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给出了砷黄铁矿自诱导浮选的矿浆电位-pH关系。酸性介质中可浮电位区较宽,碱性介质中较窄。热力学计算表明了可浮区的意义和导致砷黄铁矿表面疏水的机理。表面溶剂提取-化学分析技术建立了砷黄铁矿表面的疏水/亲水平衡关系。结果表明,中性硫是主要疏水体。
The relationship between pulp potential and pH of self-induced flotation of arsenopyrite is given. Acidic medium floatable potential area wider, narrower alkaline medium. Thermodynamic calculations show the significance of the floatable area and the mechanism leading to surface hydrophobicity of arsenopyrite. Surface solvent extraction - chemical analysis techniques establish the hydrophobic / hydrophilic equilibrium of the arsenopyrite surface. The results show that neutral sulfur is the main hydrophobic body.