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Simultaneous So2 No3 Abatement Using Zeolite Supported Copper Quarterly Progress Report January 1 1995 March 31 1995
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Book Synopsis Simultaneous SO2/NO3 Abatement Using Zeolite-supported Copper. Quarterly Progress Report, January 1, 1995--March 31, 1995 by :
Download or read book Simultaneous SO2/NO3 Abatement Using Zeolite-supported Copper. Quarterly Progress Report, January 1, 1995--March 31, 1995 written by and published by . This book was released on 1995 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: We have significantly improved on our earlier results with a copper-impregnated alumina, obtaining reproducible results for the impregnation procedure and linear behavior with solution concentration of the precursor. The copper acetylacetonate precursor is adsorbed molecularly onto the alumina surface, with no noticeable decomposition. The adsorbed complex appears to form layers on the alumina surface, similar to results found using the same complex with a silica substrate. The materials start out as light blue powders, and after oxidation are light green. Using infrared spectroscopy, we have examined the in situ adsorption and oxidation of SO2 on the oxidized sorbent, which is dispersed copper oxide supported on aluminum oxide, and have observed that the initial species formed correspond to aluminum sulfate and aluminum sulfate. The sulfate is formed at temperatures much lower than similar experiments studying SO2 adsorption on alumina and sodium-doped alumina. As a result of oxidation, the adsorbed sulfur species, which begin as aluminum sulfate and sulfate, are converted to copper sulfate.
Book Synopsis Simultaneous SO2/No3 Abatement Using Zeolite-supported Copper. Progress Report, October 1--December 31, 1995 by :
Download or read book Simultaneous SO2/No3 Abatement Using Zeolite-supported Copper. Progress Report, October 1--December 31, 1995 written by and published by . This book was released on 1995 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electron paramagnetic resonance (EPR) spectroscopy has been used to investigate the nature of copper ions supported on oxides and on zeolites. The results show that, unfortunately, EPR may not be a very useful predictor of the catalytic activity of supported copper catalysts.
Book Synopsis Simultaneous SO2/NO3 Abatement Using Zeolite-supported Copper. Progress Report, October 1, 1995--September 30, 1996 by :
Download or read book Simultaneous SO2/NO3 Abatement Using Zeolite-supported Copper. Progress Report, October 1, 1995--September 30, 1996 written by and published by . This book was released on 1996 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The bulk of the results from this project, besides being found in the research reports, are in the form of two theses presented for advanced degrees by two different students at two different institutions. Francis E. Porbeni is a Masters̀ Degree student in Chemistry at Clark Atlanta University and has prepared his Masters̀ Thesis entitled Simultaneous SO2 Oxidation and NO Decomposition over Copper Oxide on?-Alumina Catalysts: An Infrared Diffuse Reflectance Study. Sumit Rao, a Ph. D. student in Chemical Engineering at the Georgia Institute of Technology has defended his thesis entitled Role of Copper Ensemble Size in Silica and Zeolite Supported Catalysts for Nitric Oxide Decomposition. These two documents, which will be forwarded when final copies are available, provide the details of the bulk of the research accomplished over the duration of this project. These two documents are summarized, and other results from the project are given.
Book Synopsis Simultaneous SO2/NO3 Abatement Using Zeolite Supported Copper. Quarterly Progress Report, October 1, 1994--December 31, 1994 by :
Download or read book Simultaneous SO2/NO3 Abatement Using Zeolite Supported Copper. Quarterly Progress Report, October 1, 1994--December 31, 1994 written by and published by . This book was released on 1994 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: We have made progress in characterizing a Cu-exchanged ZSM-5 for NO decomposition activity. Additionally, we are pursuing the impregnation of alumina with vanadium and copper and studying the adsorption and reaction of SO2 on these catalysts.
Book Synopsis Simultaneous SO2/NO3 Abatement Using Zeolite-supported Copper. Progress Report, January 1--March 31, 1996 by :
Download or read book Simultaneous SO2/NO3 Abatement Using Zeolite-supported Copper. Progress Report, January 1--March 31, 1996 written by and published by . This book was released on 1996 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors have begun the investigation of the adsorption of NO on the Cu/?-alumina samples. The object of this aspect of the project is to investigate the modes of adsorption of NO on the Cu/?-alumina sorbents, to investigate the potential activity of these materials for the catalysis of the reduction of NO. Additionally, when subsequent measurements of NO interacting with a sulfated sorbent are investigated, a baseline of data will have been obtained which can be used to evaluate the effects of surface sulfation on the adsorption process in the absence of other competing effects. Based on the current results and by comparing results with those found by others, the authors have determined that the copper species exist predominantly as isolated copper atoms on the aluminum oxide surface, which behave chemically as copper aluminate. The copper species is responsible for the formation of an NO/Cu{sup 2+} complex which gives rise to an infrared absorption at 1,863 cm−1. There do exist some Cu species on the surface, which are formed only after some time by an interaction with NO, which give rise to an NO−/Cu+ complex with an infrared absorption at approximately 1,700 cm−1. Additionally, an intense feature at 1,640 cm−1 is observed which may be due to NO2 on the surface, which is the expected oxidation product if NO reduces Cu from Cu{sup 2+} to Cu+.
