洗煤
1. 洗煤：coal washery 洗煤厂 | coal washing 洗煤 | coal yard 贮煤场
2. 尾煤、尾矿、洗煤：煤矿(选矿、coal mine (dressing,tail coal,debris, | 尾煤、尾矿、洗煤)coal washing), | 其它Others
1. This plant was fully computer controlled and had the ability to easily change the " coal washing " flow sheet.
2. One of the major benefits from washing coal at the mine mouth is the reduction in coal transportation costs.
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3. Since most Eastern coals have more than this, washing coal became a necessity.
4. In addition to reducing the sulfur to below 2 percent, washing coal also removes a large percentage of ash.
5. The Chinese government is promoting coal washing, to improve combustion efficiency and minimize ash production and pollution.