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介绍了一种依靠原料自身的热量来自动形成萃取所需温度梯度的丙烷脱沥青技术及其在生产中的应用 ,该项技术的节能效果和经济效益十分明显。
This paper introduces a propane deasphalting technology that relies on the heat of raw materials to automatically form the temperature gradient for extraction and its application in the production. The energy saving effect and economic benefit of the technology are obvious.