Book Synopsis Simultaneous SO[sub 2]/NO[sub X] Abatement Using Zeolite-supported Copper. Progress Report, October 1, 1995--September 30, 1996 by :
Download or read book Simultaneous SO[sub 2]/NO[sub X] Abatement Using Zeolite-supported Copper. Progress Report, October 1, 1995--September 30, 1996 written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The bulk of the results from this project, besides being found in the research reports, are in the form of two theses presented for advanced degrees by two different students at two different institutions. Francis E. Porbeni is a Master's Degree student in Chemistry at Clark Atlanta University and has prepared his Master's Thesis entitled Simultaneous SO[sub 2] Oxidation and NO Decomposition over Copper Oxide on[gamma]-Alumina Catalysts: An Infrared Diffuse Reflectance Study. Sumit Rao, a Ph. D. student in Chemical Engineering at the Georgia Institute of Technology has defended his thesis entitled Role of Copper Ensemble Size in Silica and Zeolite Supported Catalysts for Nitric Oxide Decomposition. These two documents, which will be forwarded when final copies are available, provide the details of the bulk of the research accomplished over the duration of this project. These two documents are summarized, and other results from the project are given.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1995 with total page 888 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.
Book Synopsis Simultaneous SO2/NOx Abatement Using Zeolite-supported Copper Oxide by : Mark G. White
Download or read book Simultaneous SO2/NOx Abatement Using Zeolite-supported Copper Oxide written by Mark G. White and published by . This book was released on 1993 with total page 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 1996 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Efficiency SO2 Removal Testing. Quarterly Report, 1 January--31 March 1995 by :
Download or read book High Efficiency SO2 Removal Testing. Quarterly Report, 1 January--31 March 1995 written by and published by . This book was released on 1995 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: This project involves testing at six full-scale utility flue gas desulfurization (FGD) systems, to evaluate low capital cost upgrades that may allow these systems to achieve up to 98% SO2 removal efficiency. The upgrades being evaluated mostly involve using additives in the FGD systems. The ''base'' project involved testing at the Tampa Electric Company Big Bend station. All five potential options to the base program have been exercised by DOE, involving testing at the Hoosier Energy Merom Station (Option 1), the Southwestern Electric Power Company Pirkey Station (Option 11), the PSI Energy Gibson Station (Option III), the Duquesne Light Elrama Station (Option IV), and the New York State Electric and Gas Corporation's (NYSEG) Kintigh Station (Option V). Testing has been completed for all six sites. Following the introduction, this document divided into four sections. Section 2, Project Summary, provides a brief overview of the status of technical efforts on this project. Section 3, Results, summarizes the outcome from these technical efforts during the quarter. In Section 4, Plans for the Next Reporting Period, an overview is provided of the technical efforts that are anticipated for the second quarter of calendar year 1995. Section 5 contains a brief acknowledgement.
Book Synopsis Investigation of Combined SO2/NO3 Removal by Ceria Sorbents. Quarterly Technical Progress Report by :
Download or read book Investigation of Combined SO2/NO3 Removal by Ceria Sorbents. Quarterly Technical Progress Report written by and published by . This book was released on 1996 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Simultaneous removal of SO2 and NOx using a regenerable solid sorbent will constitute an important improvement over the use of separate processes for the removal of these two pollutants from stack gases and possibly eliminate several shortcomings of the individual SO2 and NOx removal operations. Recent studies at PETC considered cerium oxide as an alternate sorbent to CuO. The present study aims to determine the effects of ammonia on the sulfation of the sorbent and to obtain a rate expression for the regeneration of alumina-supported CeO2 sorbents. In the past quarter the effect of ammonia on sulfation was investigated. It was found that the presence of ammonia affects the sulfation process unfavorably by forming ammonium sulfate species on the surface which subsequently decompose and cause sulfur loss from the surface. Since formation of surface ammonium sulfates increase the sorbent mass, it is difficult to deduce the magnitude of the sulfur loss from the surface only by thermogravimetric analysis.
