
ISBN : OCLC:1066591506
Genre :
File Size : 27. 2 MB
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Fundamentals Of Coal Combustion

Author : Leon Douglas Smoot
ISBN : UOM:39015029453076
Genre : Technology & Engineering
File Size : 48. 43 MB
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This work is a broad, integrated treatment of the fundamentals of coal combustion and gasification. Most of the authors are recognized professionals in the field and all are conducting research work in the Advanced Combustion Engineering Research Center. The focus of the book is on clean and efficient use of coal. Practical chapters on coal processes, including coal technology projects and on acid rain formation control, lay a foundation for the fundamental treatment. The book is comprehensive in its treatment with over 1000 world-wide references, most of which are from the past five years.

Coal Gasification And Its Applications

Author : David A. Bell
ISBN : 1437778518
Genre : Technology & Engineering
File Size : 26. 96 MB
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Skyrocketing energy costs have spurred renewed interest in coal gasification. Currently available information on this subject needs to be updated, however, and focused on specific coals and end products. For example, carbon capture and sequestration, previously given little attention, now has a prominent role in coal conversion processes. This book approaches coal gasification and related technologies from a process engineering point of view, with topics chosen to aid the process engineer who is interested in a complete, coal-to-products system. It provides a perspective for engineers and scientists who analyze and improve components of coal conversion processes. The first topic describes the nature and availability of coal. Next, the fundamentals of gasification are described, followed by a description of gasification technologies and gas cleaning processes. The conversion of syngas to electricity, fuels and chemicals is then discussed. Finally, process economics are covered. Emphasis is given to the selection of gasification technology based on the type of coal fed to the gasifier and desired end product: E.g., lower temperature gasifiers produce substantial quantities of methane, which is undesirable in an ammonia synthesis feed. This book also reviews gasification kinetics which is informed by recent papers and process design studies by the US Department of Energy and other groups, and also largely ignored by other gasification books. • Approaches coal gasification and related technologies from a process engineering point of view, providing a perspective for engineers and scientists who analyze and improve components of coal conversion processes • Describes the fundamentals of gasification, gasification technologies, and gas cleaning processes • Emphasizes the importance of the coal types fed to the gasifier and desired end products • Covers gasification kinetics, which was largely ignored by other gasification books Provides a perspective for engineers and scientists who analyze and improve components of the coal conversion processes Describes the fundamentals of gasification, gasification technologies, and gas cleaning processes Covers gasification kinetics, which was largely ignored by other gasification books

Gasification In Pulverized Coal Flames

Author : Purdue University. Combustion Laboratory
ISBN : STANFORD:36105211264978
Genre :
File Size : 46. 82 MB
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Trace Elements Emissions From Coal Combustion And Gasification

Author : Lee B. Clarke
ISBN : UCSD:31822007909997
Genre : Air
File Size : 74. 40 MB
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Effects Of Coal Combustion And Gasification Process Contaminants On The Neuromuscular System

Author : G.N. Franz
ISBN : OCLC:1139477816
Genre : Combustion, Spontaneous
File Size : 83. 99 MB
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Fundamental Investigation Of Fuel Transformations In Pulverized Coal Combustion And Gasification Technologies

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ISBN : OCLC:68506320
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Some Recent Studies Of Coal Combustion And Gasification

Author : Alberta. Alberta Energy. Research and Technology Branch
ISBN : 0864998546
Genre : Coal
File Size : 40. 72 MB
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Underground Coal Gasification And Combustion

Author : Michael S. Blinderman
ISBN : 9780081003244
Genre : Technology & Engineering
File Size : 37. 15 MB
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Underground Coal Gasification (UCG) is carried out in unmined coal seams, using wells drilled from the surface and converting coal into synthesis gas. The gas can be used for power generation and synthesis of automotive fuels, fertilizers and other products. UCG offers financial, social, and environmental benefits over conventional coal extraction and utilization methods and may play a critical role in ensuring energy security in the future. Underground Coal Gasification and Combustion provides an overview of underground coal gasification technology, its current status and future directions. Comprehensive in approach, the book covers history, science, technology, hydrogeology, rock mechanics, environmental performance, economics, regulatory and commercial aspects of UCG projects. The first book on the subject in forty years, it is unique in analysing more than a century of global UCG developments by experts from Australia, Canada, Poland, Russia, Ukraine, United Kingdom, the USA and Uzbekistan. Provides researchers, engineers, industry, educators and regulators with an authoritative overview of science and practical applications of underground coal gasification technologies Offers insight into efficiency, environmental performance, costs, permitting issues and commercial aspects of UCG projects Written by scientists and practitioners of UCG technology sharing hands-on experience of step-by-step UCG implementation

Ash Formation During Pulverised Coal Combustion And Gasification At Pressure

Author : Hongwei Wu
ISBN : OCLC:1026398839
Genre : Coal
File Size : 52. 13 MB
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Fundamentals Of The Physical Chemistry Of Pulverized Coal Combustion

Author : L Lahaye
ISBN : 9789400936614
Genre : Science
File Size : 89. 28 MB
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The study of coal for the production of energy is certainly not a new area of research. Many research works were carried out to improve the efficiency of industrial and domestic facilities. In the sixties, however, because of the availability and low cost of petroleum, coal consumption decreased and the research effort in this area was minimum. Meanwhile, the situation has totally changed. Considering the reserves of oil and the instability ofregions where they are located, it is becoming absolutely necessary to develop other sources of energy.The major alternative to oil appears to be coal, at least for the near future. Indeed, the reserves known today represent several centuries of energy consumption.!t is therefore becoming urgent to develop efficient and non polluting technologies to produce energy from coal. The main possibilities are : · liquefaction · gasification · directed combustion. Research and development efforts on liquefaction have been considerably reduced because of high cost of technologies involved and poor prospects for the next two decades. Research works on gasification are progressing; it is a promising approach. However, direct combustion either in pulverized coal furnaces or in fluidized beds is the more promising way of expanding rapidly the utilization of coal. These techniques are already used in some facilities but many environmental problems remain, slowing down their development.

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