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Kinetics Of Coal Gasification
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Book Synopsis Kinetics of Coal Gasification by : James L. Johnson
Download or read book Kinetics of Coal Gasification written by James L. Johnson and published by John Wiley & Sons. This book was released on 1979-12-20 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides the best description of coal gasification reactions available today, presenting a series of publications by the late James Lee Johnson that trace his work on the development of coal gasification kinetics. Puts gasification kinetics into perspective for reactor design by discussing gasification thermodynamics, fluidized beds, and the physical characteristics of coals and coal chars for estimating this gasification reactivity. An outstanding reference based on a chaper contributed by Dr. Johnson to CHEMISTRY OF COAL UTILIZATION SUPPLEMENTARY VOLUME 2 (edited by Martin A. Elliot).
Book Synopsis Kinetics of Coal Gasification by : James Lee Johnson
Download or read book Kinetics of Coal Gasification written by James Lee Johnson and published by . This book was released on 1979 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coal Gasification and Its Applications by : David A. Bell
Download or read book Coal Gasification and Its Applications written by David A. Bell and published by William Andrew. This book was released on 2010-12-08 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis Kinetics of Coal Gasification in a Low Pressure, Low Residence Time, Entrained Flow Reactor by : Chiang-liu Chen
Download or read book Kinetics of Coal Gasification in a Low Pressure, Low Residence Time, Entrained Flow Reactor written by Chiang-liu Chen and published by . This book was released on 1973 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Kinetics of Coal Gasification at High Pressure by : Terence William Albert Rampling
Download or read book Kinetics of Coal Gasification at High Pressure written by Terence William Albert Rampling and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coal Combustion and Gasification by : L.Douglas Smoot
Download or read book Coal Combustion and Gasification written by L.Douglas Smoot and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Kinetics of coal gasification reactions at process conditions by :
Download or read book Kinetics of coal gasification reactions at process conditions written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Kinetics of coal gasification under industrial conditions by : Marcel Weeda
Download or read book Kinetics of coal gasification under industrial conditions written by Marcel Weeda and published by . This book was released on 1995 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mathematical Modeling in the Kinetics of Coal Gasification by : Ping-Fu Cheng
Download or read book Mathematical Modeling in the Kinetics of Coal Gasification written by Ping-Fu Cheng and published by . This book was released on 1976 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Gasification by : Christopher Higman
Download or read book Gasification written by Christopher Higman and published by Elsevier. This book was released on 2011-08-30 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gasification is a process that if properly utilized can transform the world in which we live. Comprehensive in its coverage, this second edition continues the tradition of the first by providing engineers and scientists with an up-to-date overview of commercial processes and applications relevant to today's demands. Gasification, 2nd edition is expanded and provides more detail on the integration issues for current generation, state-of-the-art Integrated Gasification Combined Cycles (IGCC); CO2 capture in the IGCC context addressing the issues of pre-investment and retrofitting as well as defining what the term "CO2 capture ready" might mean in practice; issues of plant reliability, availability and maintainability (RAM) including as evaluation of feedback from existing plants; implementation of fuel cell technology in IGCC concepts. All statistics, processes and projects, including descriptions of a number of processes not covered in the previous edition. Up-to-date overview of commercial processes Covers applications relevant to today's demands Addresses the issues of pre-investment and retrofitting Provides more detail on the integration issues for Integrated Gasification
Book Synopsis Kinetics of Powdered Coal Gasification in a Tubular-type Gasifier by : Robert Marion Busche
Download or read book Kinetics of Powdered Coal Gasification in a Tubular-type Gasifier written by Robert Marion Busche and published by . This book was released on 1952 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Science of Victorian Brown Coal by : R.A. Durie
Download or read book The Science of Victorian Brown Coal written by R.A. Durie and published by Butterworth-Heinemann. This book was released on 2013-10-22 with total page 767 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Science of Victorian Brown Coal provides extensive information on Victorian brown coal, which is a major fossil fuel resource by any standard and constitutes about 97% of Victoria's recoverable energy reserves. Energy from brown coal has been the mainstay of the Victorian economy, providing low-cost electricity to the state grid, briquettes as a fuel for industry and town gas prior to the discovery of natural gas. Because of the unique properties of the coal, it has been necessary to develop an in-depth scientific knowledge of the coal and its behavior, as well as innovative technologies for its effective utilization. The economic benefit brown coal has provided to Victoria is demonstrated throughout the chapters. This book aims to provide the springboard for further research and lead to a new era in the development of value-added products and the more efficient utilization of this major resource. This text is a useful reference for students or individuals conducting research on fossil fuel energy, specifically on brown coals.