Book Synopsis Commercial Demonstration of the NOXSO SO2/NO3 Removal Flue Gas Cleanup System. Quarterly Technical Progress Report No. 9, March 1--May 31, 1993 by :
Download or read book Commercial Demonstration of the NOXSO SO2/NO3 Removal Flue Gas Cleanup System. Quarterly Technical Progress Report No. 9, March 1--May 31, 1993 written by and published by . This book was released on 1993 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The NOXSO process is a dry, post-combustion flue gas treatment technology which uses a regenerable sorbent to simultaneously adsorb sulfur dioxide (SO2) and nitrogen oxides (NOx) from the flue gas of a coal-fired utility boiler. In the process, the SO2 is reduced to elemental sulfur and the NOx is reduced to nitrogen and oxygen. It is predicted that the process can economically remove 90% of the acid rain precursor gases from the flue gas stream in a retrofit or new facility. The objective of the NOXSO Demonstration Project is to design, construct, and operate a flue gas treatment system utilizing the NOXSO process at Ohio Edisons̀ Niles Plant Unit {number_sign}1. The effectiveness of the process will be demonstrated by achieving significant reductions in emissions of sulfur and nitrogen oxides. In addition, sufficient operating data will be obtained to confirm the process economics and provide a basis to guarantee performance on a commercial scale. Ohio Edisons̀ Niles Plant Unit {number_sign}1 generates 115 MW of electricity and 275,000 scfm of flue gas while burning 3.5% sulfur coal. The project is presently in the project definition and preliminary design phase. This phase was included in the project to allow completion of process studies and preliminary activities which could be conducted in parallel with NOXSOs̀ pilot plant project being conducted at Ohio Edisons̀ Toronto Power Plant.
Book Synopsis Commercial Demonstration of the NOXSO SO2/NO3 Removal Flue Gas Cleanup System. Quarterly Technical Progress Report No. 13, March 1, 1994--May 31, 1994 by :
Download or read book Commercial Demonstration of the NOXSO SO2/NO3 Removal Flue Gas Cleanup System. Quarterly Technical Progress Report No. 13, March 1, 1994--May 31, 1994 written by and published by . This book was released on 1994 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: The NOXSO process is a dry, post-combustion flue gas treatment technology which uses a regenerable sorbent to simultaneously adsorb sulfur dioxide (SO2) and nitrogen oxides (NO3 from the flue gas of a coal-fired utility boiler. In the process, the SO2 is converted to a sulfur by-product and the NO3 is converted to nitrogen and oxygen. It is predicted that the process can economically remove 90% of the acid rain precursor gases from the flue gas stream in a retrofit or new facility. The objective of the NOXSO Demonstration Project is to design, construct, and operate a flue gas treatment system utilizing the NOXSO process. The effectiveness of the process will be demonstrated by achieving significant reductions in emissions of sulfur and nitrogen oxides. In addition, sufficient operating data will be obtained to confirm the process economics and provide a basis to guarantee performance on a commercial scale. The project is presently in the project definition and preliminary design phase. Data obtained during pilot plant testing which was completed on July 30, 1993 is being incorporated in the design of the commercial size plant. A suitable host site to demonstrate the NOXSO process on a commercial scale is presently being sought. Preliminary engineering activities involved evaluating various design options for the major process vessels with the principal focus being on the sorbent heater vessel, which is operated at the highest temperature. Additionally, the impact of the NOXSO system on power plant particulate emissions and opacity was estimated. It is predicted that particulate emissions will decrease slightly while opacity will increase slightly. Neither change will be significant enough to have an impact on emissions compliance. Advertised performance of the proposed adsorber separator is being verified by laboratory testing. Process studies activities included POC equipment inspection and materials evaluations.
Book Synopsis Commercial Demonstration of the NOXSO SO2/NO3 Removal Flue Gas Cleanup System. Quarterly Technical Progress Report No. 5, March 1--May 31, 1992 by :
Download or read book Commercial Demonstration of the NOXSO SO2/NO3 Removal Flue Gas Cleanup System. Quarterly Technical Progress Report No. 5, March 1--May 31, 1992 written by and published by . This book was released on 1992 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: The NOXSO Process is a dry, post-combustion flue gas treatment technology which uses a regenerable sorbent to simultaneously adsorb sulfur dioxide and nitrogen oxides from the flue gas of a coal-fired utility boiler. In the process, the SO2 is reduced to elemental sulfur and the NOx is reduced to nitrogen and oxygen. It is predicted that the process can economically remove 90% of the acid rain precursor gases from the flue gas stream in a retrofit or new facility. This project is presently in the project definition and preliminary design phase. This phase was included in the project to allow completion of process studies and preliminary activities which could be conducted in parallel with NOXSOs̀ pilot plant project being conducted at Ohio Edisons̀ Toronto Power Plant.
