Research Status of Flotation Reagents for Desilication and Magnesium Removal of Phosphate Rock
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摘要:
：磷矿是一种十分重要的、不可再生的战略资源。浮选法是磷矿在分离提纯中最常用、最有效的方法，磷矿中不同矿物在不同药剂的作用下能够扩大矿物颗粒表面物理化学性质差异，进而实现磷酸盐矿物与脉石矿物的分离。本文从磷矿浮选药剂的应用现状、机理研究、药剂联合与开发等方面归纳近年来pH值调整剂、活化剂、抑制剂、捕收剂存在的缺点和不足，并指出具有高性能、环保、低成本、耐低温等新型药剂是磷矿浮选药剂迫的发展方向。
Abstract:Phosphate rock is a very important and non−renewable strategic resource. Flotation method is the most commonly used and effective method in the separation and purification of phosphate rock. Different minerals in phosphate rock can expand the difference in physical and chemical properties of the particle surface under the action of different agents, and then realize the separation of phosphate minerals and gangue minerals. The main agents for phosphate rock flotation are activator, pH regulator, inhibitor and collector. This paper summarizes the shortcomings of activator, pH regulator, inhibitor and collector in recent years from the application status, mechanism research, pharmaceutical combination and development, and points out that new reagents with high performance, environmental protection, low cost and low temperature resistance are the urgent development direction of phosphate flotation reagents.
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Key words:
- phosphate rock /
- foam flotation /
- activator /
- pH regulator /
- inhibitor /
- collector
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