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Sorbent Preparation Modification Additives Final Report September 1 1992 November 30 1993
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Book Synopsis Sorbent Preparation/modification/additives. Final Report, September 1, 1992--November 30, 1993 by :
Download or read book Sorbent Preparation/modification/additives. Final Report, September 1, 1992--November 30, 1993 written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Sorbent preparation techniques used today have generally been adapted from techniques traditionally used by the lime industry. Traditional dry hydration and slaking processes have been optimized to produce materials intended for use in the building industry. These preparation techniques should be examined with an eye to optimization of properties important to the SO[sub 2] capture process. The study of calcium-based sorbents for sulfur dioxide capture is complicated by two factors: (1) little is known about the chemical mechanisms by which the standard sorbent preparation and enhancement techniques work, and (2) a sorbent preparation technique that produces a calcium-based sorbent that enjoys enhanced calcium utilization in one regime of operation [flame zone (>2400 F), in-furnace (1600--2400 F), economizer (800--1100 F), after air preheater (
Download or read book Energy Research Abstracts written by and published by . This book was released on 1995 with total page 782 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 Sorbent Utilization Studies Using a Mini-pilot Spray Dryer. Final Report, 1 September 1992--31 August 1993 by :
Download or read book Sorbent Utilization Studies Using a Mini-pilot Spray Dryer. Final Report, 1 September 1992--31 August 1993 written by and published by . This book was released on 1993 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main body of the report consists of four parts: 1. additives to change process chemistry for SO2 absorption by Ca(OH)2 slurry; 2. recycle tests and hydration of fly ash with Ca(OH)2 to increase reactivity; 3. limestone as an alternative sorbent and additive effects; 4. physical and chemical model developments for some of the additive effects and spray dryer mathematical model application. As the concentration of SO2 in the flue gases increases, the SO2 removal efficiency will go down. Additives such as delinquent salts (NaOH, NaCl, and NaHCO3) have been shown to improve SO2 uptake, and these additive tests have indicated that SO2 uptake may be increased by as much as 60% over baseline conditions. Other additives such as H2O2, sugar, and some organic acids which can change the chemical reaction processes are suggested and tested, and some promising results have been obtained. Recycle has been shown to increase sorbent utilization by allowing partially reacted sorbent to react further with the SO2 in the flue gases. Two types of Ohio coal fly ashes have been extensively studied, and improvement of utilization in spray dryer flue gas desulfurization has been demonstrated. Limestone represents an area where significant cost savings can be realized. The spray dryer tests were designed to provide some results for understanding the magnitude of the limestone performance in the spray dryer system and the additive effects. The additive effects on increasing SO2 absorption by Ca(OH)2 slurry were investigated, and the chemical and physical properties of these tested additives were studied. Some models have been formed to explain the additive phenomena.
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 1994 with total page 1368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Additives for Coatings by : Johan Bieleman
Download or read book Additives for Coatings written by Johan Bieleman and published by John Wiley & Sons. This book was released on 2008-09-26 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: No doubt: A perfect coating has to look brilliant! But other properties of coatings are also most important. Coatings have to be durable, tough and easily applicable. Additives are the key to success in achieving these characteristics, even though the amounts used in coating formulations are small. It is not trivial at all to select the best additives. In practice, many series of tests are often necessary, and the results do not explain, why a certain additive improves the quality of a coating and another one impairs the coating. This book is dedicated to developers and applicants of coatings working in research or production, and it is aimed at providing a manual for their daily work. It will answer the following questions: How do the most important groups of additives act? Which effects can be be achieved by their addition? Scientific theories are linked to practical applications. Emphasis is put on the optical aspects that are most important for the applications in practice. This book is a milestone in quality assurance in the complete field of coatings!
Book Synopsis Standard Methods for the Examination of Water and Wastewater by : American Public Health Association
Download or read book Standard Methods for the Examination of Water and Wastewater written by American Public Health Association and published by . This book was released on 1981 with total page 1254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Food Additives written by A. Larry Branen and published by CRC Press. This book was released on 2001-11-01 with total page 1058 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offering over 2000 useful references and more than 200 helpful tables, equations, drawings, and photographs, this book presents research on food phosphates, commercial starches, antibrowning agents, essential fatty acids, and fat substitutes, as well as studies on consumer perceptions of food additives. With contributions from nearly 50 leading international authorities, the Second Edition of Food Additives details food additives for special dietary needs, contemporary studies on the role of food additives in learning, sleep, and behavioral problems in children, safety and regulatory requirements in the U.S. and the European Union, and methods to determine hypersensitivity.