Book Synopsis Kinetics of Single Stage Coal Gasification to Hydrocarbon Gases by : Kui Liu
Download or read book Kinetics of Single Stage Coal Gasification to Hydrocarbon Gases written by Kui Liu and published by . This book was released on 1993 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Kinetics of Char Gasification Reactions Under Conditions of Underground Coal Gasification by :
Download or read book Kinetics of Char Gasification Reactions Under Conditions of Underground Coal Gasification written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This project is directed toward support studies for the national endeavor on in situ coal gasification. The objective is to determine reaction-controlling variables and reaction kinetics for gasification of chars resulting from pyrolysis of coal in underground gasification. The data obtained from these studies are used in the mathematical modeling of in situ gasification systems, in order to understand and interpret field experimental data and to design future field studies. The reactions being studied include steam-char, CO/sub 2/-char, and water gas shift reactions, as well as methane-producing reactions such as the methanation of CO or the hydrogen-char reaction. The kinetics studies are carried out in a packed bed differential reactor in which steam, H/sub 2/, CO/sub 2/, and/or other reactants are blended with N/sub 2/ to obtain the desired total pressure and partial pressures of reactants. The preparation of the char is carried out immediately prior to gasification in the reactor under conditions of pressure, heating rate, and sweeping gas composition similar to those encountered in underground gasification. The coals studied include Wyodak and Hanna subbituminous coals and Pittsburgh seam high volatile bituminous coal. Kinetic data are reported for the reaction of steam with chars prepared from the Wyodak and Hanna coals. The dependence of the reaction rate on the partial pressures of reactant steam and product hydrogen is described. The temperature dependence of the reaction rates indicates that diffusion of reactants and products through pore structure of Hanna char limits the reaction more severely than in the case of the Wyodak char. The rate of reaction of steam with Wyodak char is approximately 50% greater than the rate observed with the Hanna char. The reaction order with respect to steam at low partial pressures of steam varies from 0.5 to approximately 1. Preliminary information is also reported for reaction of steam with chars prepared from Pittsburgh seam coal.
Book Synopsis Heterogeneous Kinetics of Coal Gasification. Quarterly Technical Progress Report, 1 May 1982-31 July 1982. [Equipment Design]. by :
Download or read book Heterogeneous Kinetics of Coal Gasification. Quarterly Technical Progress Report, 1 May 1982-31 July 1982. [Equipment Design]. written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: During the reporting period significant progress was made on two fronts: (1) the steam addition system for transient steam-char kinetic experiments; and (2) the automated data acquisition system for rapid mass programming (control) of the mass spectrometer and data logging. Steam Addition System: Although it is a relatively straightforward matter to produce steam for the reactor, we found that it is quite a challenge to develop a system capable of maintaining a steady and accurately-known flow rate of steam-argon mixtures at high pressure and temperature in alternate flow circuits (i.e., the reactor and purge lines), while simultaneously protecting downstream valving and instrumentation. Thus, the scheme originally proposed has been modified to eliminate potential operating problems associated with the preliminary design. Automated Data Acquisition System: Although the CO2 gasification data were obtained manually, the ultimate objective of the project to develop a quantitative understanding of the complete gasification rate process in the complex synthesis gas milieux calls for automated programming (control) of the mass spectrometer. In addition, the current mass spectrometer signal processing technique requires the use of a lock-in amplifier to extract the modulated portion of the total signal due to the beam species only, in an analog mode. In order to allow fast scanning of a number of species, the characteristic dwell time required by the lock-in amplifier on a particular mass peak must be decreased. These requirements are being met by implementing automated mass programming and data collection, and direct digital, phase-sensitive pulse counting.
Book Synopsis Computational Modeling of Underground Coal Gasification by : Vivek V. Ranade
Download or read book Computational Modeling of Underground Coal Gasification written by Vivek V. Ranade and published by CRC Press. This book was released on 2019-07-15 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book deals with development of comprehensive computational models for simulating underground coal gasification (UCG). It starts with an introduction to the UCG process and process modelling inputs in the form of reaction kinetics, flow patterns, spalling rate, and transport coefficient that are elaborated with methods to generate the same are described with illustrations. All the known process models are reviewed, and relative merits and limitations of the modeling approaches are highlighted and compared. The book describes all the necessary steps required to determine the techno-economic feasibility of UCG process for a given coal reserve, through modeling and simulation.
Book Synopsis Reaction Kinetics of Powder River Basin Coal Gasification in Carbon Dioxide Using a Modified Drop Tube Reactor by :
Download or read book Reaction Kinetics of Powder River Basin Coal Gasification in Carbon Dioxide Using a Modified Drop Tube Reactor written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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