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Formation And Control Of Fuel Nitrogen Pollutants In Catalytic Combustion Of Coal Derived Gases
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Book Synopsis Formation and Control of Fuel-nitrogen Pollutants in Catalytic Combustion of Coal-derived Gases by : Frediano V. Bracco
Download or read book Formation and Control of Fuel-nitrogen Pollutants in Catalytic Combustion of Coal-derived Gases written by Frediano V. Bracco and published by . This book was released on 1978 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: The review of data on NH3 and HCN concentrations in the low /medium-Btu off-gases from the Mond, Riley-Morgan, Lurgi, Koppers-Totzek, Hygas and Synthane coal gasifiers indicates that NH3 is present at concentrations of 385-11,000 ppmV and HCN at concentrations up to 300 ppmV. There is a tendency for NH3 concentration to increase as the heating value of the low /medium-Btu gas increases. The observed NH3 concentrations are consistently greater than calculated equilibrium values even when the lowest possible gasifier temperatures (at the outlet) are assumed. The fraction of coal-bound nitrogen converted to NH3 + HCN is 12 to 91 percent. A rough estimate of the amount of NH3 + HCN in raw low/medium-Btu gases can be obtained by subtracting the nitrogen in gasifier byproducts (ash, char and tar) from the amount of coal-bound nitrogen and assuming complete conversion of the difference to NH3 + HCN. The reported concentrations of NH3 and HCN in purified low/medium-Btu gases indicate that levels of 1 to 10 ppmV NH3 and 1 to 100 ppmV HCN can be reached in low temperature cleanup at the expense of sensible heat.
Book Synopsis Formation and Control of Fuel-nitrogen Pollutants in Catalytic Combustion of Coal-derived Gases by : Princeton University. Dept. of Aerospace and Mechanical Sciences
Download or read book Formation and Control of Fuel-nitrogen Pollutants in Catalytic Combustion of Coal-derived Gases written by Princeton University. Dept. of Aerospace and Mechanical Sciences and published by . This book was released on 1978 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Princeton University. Department of Aerospace and Mechanical Sciences Publisher : ISBN 13 : Total Pages : pages Book Rating :4.:/5 (88 download)
Book Synopsis Formation and Control of Fuel-nitrogen Pollutants in Catalytic Combustion of Coal-derived Gases by : Princeton University. Department of Aerospace and Mechanical Sciences
Download or read book Formation and Control of Fuel-nitrogen Pollutants in Catalytic Combustion of Coal-derived Gases written by Princeton University. Department of Aerospace and Mechanical Sciences and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Formation and Control of Fuel-nitrogen Pollutants in Catalytic Combustion of Coal-derived Gases by : Princeton University. Dept. of Aerospace and Mechanical Sciences
Download or read book Formation and Control of Fuel-nitrogen Pollutants in Catalytic Combustion of Coal-derived Gases written by Princeton University. Dept. of Aerospace and Mechanical Sciences and published by . This book was released on 1978 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Formation and Control of Fuel-nitrogen Pollutants in Catalytic Combustion of Coal-derived Gases by : Frediano V. Bracco
Download or read book Formation and Control of Fuel-nitrogen Pollutants in Catalytic Combustion of Coal-derived Gases written by Frediano V. Bracco and published by . This book was released on 1978 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: The review of data on NH3 and HCN concentrations in the low /medium-Btu off-gases from the Mond, Riley-Morgan, Lurgi, Koppers-Totzek, Hygas and Synthane coal gasifiers indicates that NH3 is present at concentrations of 385-11,000 ppmV and HCN at concentrations up to 300 ppmV. There is a tendency for NH3 concentration to increase as the heating value of the low /medium-Btu gas increases. The observed NH3 concentrations are consistently greater than calculated equilibrium values even when the lowest possible gasifier temperatures (at the outlet) are assumed. The fraction of coal-bound nitrogen converted to NH3 + HCN is 12 to 91 percent. A rough estimate of the amount of NH3 + HCN in raw low/medium-Btu gases can be obtained by subtracting the nitrogen in gasifier byproducts (ash, char and tar) from the amount of coal-bound nitrogen and assuming complete conversion of the difference to NH3 + HCN. The reported concentrations of NH3 and HCN in purified low/medium-Btu gases indicate that levels of 1 to 10 ppmV NH3 and 1 to 100 ppmV HCN can be reached in low temperature cleanup at the expense of sensible heat.
