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.
以硝酸铝为原料，碳酸铵为沉淀剂，合成前驱体碳酸铝铵，然后煅烧得到纳米级氧化铝粉体。
Ultrafine alumina powders were prepared by pyrolysis of the aluminium precursor powders obtained by precipitation method using aluminium nitrate and ammonium carbonate as raw materials.
本发明提供了一种 用于生产低苏打氧化铝的装置，其包括用于在苏打去除剂存在下煅烧氢氧 化铝的煅烧炉，通过该煅烧炉制得氧化铝粉尘；
An apparatus for producing a low-soda alumina, comprising a calciner for calcining aluminum hydroxide in the presence of a soda-removal agent, by which alumina dust is produced;
本发明提供了一种 用于生产低苏打氧化铝的装置，其包括用于在苏打去除剂存在下煅烧氢氧 化铝的煅烧炉，通过该煅烧炉制得氧化铝粉尘；
An apparatus for producing a low-soda alumina, comprising a calciner for calcining aluminum hydroxide in the presence of a soda-removal agent, by which alumina dust is produced;
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