The use of FBC wastes in the reclamation of coal slurry solids. Final technical report, September 1, 1991--December 31, 1992 [electronic resource]
Because the hydrogen peroxide oxidation technique underestimated the amount of pyrite in the CSS-2 samples, the amount of FBC waste or sized Ag LS used in each mixture with CSS-2 were less than necessary to satisfy the stoichiometric amount of acid that could be generated by complete oxidation of th...
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Online Access |
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| Corporate Authors: | , |
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Morgantown, W.Va. : Oak Ridge, Tenn. :
National Energy Technology Laboratory (U.S.) ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
1992.
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| Subjects: |
MARC
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| 245 | 0 | 4 | |a The use of FBC wastes in the reclamation of coal slurry solids. Final technical report, September 1, 1991--December 31, 1992 |h [electronic resource] |
| 260 | |a Morgantown, W.Va. : |b National Energy Technology Laboratory (U.S.) ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, |c 1992. | ||
| 300 | |a 37 p. : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through the Information Bridge: DOE Scientific and Technical Information. | ||
| 500 | |a 12/31/1992. | ||
| 500 | |a "doe/pc/91334--t110" | ||
| 500 | |a "DE94005711" | ||
| 500 | |a "AV0100000" | ||
| 500 | |a Roy, W.R.; Steele, J.D.; Dreher, G.B. | ||
| 500 | |a USDOE, Washington, DC (United States);Illinois Dept. of Energy and Natural Resources, Springfield, IL (United States) | ||
| 513 | |a Final; |b 01/01/1991 - 12/31/1992. | ||
| 520 | 3 | |a Because the hydrogen peroxide oxidation technique underestimated the amount of pyrite in the CSS-2 samples, the amount of FBC waste or sized Ag LS used in each mixture with CSS-2 were less than necessary to satisfy the stoichiometric amount of acid that could be generated by complete oxidation of the pyrite in the CSS samples. However, the leaching experiments demonstrated that FBC waste is as effective as Ag LS in neutralizing the generated acid, and that the leachate pH would be approximately the same as that from Ag LS/CSS mixtures. In fact, the calcium hydroxide from the original hydrated FBC waste was converted to calcium carbonate in a short period of time, as indicated by chemical and mineralogical data. If the laboratory leaching experiments had continued for a long enough term, the alkaline materials present either in the unleached CSS-2, or added to the FBC wastes would have been consumed before all the pyrite had been oxidized, because of the deficiency of FBC waste in the mixtures. There is some concern, because of the concentrations of sodium and chloride in the initial leachates, over the toxicity of the leachates to plants. Although both these solutes were flushed quickly from the laboratory and outdoor weathering solids, this might not be the case in a coal slurry pond. Therefore, salt-tolerant plants might have to be selected for revegetation of the amended coal slurry solids. | |
| 536 | |b FG22-91PC91334. | ||
| 650 | 7 | |a Fluidized-bed Combustion. |2 local. | |
| 650 | 7 | |a Coal Preparation Plants. |2 local. | |
| 650 | 7 | |a Fluidized-bed Combustors. |2 local. | |
| 650 | 7 | |a Coal. |2 local. | |
| 650 | 7 | |a Waste Disposal. |2 local. | |
| 650 | 7 | |a Leaching. |2 local. | |
| 650 | 7 | |a Progress Report. |2 local. | |
| 650 | 7 | |a Mixing. |2 local. | |
| 650 | 7 | |a Solid Wastes. |2 local. | |
| 650 | 7 | |a Toxicity. |2 local. | |
| 650 | 7 | |a Mineral Wastes. |2 local. | |
| 650 | 7 | |a Leachates. |2 local. | |
| 650 | 7 | |a Coal, Lignite, And Peat. |2 edbsc. | |
| 710 | 2 | |a Illinois. |b Department of Energy and Natural Resources. |4 res. | |
| 710 | 2 | |a National Energy Technology Laboratory (U.S.). |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
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| 952 | f | f | |p Can circulate |a University of Colorado Boulder |b Online |c Online |d Online |e E 1.99:doe/pc/91334--t110 |h Superintendent of Documents classification |i web |n 1 |