Free-water knockouts are often used before heating an emulsion to remove the free water and to prevent unnecessarily heating too much water in the heater treater.

游离水分离器常在对乳状液加热前使用，以去除游离水并防止对加热处理器中太多的水进行不必要的加热。

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Introduce the different factors and principle in the formulation and process of water in oil emulsion system. The water in oil emulsifiers produced in Uniqema are also introduced.

论述了影响油包水乳化体系稳定性的因素、油包水的配方设计原则以及油包水的生产工艺的控制和调整，并介绍了有利凯玛公司的油包水乳化剂。

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Oil-water mixture has two state: water in oil emulsion (low water content under 30%) and oil in water emulsion(high water content up 30%).

油水混合物有两种状态：油包水（低于30％的低含水率）和水包油（高于30％的高含水率）。

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