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。
2
Emulsion breaker, equipment or a process such as a heater, mechanical device, electrostatic treater, or chemicals that break up an emulsion into its components.