Advances in Coal Beneficiation and Analysis
Author | : University of Pittsburgh |
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Total Pages | : |
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Author | : University of Pittsburgh |
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Author | : Suman P. N. Singh |
Publisher | : |
Total Pages | : |
Release | : 1978 |
Genre | : |
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Author | : Energy and Environmental Analysis, inc |
Publisher | : |
Total Pages | : 88 |
Release | : 1978 |
Genre | : Desulfurization |
ISBN | : |
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 183 |
Release | : 2007-12-21 |
Genre | : Science |
ISBN | : 030911022X |
Coal will continue to provide a major portion of energy requirements in the United States for at least the next several decades. It is imperative that accurate information describing the amount, location, and quality of the coal resources and reserves be available to fulfill energy needs. It is also important that the United States extract its coal resources efficiently, safely, and in an environmentally responsible manner. A renewed focus on federal support for coal-related research, coordinated across agencies and with the active participation of the states and industrial sector, is a critical element for each of these requirements. Coal focuses on the research and development needs and priorities in the areas of coal resource and reserve assessments, coal mining and processing, transportation of coal and coal products, and coal utilization.
Author | : Rajesh Kumar Jyothi |
Publisher | : Springer Nature |
Total Pages | : 665 |
Release | : 2021-05-10 |
Genre | : Technology & Engineering |
ISBN | : 3030685020 |
This book presents the state of art of the several advanced approaches to beneficiation of coal. The influence of recent technology attains the advantages of processing coal, purification studies, rheological behavior, and the mineral beneficiation. The experts collected in this volume have contributed significantly to the enrichment in the in depth knowledge not only in context of working knowledge, but also future prospects of clean coal technology.
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Release | : 1978 |
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Coal beneficiation as a means of reducing the sulfur and the ash content of coal is receiving increasing attention in the nation's drive to switch from the use of oil and gas to coal to meet the nation's energy requirements. However, increasingly stringent environmental controls are being placed on coal-burning plants. This paper briefly reviews current coal beneficiation practices and the advances in coal beneficiation technology that are being developed to significantly reduce the sulfur content of many high-sulfur coals. Technical and economic comparisons are presented for two currently used and two more recently developed coal beneficiation processes. The comparisons are based on conceptual process designs (developed on a common basis) for beneficiation plants designed to produce 1500 and 15,000 tons of moisture- and ash-free (MAF) coal per day. Three high-sulfur coals from significant U.S. coal-producing regions were chosen as feed coals to the conceptual plants. Results are presented for both ''grassroots'' and battery-limits-type beneficiation plants. The following conclusions may be drawn regarding the four beneficiation processes evaluated: 1. Wet mechanical beneficiation processes represent the least-cost methods. Costs for the chemical beneficiation processes are significantly higher. 2. Chemical beneficiation processes have the potential for effecting much greater sulfur reduction than the wet mechanical beneficiation processes. This is significant when considering the much lower SO/sub x/ emission levels that are being promulgated for coal-burning plants.
Author | : J. F. McClelland |
Publisher | : |
Total Pages | : 7 |
Release | : 1989 |
Genre | : Coal |
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Author | : S. Chander |
Publisher | : |
Total Pages | : 392 |
Release | : 1989 |
Genre | : Technology & Engineering |
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Author | : D.V. Subba Rao |
Publisher | : CRC Press |
Total Pages | : 536 |
Release | : 2016-05-05 |
Genre | : Technology & Engineering |
ISBN | : 1498778593 |
This book is a direct outgrowth of classes that the authors gave over a period of three decades to a university audience taking a Mineral Beneficiation course as a major that included coal processing and utilization. It is designed to be used as a student's (or layman's) first introduction to coal processing and utilization, motivating the concepts
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Total Pages | : 7 |
Release | : 1989 |
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Preliminary FTIR spectra are reported on coals undergoing flotation where enhanced recovery was achieved by ultrasonic or chemical treatments. The spectra of sonicated coals indicate that ultrasonic treatment (10 kHz Swen Sonic) reduces the surface oxidation of heavily oxidized coal. Spectra of chemically treated coal indicate that a higher mineral concentration is present on or near the surface of float coal suggesting that a slime might be present. Spectra are reported for coal-, mineral-, and crystal-derived pyrite which show a strong absorbance band at 420 cm−1. Spectra of eight Argonne Premium Coal Library specimens have been examined in the 420 cm−1 spectral region and are found to have numerous overlapping bands. 4 figs.