Development Program On Pressurized Fluidized Bed Combustion Annual Report July 1 1974 June 30 1975
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Total Pages | : 0 |
Release | : 1975 |
Genre | : Coal |
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The feasibility of using fluidized-bed combustors in power and steam plants is being evaluated. The concept involves burning fuels such as coal in a fluidized bed of either a naturally occurring, calcium-containing limestone or dolomite or in a synthetically prepared calcium-containing stone. The calcium oxide in the stone reacts with the sulfur released during combustion to form calcium sulfate, which remains in the bed, thus decreasing the level of SO/sub 2/ in the flue gas. Levels of NO/sub x/ in the flue gas are also low. The effect of operating variables and type of stone on the levels of SO/sub 2/ and NO/sub x/ is being determined. Behavior of trace elements during combustion has been preliminarily evaluated. The properties of a fluidized bed at minimum fluidization at different temperatures and pressures have been determined. The CaSO/sub 4/ produced in the combustion process is regenerated to CaO for reuse in the combustor by reductive decomposition at 1095/sup 0/C (2000/sup 0/F). The effects of operating variables on sulfur release during regeneration are being evaluated. Another regeneration process, solid-solid reaction of CaSO/sub 4/ with CaS, is also being investigated. Fundamental investigations of the kinetics of sulfation and regeneration reactions for the natural and synthetic stones are continuing. A model for the sulfation reaction is presented. The status of the new combustor andancillary regenerator equipment is discussed. (auth).
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Total Pages | : 0 |
Release | : 1976 |
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Author | : United States. Energy Research and Development Administration. Assistant Administrator for Fossil Energy |
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Total Pages | : 388 |
Release | : 1976 |
Genre | : Coal gasification |
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Total Pages | : 806 |
Release | : 1976 |
Genre | : Fossil fuels |
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Total Pages | : 756 |
Release | : 1975 |
Genre | : Power resources |
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Author | : United States. Energy Research and Development Administration |
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Total Pages | : 818 |
Release | : 1977 |
Genre | : Medicine |
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Author | : United States. Energy Research and Development Administration. Technical Information Center |
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Total Pages | : 588 |
Release | : 1976 |
Genre | : Force and energy |
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Author | : United States. Energy Research and Development Administration |
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Total Pages | : 716 |
Release | : 1976 |
Genre | : Power resources |
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Total Pages | : 1150 |
Release | : 1977 |
Genre | : Research |
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Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Author | : United States. Energy Research and Development Administration |
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Total Pages | : 396 |
Release | : 1976 |
Genre | : Coal |
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