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Combustion Characterization Of Coal Fines Recovered From The Handling Plant Quarterly Report April 1 1996 June 30 1996
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Book Synopsis Combustion Characterization of Coal Fines Recovered from the Handling Plant. Quarterly Report, April 1, 1996--June 30, 1996 by :
Download or read book Combustion Characterization of Coal Fines Recovered from the Handling Plant. Quarterly Report, April 1, 1996--June 30, 1996 written by and published by . This book was released on 1996 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: The coal-water slurry fuel, plant coal, recovered coal fines and ash deposits are analyzed for elemental oxides. SiO2 oxide was found to be the most dominating oxide element with more than 55 percent by weight in all cases. Additionally, the slurry fuel and its feedstocks were studied for particle size distribution. The maximum percentage of the particles by weight was found to be in the size range of 36 to 88 microns, 3 to 27 microns and 9 to 77 microns for plant coal, recovered coal fines and coal-water slurry respectively.
Book Synopsis Combustion Characterization of Coal Fines Recovered from the Handling Plant. Quarterly Technical Progress Report No. 8, July 1, 1996-- September 30, 1996 by :
Download or read book Combustion Characterization of Coal Fines Recovered from the Handling Plant. Quarterly Technical Progress Report No. 8, July 1, 1996-- September 30, 1996 written by and published by . This book was released on 1996 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combustion tests were conducted to determine the range of secondary air swirl required to maintain a stable combustion flame. Results obtained during the flame stability testing shows no significant effect of swirl settings on NO(subscript x), SO2 and CO2 for three combustion tests(834,330 Btu/hr, 669,488 Btu/hr, 508,215 Btu/hr). At each of the two higher firing rates, combustion was relatively complete regardless of swirl settings, therefore, burner settings may be adjusted to provide a visually stable flame without concern for higher carbon in ash as a function of burner settings. The parameters affecting flame stability are mainly coal particle size, volatile matter, ash content and excess air. tests conducted at three different locations (Top, Middle, Bottom) revealed that the gaseous concentrations such as NO(subscript x), SO2 and CO2 were a function of residence time for each of the firing rates.
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Book Synopsis Combustion Characterization of Coal Fines Recovered from the Handling Plant. Quarterly Technical Progress Report No. 3, April 1, 1995--June 31, 1995 by :
Download or read book Combustion Characterization of Coal Fines Recovered from the Handling Plant. Quarterly Technical Progress Report No. 3, April 1, 1995--June 31, 1995 written by and published by . This book was released on 1995 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Littoral, spectacle du Théâtre O Parleur by :
Download or read book Littoral, spectacle du Théâtre O Parleur written by and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Combustion Characterization of Coal Fines Recovered from the Handling Plant by :
Download or read book Combustion Characterization of Coal Fines Recovered from the Handling Plant written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Beilageheft zu Bd. 11 der Zeitschrift für die gesamte Strafrechtswissenschaft, Halle a. d. Saale, den 25. und 26 März 1891 by :
Download or read book Beilageheft zu Bd. 11 der Zeitschrift für die gesamte Strafrechtswissenschaft, Halle a. d. Saale, den 25. und 26 März 1891 written by and published by . This book was released on 1891 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Combustion Characterization of Coal Fines Recovered from the Handling Plant. Quarterly Technical Progress Report No. 5, October 1, 1995--December 31, 1995 by :
Download or read book Combustion Characterization of Coal Fines Recovered from the Handling Plant. Quarterly Technical Progress Report No. 5, October 1, 1995--December 31, 1995 written by and published by . This book was released on 1996 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main goal of this research project is to evaluate the combustion characteristics of the slurry fuels prepared from the recovered coal fines and plant coal fines. A specific study was completed which collected data on combustion behavior, flame stability, ash behavior, emissions of SO2 and NO(subscript x), and particulate in a well insulated laboratory scale furnace. In addition, the residence time and temperature history of the burning particles are similar to that of utility boiler furnace at 834,330 Btu/hr input at an average of 15% excess air. The slurry fuel was prepared at 53.5% solid to match the generic slurry properties. The coal blend was prepared using a mixture of 15% wet milled pond fines and 85% plant fines. Combustion characteristics of the slurry fuels were determined at three different firing rates: 834,330 Btu/hr, 669,488 Btu/hr, and 508,215 Btu/hr. Finally, a comparison of the results will be developed for determining the advantages of coal-water slurry fuel over the plant coal blend form.
