three-stage distillation

The desalting rate had been markedly improved after the two-stage electric desalting unit was revamped into a three-stage unit in atmospheric distillation unit in Shenyang Limited Company of Wax.

介绍了沈阳石蜡化工有限公司常压装置原油电脱盐系统由二级脱盐改造为三级脱盐后，脱盐效果明显提高。

For three days he watered this cabbage with a distillation of arsenic; on the third, the cabbage began to droop and turn yellow.

然后他就用砒霜的蒸溜水浇灌这棵椰菜，一连浇了三天，到第二天时，那椰菜开始萎黄了。

The Influencing Factors on the Quality of Three Kinds of Mixture from Tar Distillation and Control Measures

影响焦油蒸馏三混产品质量因素及防范措施

In the scope of distillation operation and control, dynamic EQ and NEQ models for three-phase distillation have been developed.

为了研究三相精馏塔的控制和优化命题，建立了三相精馏过程的动态EQ模型和NEQ模型。

Application of energy three-link method in the capacity expansion of crude distillation unit

能量三环节理论在原油蒸馏装置扩能改造中的应用

The mathematic model was established for optimized design of thermal coupled divided wall column of distillation process by simplifying it to a sequence of three distillation columns.

通过简化为一个带有三塔的简单塔序列，建立其精馏过程优化设计的数学模型。