天气预报 > 其他 > 水洗煤重量轻好还是重好
水洗煤重量轻好还是重好
更新时间: 2020-07-02 00:00:00  

煤的主要组成元素是碳,还有少量的氢、氧、硫、氮、硅、铝、钙、铁等元素。水洗煤技术是用水来精洗煤炭,清除煤炭中的矸石,提高煤炭的利用率和发热量,从而降低矸石运输成本,进一步提高煤炭的附加值。水洗煤轻的话表明水分少,二是煤内部矸石少。

关键词: 洗煤 重量 还是

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