Book Synopsis Combustion Characterization of the Blend of Plant Coal and Recovered Coal Fines by :
Download or read book Combustion Characterization of the Blend of Plant Coal and Recovered Coal Fines written by and published by . This book was released on 1991 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this proposed research program is to determine the combustion characteristics of the blend derived from mixing a plant coal and recovered and clean coal fines from the pond. During this study, one plant coal and three blend samples will be prepared and utilized. The blend samples will be of a mixture of 90% plant coal + 10% fines, 85% plant coal + 15% fines, 80% plant coal + 20% fines having particle size distribution of 70% passing through -200 mesh size. These samples' combustion behavior will be examined in two different furnaces at Penn State University, i.e., a down-fired furnace and a drop-tube furnace. The down-fired furnace will be used mainly to measure the emissions and ash deposition study, while the drop tube furnace will be used to determine burning profile, combustion efficiency, etc. This report covers the first quarter's progress. Major activities during this period were focused on finding the plants where a demo MTU column will be installed to prepare the samples needed to characterize the combustion behavior of slurry effluents. Also, a meeting was held at Penn State University to discuss the availability of the laboratory furnace for testing the plant coal/recovered coal fines blends.
Book Synopsis Combustion Characterization of the Blend of Plant Coal and Recovered Coal Fines. Technical Report, September 1--November 30, 1991 by :
Download or read book Combustion Characterization of the Blend of Plant Coal and Recovered Coal Fines. Technical Report, September 1--November 30, 1991 written by and published by . This book was released on 1991 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this proposed research program is to determine the combustion characteristics of the blend derived from mixing a plant coal and recovered and clean coal fines from the pond. During this study, one plant coal and three blend samples will be prepared and utilized. The blend samples will be of a mixture of 90% plant coal + 10% fines, 85% plant coal + 15% fines, 80% plant coal + 20% fines having particle size distribution of 70% passing through -200 mesh size. These samples' combustion behavior will be examined in two different furnaces at Penn State University, i.e., a down-fired furnace and a drop-tube furnace. The down-fired furnace will be used mainly to measure the emissions and ash deposition study, while the drop tube furnace will be used to determine burning profile, combustion efficiency, etc. This report covers the first quarter's progress. Major activities during this period were focused on finding the plants where a demo MTU column will be installed to prepare the samples needed to characterize the combustion behavior of slurry effluents. Also, a meeting was held at Penn State University to discuss the availability of the laboratory furnace for testing the plant coal/recovered coal fines blends.
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 1996 with total page 996 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Combustion Characterization of the Blend of Plant Coal and Recovered Coal Fines. [Quarterly] Technical Report, March 1, 1992--May 31, 1992 by :
Download or read book Combustion Characterization of the Blend of Plant Coal and Recovered Coal Fines. [Quarterly] Technical Report, March 1, 1992--May 31, 1992 written by and published by . This book was released on 1992 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this proposed research program is to determine the combustion characteristics of the blend derived from mixing a plant coal and recovered and clean coal fines from the pond. One plant coal and three blend samples will be prepared and utilized. The blend samples will be of a mixture of 90% plant coal + 10% fines, 85% plant coal + 15% fines, 80% plant coal + 20% fines having particle size distribution of 70% passing through -200 mesh size. These samples' combustion behavior will be examined in two different furnaces at Penn State University, i.e., a down-fired furnace and a drop-tube furnace. The down-fired furnace win be used mainly to measure the emissions and ash deposition study, while the drop tube furnace will be used to determine burning profile, combustion efficiency, etc. The burning profile of the plant coal and the three blends was determined in a thermogravimetric analyzer. Results indicated slower burning of the blends due to low volatile matter and oxidized coal particles. Ash fusing temperatures of the samples were determined using ASTM procedure. Preliminary combustion evaluation of the samples (100% plant coal, 80% plant coal/20% recovered coal fines) indicated that the flame was stable at 100,000-200,000 Btu/hr firing rate. Carbon conversion efficiency of 85 to 90% was recorded using the Ash Tracer technique. Tests are continuing to determine the operating boundaries for these blends while measuring the emissions of SO(subscript x), NO(subscript x), CO and O2, maintaining a stable flame.
