The experiment result indicates that the common sense is wrong that vacuum separation parameters of oils with the same physically performance is constant.

通过验证，指出了工程中关于物理性能相同的油品其真空分离工艺参数相同的结论是错误的。

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Ammonia and sulfuric acid (SO3) in and the reaction liquid after vacuum evaporation, concentration, crystallization, and then to liquid-solid separation processes obtained dry product.

氨水与硫酸(SO3)进行中和反应，反应液经过真空蒸发、浓缩、结晶，再进行液固分离、干燥等工序制得产品。

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The study on the newly developing membrane separation technology - vacuum membrane distillation is carried out with experimental and theoretical research work in this paper.

本论文对新型的膜分离技术—减压膜蒸馏技术进行了全面的实验研究和理论研究。

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