A review of state-of-the-art processing operations in coal preparation

查看全文 作　　者：Noble [1]Aaron;Luttrell Gerald [2]H.

机构地区：[1]Department of Mining Engineering, West Virginia University;[2]Department of Mining & Minerals Engineering,Virginia Tech

出　　处：《International Journal of Mining Science and Technology》索引2015年第25卷第4期,共11页

摘　　要：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. 关键词：煤炭产品加工操作制备单元操作选煤厂组成部分分离技术清洗方法

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A review of state-of-the-art processing operations in coal preparation

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