Book Synopsis Ex actis synodicis et aliis ... expositio eorum, quae theologi academiae VVitebergensis monuerint ... by :
Download or read book Ex actis synodicis et aliis ... expositio eorum, quae theologi academiae VVitebergensis monuerint ... written by and published by . This book was released on 1559 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Book Synopsis Combustion Characterization of the Blend of Plant Coal and Recovered Coal Fines. Technical Report, December 1, 1991--February 29, 1992 by :
Download or read book Combustion Characterization of the Blend of Plant Coal and Recovered Coal Fines. Technical Report, December 1, 1991--February 29, 1992 written by and published by . This book was released on 1992 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this proposed research program is to determine the combustion characteristics of the blend derived from mixing a plant coal and recovered and clean coal fines from the pond. During this study, one plant coal and three blend samples will be prepared and utilized. The blend samples will be of a mixture of 90% plant coal + 10% fines, 85% plant coal + 15% fines, 80% plant coal + 20% fines having particle size distribution of 70% passing through -200 mesh size. These samples' combustion behavior will be examined in two different furnaces at Penn State University, i.e., a down-fired furnace and a drop-tube furnace. The down-fired furnace will be used mainly to measure the emissions and ash deposition study, while the drop tube furnace will be used to determine burning profile, combustion efficiency, etc.
Book Synopsis Combustion Characterization of the Blend of Plant Coal and Recovered Coal Fines. Final Technical Report, September 1, 1991--August 31, 1992 by :
Download or read book Combustion Characterization of the Blend of Plant Coal and Recovered Coal Fines. Final Technical Report, September 1, 1991--August 31, 1992 written by and published by . This book was released on 1992 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this proposed research program was to determine the combustion characteristics of the blend derived from mixing a plant coal and recovered and clean coal fines from the pond. During this study, one plant coal and three blend samples were prepared as 100% plant coal, 90% plant coal/10% fines, 85% plant coal/15% fines, and 80% plant coal /20% fines with a particle size distribution of 70% passing through -200 mesh size. The plant coal and recovered coal fines were obtained from the Randolph Preparation Plant of Peabody Coal Co., Marissa, IL. These samples' combustion behavior will be examined in two different furnaces at Penn State University, i.e., a down-fired furnace and a drop-tube furnace. The down-fired furnace was used mainly to measure the emissions and ash deposition study, while the drop tube furnace was used to determine burning profile, combustion efficiency, etc. The burning profile of the plant coal and the three blends was determined in a thermogravimetric analyzer. Results indicated slower burning of the blends due to low volatile matter and oxidized coal particles. Combustion emissions of these samples were determined in the down-fired combustor, while relative ignition temperatures were determined in the drop tube furnace. Chemical composition of ashes were analyzed to establish a correlation with their respective ash fusion temperatures. Overall study of these samples suggested that the blended samples had combustion properties similar to the original plant coal. In other words, flames were stable under identical firing rates of approximately 200,000 Btu's/hr and 25% excess air. CO, NO(subscript x), and SO(subscript x), were similar to each other and within the experimental error. Combustion efficiency of 99% was achievable. Ash chemical analysis of each sample revealed that slagging and fouling should not be different from each other.
Book Synopsis Control of Trace Metal Emissions During Coal Combustion. Technical Progress Report, April 1, 1996--June 30, 1996 by :
Download or read book Control of Trace Metal Emissions During Coal Combustion. Technical Progress Report, April 1, 1996--June 30, 1996 written by and published by . This book was released on 1996 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emissions of toxic trace metals in the form of metal fumes or submicron particulates from a coal-fired combustion source have received greater environmental and regulatory concern over the past years. Current practice of controlling these emissions is to collect them at the cold-end of the process by air-pollution control devices (APCDs) such as electrostatic precipitators and baghouses. However, trace metal fumes may not always be effectively collected by these devices because the formed fumes are extremely small. The proposed research is to explore the opportunities for improved control of toxic trace metal emissions, alternatively, at the hot-end of the coal combustion process, i.e., in the combustion chamber. The technology proposed is to prevent the metal fumes from forming during the process, which would effectively eliminate the metal emission problems. Specifically, the technology is to employ suitable sorbents to (1) reduce the amount of metal volatilization during combustion and (2) capture volatilized metal vapors. The objectives of the project are to demonstrate the technology and to characterize the metal capture process during coal combustion in a fluidized bed combustor. The observed experimental results indicated that metal capture by sorbents can be as high as 91% depending on the metal species and sorbent involved. All three sorbents tested, i.e., bauxite, zeolite and lime, were observed to be capable of capturing lead and cadmium in a various degree. Zeolite and lime were able to capture chromium. Results from thermodynamic equilibrium simulations suggested the formation of metal-sorbent compounds such as Pb2SiO4(s), CdAl2O4(s) and CdSiO3(s) under the combustion conditions. Additional experiments are being carried out to provide more statistically representative results for better understanding the metal capture process.
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