After the analysis about using theory of recovery units in VCM production process, it was pointed that energy saving, consumption decreasing and environment protection were received by recovery units.

通过对VCM生产过程中膜回收装置的使用原理的分析，指出采用膜回收装置能获得节能、降耗、环保等效果。

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The vacuum membrane distillation units, the device and the method have the advantages of high heat recovery rate, energy saving, high equipment integration degree, low operation cost and the like.

本发明的减压膜蒸馏组件单元及其装置和方法具有热回收率高、节能、设备集成化程度高、操作成本低等优点。

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