老挝某红土型铝土矿矿石溶出性能研究

金属矿山 ›› 2012, Vol. 41 ›› Issue (07): 88-90.

老挝某红土型铝土矿矿石溶出性能研究

徐石头

河南省有色金属地质勘查总院

出版日期:2012-07-15 发布日期:2012-07-26

Digestion Performance of a Lateritic Bauxite Ores from Laos

Xu Shitou

Henan Provincial Non-ferrous Metals Geological and Mineral Resources Bureau

Online:2012-07-15 Published:2012-07-26

摘要/Abstract

摘要： 通过对老挝某铝土矿矿石溶出工艺的试验研究，得出该矿石的适宜溶出条件为溶出温度150 ℃，溶出时间40 min，石灰添加量3%，循环母液苛性碱质量体积浓度220 g/L，母液氧化钠与氧化铝的物质的量之比3.40，配料固含量350 g/L，配料中氧化钠与氧化铝的物质的量之比1.45。在此条件下Al₂O₃的溶出率达80%。

关键词: 红土型铝土矿, 溶出性能, 循环母液

Abstract: Through the research on the digestion process of a bauxite ores from laos, found the suitable digestion conditons to this kind ore: under the conditions of digestion temperature 150 ℃, digestion time 40 min, addition of lime 3%, concentration(m/V) of circulating mother liquor caustic alkali 220 g/L, molar ratio of mother liquor sodium oxide to alumina 3.40, proportioning solid content 350 g/L, proportioning molar ratio of sodium oxide to alumina 1.45, the digestion rate of Al₂O₃ can achieve to 80%.

Key words: Lateritic bauxite, Digestion performance, Circulating mother liquor

徐石头. 老挝某红土型铝土矿矿石溶出性能研究[J]. 金属矿山, 2012, 41(07): 88-90.

XU Shi-Tou. Digestion Performance of a Lateritic Bauxite Ores from Laos[J]. Metal Mine, 2012, 41(07): 88-90.

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