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本文研究了晶种容量表面积的低温脱硅效果,建立了低温脱硅动力学的经验公式及溶液中SiO2含量与脱硅时间的曲线方程,探索了晶种的选择及晶种的循环利用。试验结果表明晶种容量表面积的作用随溶液中SiO2介稳浓度的升高而增强,又随介稳浓度的降低而减弱;增大晶种容量表面积能加快脱硅速度。
In this paper, the effect of low temperature desilication on the surface area of seed capacity was studied. The empirical formula of desilication kinetics at low temperature and the curve equation of SiO2 content and desilication time in solution were established. The selection of seeds and the recycling of seed were explored. The experimental results show that the effect of surface area of seed capacity increases with the increasing of the concentration of SiO2 in solution and decreases with the decrease of metastable concentration. Increasing the surface area of seed capacity can accelerate the rate of desiliconization.