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Clean Coal Technologies
Part 1 of Paper
....y impure by composition by the fact that it contains ash and sulfur; coal is also difficult to burn completely. Many techniques to combust coal have been developed since the late 1800's. "The first innovation were more concerned with achieving more complete combustion and reducing manual labor than they were with pollu.... Part 2 of Paper
....of coal in the States, and is mainly found in the eastern and middle part of the North American continent. Bituminous coal is primary used to generate electricity, and has a carbon content of 45 to 86 percent and a heat value of 10,500 to 15,000 Btu's. Sub-bituminous coal rank just below bituminous coal with 35 to 45 percent carbon content. The heat value of Sub-bituminous coal is between 8,300 and 13,000 Btu's per pound. It can be found in the western parts of the states. Lignite the lowest car.... |
| Number of words: 1551 - Approximate pages: 6 |
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