Book Synopsis Fischer Tropsch Synthesis in Supercritical Fluids. Quarterly Technical Progress Report, January 1, 1995--March 31, 1995 by :
Download or read book Fischer Tropsch Synthesis in Supercritical Fluids. Quarterly Technical Progress Report, January 1, 1995--March 31, 1995 written by and published by . This book was released on 1996 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our objectives for this quarter were: (1) to install and test the temperature probe and the flammable gas detector: (2) to conduct Fischer-Tropsch synthesis experiments at baseline conditions and at a high pressure in order to test the newly constructed fixed bed reactor assembly.
Book Synopsis Commercial Demonstration of the NOXSO SO2/NO3 Removal Flue Gas Cleanup System. Quarterly Technical Progress Report No. 10, June 1--August 31, 1993 by :
Download or read book Commercial Demonstration of the NOXSO SO2/NO3 Removal Flue Gas Cleanup System. Quarterly Technical Progress Report No. 10, June 1--August 31, 1993 written by and published by . This book was released on 1993 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: The NOXSO process is a dry, post-combustion flue gas treatment technology which uses a regenerable sorbent to simultaneously adsorb sulfur dioxide (SO2) and nitrogen oxides (NOx) from the flue gas of a coal-fired utility boiler. In the process, the SO2 is reduced to sulfur by-product (elemental sulfur, sulfuric acid, or liquid SO2) and the NOx is reduced to nitrogen and oxygen. It is predicted that the process can economically remove 90% of the acid rain precursor gases from the flue gas stream in a retrofit or new facility. The objective of the NOXSO Demonstration Project is to design, construct, and operate a flue gas treatment system utilizing the NOXSO process at Ohio Edisons̀ Niles Plant Unit {number_sign}1. The effectiveness of the process will be demonstrated by achieving significant reductions in emissions of sulfur and nitrogen oxides. In addition, sufficient operating data will be obtained to confirm the process economics and provide a basis to guarantee performance on a commercial scale. The project is presently in the project definition and preliminary design phase. Data obtained during pilot plant testing which was completed on July 30, 1993 is being incorporated in the design of the commercial size plant. A suitable host site to demonstrate the NOXSO process on a commercial scale is presently being sought.
Book Synopsis Commercial Demonstration of the NOXSO SO2/NO3 Removal Flue Gas Cleanup System. Quarterly Technical Progress Report No. 12, December 1, 1993--February 28, 1994 by :
Download or read book Commercial Demonstration of the NOXSO SO2/NO3 Removal Flue Gas Cleanup System. Quarterly Technical Progress Report No. 12, December 1, 1993--February 28, 1994 written by and published by . This book was released on 1994 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: The NOXSO process is a dry, post-combustion flue gas treatment technology which uses a regenerable sorbent to simultaneously adsorb sulfur dioxide (SO2) and nitrogen oxides (NO3 from the flue gas of a coal-fired utility boiler. In the process, the SO2 is reduced to sulfur by-product and the NO3 is reduced to nitrogen and oxygen. It is predicted that the process can economically remove 90% of the acid rain precursor gases from the flue gas stream in a retrofit or new facility. The objective of the NOXSO Demonstration Project is to design, construct, and operate a flue gas treatment system utilizing the NOXSO process. The effectiveness of the process will be demonstrated by achieving significant reductions in emissions of sulfur and nitrogen oxides. In addition, sufficient operating data will be obtained to confirm the process economics and provide a basis to guarantee performance on a commercial scale. The project is presently in the project definition and preliminary design phase. Data obtained during pilot plant testing which was completed on July 30, 1993 is being incorporated in the design of the commercial size plant. A suitable host site to demonstrate the NOXSO process on a commercial scale is presently being sought. The plant general arrangement has been revised to incorporate principles used in the design of fluidized catalytic cracking (FCC) plants. A NOXSO plant availability analysis was prepared using operating experience from the recently completed pilot plant as a basis. The impact of water desorption in the sorbent heater and water adsorption in the sorbent cooler has been quantified and incorporated into the NOXSO process simulator. NOXSO process economics has been updated based on the present design. Capital cost for a 500 MW plant designed to remove 98% of the SO2 and 85% of the NO3 is estimated at $247/kW.
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