Book Synopsis Toxicological Profile for Polycyclic Aromatic Hydrocarbons by :
Download or read book Toxicological Profile for Polycyclic Aromatic Hydrocarbons written by and published by . This book was released on 1995 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Toxicological Profile for Styrene by :
Download or read book Toxicological Profile for Styrene written by and published by . This book was released on 1992 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Test Methods for Evaluating Solid Waste: Field manual by :
Download or read book Test Methods for Evaluating Solid Waste: Field manual written by and published by . This book was released on 1986 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1993 with total page 1326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Toxicological Profile for Asbestos (Update) by : G. Douglas Hanley
Download or read book Toxicological Profile for Asbestos (Update) written by G. Douglas Hanley and published by DIANE Publishing. This book was released on 2011 with total page 441 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a print on demand edition of a hard to find publication. Asbestos is a group of 6 different fibrous minerals that occur naturally in the environment. All forms of asbestos are hazardous, and all can cause cancer. This profile includes: (1) The exam¿n. and interpretation of toxicologic info. and epidemiological eval¿s. on asbestos to ascertain the levels of human exposure for the substance and its health effects; (2) A determination of whether adequate info. on the health effects of asbestos is available or in the process of development to determine levels of exposure that present a significant risk to human health; and (3) Where appropriate, identification of toxicologic testing needed to identify the types or levels of exposure that may present significant risk of adverse health effects in humans. Charts and tables.
Book Synopsis Monitoring for Gaseous Pollutants in Museum Environments by : Cecily M. Grzywacz
Download or read book Monitoring for Gaseous Pollutants in Museum Environments written by Cecily M. Grzywacz and published by Getty Publications. This book was released on 2006-09-01 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: With an emphasis on passive sampling, this volume focuses on the environmental monitoring for common gaseous pollutants. It offers an overview of the history and nature of pollutants of concern to museums and the challenges facing scientists, conservators, and managers seeking to develop target pollutant guidelines to protect cultural property.
Book Synopsis Guide for the Care and Use of Laboratory Animals by : National Research Council
Download or read book Guide for the Care and Use of Laboratory Animals written by National Research Council and published by National Academies Press. This book was released on 2011-01-27 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: A respected resource for decades, the Guide for the Care and Use of Laboratory Animals has been updated by a committee of experts, taking into consideration input from the scientific and laboratory animal communities and the public at large. The Guide incorporates new scientific information on common laboratory animals, including aquatic species, and includes extensive references. It is organized around major components of animal use: Key concepts of animal care and use. The Guide sets the framework for the humane care and use of laboratory animals. Animal care and use program. The Guide discusses the concept of a broad Program of Animal Care and Use, including roles and responsibilities of the Institutional Official, Attending Veterinarian and the Institutional Animal Care and Use Committee. Animal environment, husbandry, and management. A chapter on this topic is now divided into sections on terrestrial and aquatic animals and provides recommendations for housing and environment, husbandry, behavioral and population management, and more. Veterinary care. The Guide discusses veterinary care and the responsibilities of the Attending Veterinarian. It includes recommendations on animal procurement and transportation, preventive medicine (including animal biosecurity), and clinical care and management. The Guide addresses distress and pain recognition and relief, and issues surrounding euthanasia. Physical plant. The Guide identifies design issues, providing construction guidelines for functional areas; considerations such as drainage, vibration and noise control, and environmental monitoring; and specialized facilities for animal housing and research needs. The Guide for the Care and Use of Laboratory Animals provides a framework for the judgments required in the management of animal facilities. This updated and expanded resource of proven value will be important to scientists and researchers, veterinarians, animal care personnel, facilities managers, institutional administrators, policy makers involved in research issues, and animal welfare advocates.
Download or read book Cumulated Index Medicus written by and published by . This book was released on 1993 with total page 1420 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Onsite Wastewater Treatment Systems Manual by :
Download or read book Onsite Wastewater Treatment Systems Manual written by and published by . This book was released on 2002 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This manual contains overview information on treatment technologies, installation practices, and past performance."--Introduction.
