Research Progress of Cationic Quaternary Ammonium Salt Collector in Mineral Flotation Desilication
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摘要:
我国矿产资源丰富,但随着高品质矿的持续开发利用,现存大多为难选的中低品质矿。其中低品位的铝土矿、铁矿、磷矿等含有的主要脉石矿物之一为硅质矿物,因而脱硅流程是矿物提纯的关键和重要步骤。阳离子季铵盐类捕收剂具有较强的选择性和吸附能力、高效无毒易降解、pH值适用范围广、性能稳定等特点,推动了中低品质矿浮选脱硅的广泛开发与综合利用。本文介绍了近年来国内外阳离子季铵盐捕收剂反浮选脱硅的研究进展及其作用机理,以及对阳离子季铵盐捕收剂的评价和展望。
Abstract:China is rich in mineral resources, but with the continuous development and utilization of high quality ore, most of the existing low quality ore is difficult to concentrate.One of the main gangue minerals contained in low-grade bauxite, iron ore and phosphate ore is siliceous minerals. The existence of siliceous minerals makes the minerals cannot be directly utilized, so the desilication process is the key and important step of mineral purification.The cationic quaternary ammonium salt collector has the characteristics of strong selectivity and adsorption capacity, high efficiency, non-toxic and easy to degrade, wide application range of pH value and stable performance, which promotes the extensive development and comprehensive utilization of flotation desilication of middle and low quality ores.In this paper, the research progress and mechanism of reverse flotation desilication of cationic quaternary ammonium salt collectors at home and abroad in recent years are introduced, as well as the evaluation and prospect of cationic quaternary ammonium salt collectors.
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Key words:
- quaternary ammonium salt /
- desilication /
- bauxite /
- iron ore /
- phosphorite /
- research progress
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