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Author : Jeffrey Lynn Siler
Release : 1983
Genre : Heavy metals
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Book Synopsis Leaching Behavior of Metals from Raw and Retorted Eastern Oil Shales by : Jeffrey Lynn Siler
Download or read book Leaching Behavior of Metals from Raw and Retorted Eastern Oil Shales written by Jeffrey Lynn Siler. This book was released on 1983. Available in PDF, EPUB and Kindle. Book excerpt:
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Release : 1992
Genre :
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Book Synopsis Physical and Thermal Properties and Leaching Characteristics of a Beneficiated Eastern Oil Shale Hydroretorted in the PFH Process by :
Download or read book Physical and Thermal Properties and Leaching Characteristics of a Beneficiated Eastern Oil Shale Hydroretorted in the PFH Process written by . This book was released on 1992. Available in PDF, EPUB and Kindle. Book excerpt: The preferred feedstocks for the Institute of Gas Technology's (IGT) Pressurized Fluidized-Bed Hydroretorting (PFH) process are beneficiated Eastern US oil shales. After hydroretorting, the beneficiated shale is combusted to generate process and export power. Before hydroretorting and after combustion the shale will be stored in large embankments. The design and characteristics of these embankments depends on the physical, thermal, and leaching properties of the raw and spent shales. IGT and the Illinois Institute of Technology conducted tests to determine the physical and thermal properties and leaching characteristics of samples of beneficiated and thermally processed Alabama shale. The physical and thermal properties determined include permeability, compressibility, compactability, consolidation, shear stress, cohesion, thermal conductivity, and liquid and plastic limits. Tests were conducted on samples of raw, hydroretorted, hydroretorted and combusted (H & C), and the results show that the physical properties of raw and thermally processed beneficiated shale are considerably different. Leachability test results show that none of the thermally processed shale samples exhibited the toxicity characteristic [per the Toxicity Characteristic Leaching Procedure (TCLP)]. Combustion and agglomeration reduced the levels of metals leached from the H & C and H & A shale samples during TCLP tests. Overall, storage of raw and spent beneficiated shales in embankments will not result in significant environmental impacts.
Author : Wade H. Shafer
Release : 2012-12-06
Genre : Science
Kind : eBook
Book Rating : 192/5 ( reviews)
Book Synopsis Masters Theses in the Pure and Applied Sciences by : Wade H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1 957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 28 (thesis year 1 983) a total of 10,661 theses titles from 26 Canadian and 197 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 28 reports theses submitted in-1983, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
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Release : 1981
Genre :
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Book Synopsis Correlation of Mineralogy and Trace Element Leaching Behavior in Modified in Situ Spent Shales from Logan Wash, Colorado by :
Download or read book Correlation of Mineralogy and Trace Element Leaching Behavior in Modified in Situ Spent Shales from Logan Wash, Colorado written by . This book was released on 1981. Available in PDF, EPUB and Kindle. Book excerpt: Oil shale retorting induces mineral and chemical reactions to occur on the macroscopic and microscopic levels in the kerogen-bearing marlstone. The nature and extent of the reactions is dependent upon process variables such as maximum temperature, time at temperature, atmosphere, and raw shale composition. This report describes the investigation of the mineral, chemical, and trace element release properties of spent shales retrieved from an experimental in situ retort at Occidental Oil Shale, Inc.'s Logan Wash site in Garfield County, Colorado. Correlation between mineralogy of the spent materials and the mobility of major, minor, and trace elements are indicated, and relationships with important process parameters are discussed. The progress of carbonate decomposition reactions and silication reactions is indicative of the processing conditions experienced by the shale materials and influences the mobility of major, minor, and trace elements when the solids are contacted by water. Shale minerals that are exposed to the extreme conditions reached in underground retorting form high temperature product phases including akermanite-gehlenite and diopside-augite solid solutions, kalsilite, monticellite, and forsterie. The persistence of relatively thermally stable phases, such as quartz, orthoclase, and albite provide insight into the extremes of processing conditions experienced by the spent shales. Leachate compositions suggest that several trace elements, including vanadium, boron, fluoride, and arsenic are not rendered immobile by the formation of the high-temperature silicate product phase akermanite-gehlenite.
Author : David B. McWhorter
Release : 1984
Genre : Leachate
Kind : eBook
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Book Synopsis Quality and quantity of leachate from raw mined Colorado oil shale by : David B. McWhorter
Download or read book Quality and quantity of leachate from raw mined Colorado oil shale written by David B. McWhorter. This book was released on 1984. Available in PDF, EPUB and Kindle. Book excerpt:
