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作者推荐了一个泡沫浮选动力学新模型,这是一个实验室单槽泡沫浮选模型,其中零阶、一阶和二阶浮选速率方程是随连续浮选的时间变化而演进的,与固体物料的干燥过程相类似。在零阶速率反应中,气泡表面完全被矿粒复盖。在一阶速率反应中,气泡与矿粒之间的碰撞是一个确定速率的过程。在二阶速率方程中,泡沫层中矿粒的数量影响着泡沫层的稳定。本文研究了萤石—油酸钠—甲基异丁基甲醇(4甲基—2戊醇)系统的浮选速率曲线。研究证实,在浮选的初始阶段,零阶反应是主要的,随后是一阶速率反应,其次是高阶速率反应。本文也论述了油酸钠浓度,泡沫层高度,甲基异丁基甲醇浓度对零阶和一阶速率常数数值的影响。
The authors recommend a new model of froth flotation kinetics that is a laboratory single cell froth flotation model in which the zero, first and second order flotation rate equations evolve over time as a function of continuous flotation, and Solid material drying process is similar. In the zero-order rate reaction, the bubble surface is completely covered with mineral particles. In a first-rate reaction, the collision between the bubble and the mineral particles is a rate-determining process. In the second-order rate equation, the amount of particles in the foam layer affects the stability of the foam layer. In this paper, the flotation rate curve of fluorite-sodium oleate-methylisobutyl methanol (4-methyl-2-pentanol) system was studied. Studies confirm that in the initial stage of flotation, the zero-order reaction is dominant, followed by the first-order rate followed by the second-order rate. This paper also discusses the effects of sodium oleate concentration, foam height, and methyl isobutyl methanol concentration on zero and first order rate constants.