Book Synopsis Formation and Control of Fuel-nitrogen Pollutants in Catalytic Combustion of Coal-derived Gases. Final Report by :
Download or read book Formation and Control of Fuel-nitrogen Pollutants in Catalytic Combustion of Coal-derived Gases. Final Report written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this program has been the elucidation of the mechanism of high temperature catalytic oxidation of coal-derived gases, including their individual constituents, and the effects of sulfur and nitrogen impurities. Detailed experimental data were obtained and a two-dimensional model is being developed and tested by comparison with the experimental data. When complete, the model can be used to optimize designs of catalytic combustors. The model at present includes axial and radial diffusion and gas and surface chemical reactions. Measured substrate temperatures are input in lieu of complete coupling of gas and solid energy conservation equations and radiative heat transfer. Axial and radial gas temperature and composition profiles inside a catalyst channel were computed and compared with experimental measurements at the catalyst outlet. Experimental investigations were made of carbon monoxide and medium-Btu gas combustion in the presence of platinum supported on a monolithic Cordierite substrate. Axial profiles of substrate temperature, gas temperature, and gas composition were determined at different gas velocities and equivalence ratios. The effects of H2S and NH3 in the medium-Btu gas were also investigated. Systems were proposed for making resonance absorption and Raman scattering measurements of gas temperature and/or species concentrations in a catalytic reactor. A new pulsed multipass Raman scattering technique for increasing photon yield from a scattering volume was developed.
Book Synopsis Nitrogen oxides (NOx) why and how they are controlled by :
Download or read book Nitrogen oxides (NOx) why and how they are controlled written by and published by DIANE Publishing. This book was released on 1999 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Controlling Nitrogen Oxides by : Alice Hastings
Download or read book Controlling Nitrogen Oxides written by Alice Hastings and published by . This book was released on 1980 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy written by and published by . This book was released on 1977 with total page 990 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1990 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1979 with total page 1568 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Energy: a Continuing Bibliography with Indexes by :
Download or read book Energy: a Continuing Bibliography with Indexes written by and published by . This book was released on 1981 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1979 with total page 1250 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Download or read book Fossil Energy Update written by and published by . This book was released on 1977 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1983 with total page 1368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fossil Energy Research and Development Program of the U.S. Department of Energy by : United States. Department of Energy. Office of Energy Technology
Download or read book Fossil Energy Research and Development Program of the U.S. Department of Energy written by United States. Department of Energy. Office of Energy Technology and published by . This book was released on 1978 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selective Catalytic Reduction Technology for the Control of Nitrogen Oxide Emissions from Coal-Fired Boilers by : Gene Knight
Download or read book Selective Catalytic Reduction Technology for the Control of Nitrogen Oxide Emissions from Coal-Fired Boilers written by Gene Knight and published by DIANE Publishing. This book was released on 2008-08 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Clean Coal Technology Demo. Program (CCTDP) is an effort to demonstrate a new generation of innovative coal utilization processes in a series of facilities built across the country. These projects are carried out on a commercial scale to prove technical feasibility and provide the info. required for future applications. Projects have demonstrated technical options with the potential to meet the needs of energy markets while satisfying environ. requirements. Part of this program is the demo. of technologies designed to reduce emissions of oxides of nitrogen (NOx) from existing coal-fired utility boilers. This report summarizes the status of selective catalytic reduction (SCR) technology for the control of NOx emissions from high-sulfur, coal-fired boilers. Illus.
