coal-refuse fire 炉渣发火
acid coal refuse 酸性煤矸石
coal refuse piles 煤矸石山
high sulfur coal refuse 高硫煤矸石
firebrick from coal refuse 矸石砖
coal refuse thermal insulating material comprehensive utilization
煤矸石 保温材料 综合利用。
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A new type of complex flocculant PBKD is prepared from coal refuse and pyrite slag, and is used as flocculant in the treatment of tanning waste water.
以煤矸石及硫酸烧渣做原料，制备了一种新型复合絮凝剂PBKD，并将其用于制革废水的处理。
Extracting alumina from coal refuse, sintering cement clinker directly from residues and circulating waste gas and liquid is a unusual technology for utilization of coal refuse.
从煤矸石中提取氧化铝，并用残渣直接煅烧硅酸盐水泥熟料，同时作废气、废液循环，是煤矸石资源开发利用的新工艺。
Take new built mine seam for example, expound the advantages of leaving roadway fashion of concrete coal refuse cinder cement stone wall, and make analysis of technical economic.
以典型的新建煤矿煤层为例，阐述采用水泥煤矸碴胶泥砌筑石墙留巷方式的优点，并进行技术经济分析。
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