This paper mainly introduces the application of the double Differential temperature control system in the Propylene Distillation tower of the Gas Distillation unit.

本文主要介绍双温差控制系统在气体分馏装置丙烯精馏塔控制上的应用。

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Biodiesel and material is separated effectively through water vapour distillation, and the high pure degree biodiesel is acquired without double transesterification.

水蒸汽蒸馏技术实现生物柴油与未反应原料的有效分离，不需要二次酯交换反应就获得了高纯度的生物柴油。

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Red Square Vodka's primary material is using good quality potatoes, using repetitive distillation process and double filtration method to produce the purest and finest high quality liquor of its kind.

红方伏特加是以马铃薯为原料，用重复蒸馏，精炼过滤的方法，除去酒精中所含毒素和其他异物的一种纯净的高酒精浓度的饮料。

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The macerated bitter orange peel is the same fruit used in the other variants of Grand Marnier, but this time they employ a unique double distillation, whereas it is usually distilled just once.

FORBES: What Does An $800 Bottle Of Grand Marnier Taste Like?