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《武汉工程大学学报》| 钟锦棒 等:花岗岩中石英多次反浮选分离探索试验

  • 2026-10-08 20:56:28
《武汉工程大学学报》| 钟锦棒 等:花岗岩中石英多次反浮选分离探索试验

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中文摘要：

湖北某地磁选后花岗岩矿物的主要成分含量为：石英30.22%、钾长石28.59%、钠长石39.14%、其他矿物2.05%。采用十二胺与草酸混合液GDDA、油酸钠NaOL为捕收剂，航空煤油MY辅助下的分子自组装浮选体系，探讨了药剂与矿物作用后zeta电位的变化、矿物团聚情况，通过响应面优化得到最佳浮选条件。结果表明，煤油的选择团聚作用使得石英和长石得以有效分离，石英长石分离最佳条件为：在矿浆pH为3时，GDDA用量700 g/t、NaOL用量20 g/t、MY用量24 L/t，在该条件下长石和石英分离率可达85.18%。实际矿物经优化的一粗二精反浮选工艺处理后，可获得相对回收率92.26%，SiO2含量99.32%的石英精矿。

关键词：

       花岗岩矿；反浮选；分子自组装；石英

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0.063187s