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Effect Of Sorbent Attrition On Utilization Final Report
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Book Synopsis Effect of Sorbent Attrition on Utilization. Final Report by :
Download or read book Effect of Sorbent Attrition on Utilization. Final Report written by and published by . This book was released on 1993 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective for 1992-1993 was to investigate ways of using chemical attrition to improve dolomitic sorbent utilization for duct injection processes. It is known that one of the primary mechanisms for poor sorbent utilization lies in the fact that the products of SO2-sorbent reactions have such large molar volumes that they plug the pores necessary for SO2 to diffuse into the particle interior. Any method that may cause the fracture of used sorbent particles will thus expose fresh un-reacted surface of sorbent and result in available sorbent recovery. There are several mechanisms that may cause the breakage of particles. External mechanical stress may be exerted on a particle and cause particle fracture when it exceeds the cohesive forces to prevent the breakage. Heat and pressure can also induce particle fracture. In addition, chemical reaction is also a very important factor in leading to particle fracture. Among many sorbents currently used in desulfurization processes, dolomitic lime may be a good candidate for use in medium temperature duct injection. Dolomites are characterized by a large portion of magnesium (instead of high calcium) in the crystal structure of common limestones. Because of the special composition of dolomitic lime and its reactions with flue gas constituents under medium temperature duct injection conditions, a unique structure is formed for spent dolomitic particles that provides for the potential of recovering available sorbent just by hydration-induced particle fracture. By re-injecting the recovered sorbent, it is expected that a high sorbent utilization can be obtained.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994-08 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flue Gas Desulfurization and Industrial Minerals by : M. Michael Miller
Download or read book Flue Gas Desulfurization and Industrial Minerals written by M. Michael Miller and published by . This book was released on 1993 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains 4,101 references on FGD [Flue Gas Desulfurization] ... primarily from 1982 through June 1993. Complements the "Flue Gas Desulfurization and Denitrification" bibliography published by the U.S. Dept. of Energy in Jan. 1985. References were located on the Energy, Science and Technology, Pollution Abstracts, and Environmental Bibliography databases. Primarily covers FGD and the use of industrial minerals in the desulfurization process or in by-product utilization and disposal. Emphasizes post-combustion removal of sulfur dioxide through processes such as in-duct injection and wet and dry scrubbing.
Book Synopsis Ohio Coal Development Agenda by : Ohio. Coal Development Office
Download or read book Ohio Coal Development Agenda written by Ohio. Coal Development Office and published by . This book was released on 1992 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Coal Abstracts written by and published by . This book was released on 1993 with total page 880 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report summaries by : United States. Environmental Protection Agency
Download or read book Report summaries written by United States. Environmental Protection Agency and published by . This book was released on 1983 with total page 1584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fossil Energy Update written by and published by . This book was released on 1977 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental/engineering Support for EPA's FBC Program by :
Download or read book Experimental/engineering Support for EPA's FBC Program written by and published by . This book was released on 1980 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Regeneration of Sulfated Limestone from FBCs by :
Download or read book Regeneration of Sulfated Limestone from FBCs written by and published by . This book was released on 1979 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ERDA Energy Research Abstracts written by and published by . This book was released on 1983 with total page 1144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Kinetics and Structural Evolution of Sorbents at High Temperatures. Final Report, September 1, 1992--August 31, 1993 by :
Download or read book Kinetics and Structural Evolution of Sorbents at High Temperatures. Final Report, September 1, 1992--August 31, 1993 written by and published by . This book was released on 1993 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt: The focus of this project is on furnace sorbent injection technology using dry, calcium-based sorbents for flue gas desulfurization. The goal is to provide fundamental research kinetics and the effects of sorbent properties, aimed at improving SO2 removal and increasing sorbent utilization in a cost-effective fashion. The main focus of the third year work has been to obtain fundamental kinetic data for calcination, sintering and sulfation of calcium hydroxide sorbent. The results, their interpretation, and discussions are the primary focus of this report. Other major portions of this year's work covered in the report include the additions and modifications made to the experimental system, and preliminary results of the studies with modified Ca(OH)2. Most of the reactor system and the analytical and measurement techniques were developed in the second year and formed the necessary framework for realizing the project goal. A few design and experimental constraints necessitated modifications and additions which were made in the beginning of this year. A continuous micro-feeder was built in order to feed very small quantities of sorbent, which is essential to maintain differential conditions with respect to SO2 during sulfation experiments. The particle collection probe was modified with an insulating ceramic cover and cap, in order to reduce its cooling effect and achieve better isothermality within the reactor. A cascade cyclone sampler was added to replace the impactor because the particle loading capacity of the impactor was not sufficient to hold enough powder required for post-reaction analyses.
Book Synopsis Support studies in fluidized-bed combustion by :
Download or read book Support studies in fluidized-bed combustion written by and published by . This book was released on 1980 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmental Pollution & Control by :
Download or read book Environmental Pollution & Control written by and published by . This book was released on 1991 with total page 706 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Regeneration of Sulfated Limestone from FBCs by : Argonne National Laboratory. Chemical Engineering Division
Download or read book Regeneration of Sulfated Limestone from FBCs written by Argonne National Laboratory. Chemical Engineering Division and published by . This book was released on 1979 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Limestones and Dolostones for Use as Sorbents in Atmospheric Pressure Circulating Fluidized-bed Combustors by : Joel L. Morrison
Download or read book Evaluation of Limestones and Dolostones for Use as Sorbents in Atmospheric Pressure Circulating Fluidized-bed Combustors written by Joel L. Morrison and published by . This book was released on 1994 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1983 with total page 1370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Book Synopsis Processing and Utilization of High-sulfur Coals IV by : Patrick R. Dugan
Download or read book Processing and Utilization of High-sulfur Coals IV written by Patrick R. Dugan and published by Elsevier Publishing Company. This book was released on 1991 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings comprise peer-reviewed articles summarizing the most recent progress made by many of the leaders of high-sulfur coal research and development in the past two years. Four papers cover the conversion of coals to liquid and gaseous products both as a means of removing sulfur and for increasing the utility and value of the coal. Improvements in coal cleaning technology by application of biological, physical and chemical processes, as well as combinations of these methods are reported. Methods of beneficiation including the emerging electrochemical and ultrasonic approaches are also presented. Several papers cover the fundamentals and applications of flotation as a technique for separating the sulfur from the carbon content of coal once the sulfur has been liberated from the coal matrix. One paper describes a microbial process for removing solubilized iron and sulfur (as sulfate) that have been liberated from coal. Eight contributions deal with the various aspects of cleaning potential atmospheric contaminants from coal combustion gasses.The book will be of particular interest and benefit to researchers, graduate students and all persons involved in coal production, processing and utilization; public policy making and administration related to energy conservation, economic development, and environmental protection; and investors in industry and new technology.
