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您的检索式：作者名="Luttrell Gerald H."
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| 1 | A review of state-of-the-art processing operations in coal preparation显示文摘Coal preparation is an integral part of the coal commodity supply chain. This stage of post-mining,pre-utilization beneficiation uses low-cost separation technologies to remove unwanted mineral matter and moisture which hinder the value of the coal product. Coal preparation plants typically employ several parallel circuits of cleaning and dewatering operations, with each circuit designed to optimally treat a specific size range of coal. Recent innovations in coal preparation have increased the efficiency and capacity of individual unit operations while reinforcing the standard parallel cleaning approach. This article,which describes the historical influences and state-of-the-art design for the various coal preparation unit operations, is organized to distinguish between coarse/intermediate coal cleaning and fine/ultrafine coal cleaning. Size reduction, screening, classification, cleaning, dewatering, waste disposal unit operations are particularly highlighted, with a special focus on the U.S. design philosophy. Notable differences between the U.S. and international operations are described as appropriate. | Noble Aaron Luttrell Gerald H. | 2015 | International Journal of Mining Science and Technology2015，25，4： | 7 |
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