Storage of bituminous coals under argon |
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Authors: | Frank E Huggins George R Dunmyre Mou-Ching Lin Gerald P Huffman |
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Affiliation: | US Steel Technical Center, Monroeville, PA 15146, USA |
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Abstract: | Two bituminous coals, crushed to < 0.32 cm ( in), have been stored for 455 days under argon at room temperature and examined for indications of oxidation. The only changes noted over this time were a 20–30% reduction in maximum fluidity from the Gieseler plastometer test for both coals, and conversion of 5% of the pyrite to iron oxyhydroxide in one coal. Although minor, these changes do indicate that more stringent conditions are necessary to minimize oxidation during long-term storage (>2 years). |
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Keywords: | coal bituminous coals storage under argon |
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