（2）Airproducts的液相二甲醚(LPDMETM)新工艺正在美国能流部的赞帮下，做为干净煤和替代燃料手艺开辟打算的一部门，Airproducts公司开辟成功了液相二甲醚新工艺，简记做...
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综述了气-液-固三相二甲醚的合成技术进展，介绍了所取得的最新研究成果及动态。
This article presents an overview of the technical advancement in gas-liquid-solid synthesis of dimethyl ether, and highlights the latest achievements and developments in research.
本发明还公开了上述的汽化器在液相甲醇脱水制备二甲醚工艺中的应用。
The invention also discloses application of the vaporizer in a process of preparing dimethyl ether by dehydrating liquid phase methanol.
结果表明：由于二甲醚的气相和液相黏度都比较小，使用二甲醚作为制冷剂可以减小系统的阻力，有利于系统制冷性能的提高。
The results show that due to the low viscosity of DME in both gaseous and liquid phases, the pressure drop in DME refrigeration system can be reduced and refrigeration efficiency improved.
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