The effects of solvent, temperature, additive and separation time on the refinement process of crude anthracene by using emulsion-crystallization were reported.
采用乳化结晶法，研究了粗蒽精制过程中溶剂、温度、助剂及分离时间的作用。
Sodium chloride which content was more than 99.1% could be got from separation salt by adding brine crystallization method.
分离盐经兑卤结晶工艺处理，可得含量大于99.1%的氯化钠。
The continuous suspension crystallization process for xylene separation was optimized by calculation of solid-liquid phase equilibrium, material balance and energy balance.
采用混合二甲苯二组分物系的固液相平衡方程及物料衡算和热量衡算方程对混合二甲苯连续悬浮结晶工艺进行模拟计算。
The crystallization and separation of ferrous sulfate by-product in the production of sulfate TiO_2 are essential processes.
硫酸法生产钛白时的副产物硫酸亚铁的结晶和分离是必不可少的工序。
The crystallization and separation of ferrous sulfate by-product in the production of sulfate TiO_2 are essential processes.
硫酸法生产钛白时的副产物硫酸亚铁的结晶和分离是必不可少的工序。
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