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。
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.
这些公司从每单位氧化铝，乙烯和烧碱的生产中减少了30%能源消耗，原油加工，电解铝和水泥生产中则减少了10%以上。
The companies cut down more than 30% of energy consumption per unit of production of alumina, ethylene and caustic soda, and over 10% for crude-oil processing, electrolytic aluminum and cement.
以轻烧白云石粉和工业氧化铝粉为原料，采用烧结法制备了含镁铝尖晶石的新型铝酸盐水泥。
In this work, new spinel-containing aluminous cements were synthesized from light-burned dolomite powder and industrial Al2O3 powder by sintering process.
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