【摘要】：采用拜爾法高壓溶出廣西平果鋁土礦,考察了溶出時(shí)間、溶出溫度、石灰添加量以及苛堿濃度對(duì)氧化鋁溶出及赤泥中氧化鐵富集的影響。結(jié)果表明,最佳溶出條件為:溶出時(shí)間50min、溶出溫度260℃、石灰添加量6%、苛堿濃度235g/L,在該條件下,氧化鋁實(shí)際溶出率可達(dá)79.6%,赤泥中氧化鐵含量達(dá)32.1%。
[Abstract]:Pingguo bauxite in Guangxi was dissolved by Bayer method under high pressure. The effects of dissolution time, dissolution temperature, lime addition and caustic alkali concentration on alumina dissolution and iron oxide enrichment in red mud were investigated. The results showed that the optimum dissolution conditions were as follows: dissolution time 50 min, dissolution temperature 260 鈩，

本文編號(hào)：2192181