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为适应高等级公路建设发展的需要,该项目以伊朗、沙特阿拉伯、也门、阿曼等国11种进口原油的减压渣油及丙烷溶剂的脱油沥青为原料,采用蒸馏、氧化、溶剂脱沥青、调合等六组工艺技术,成功地
In order to meet the needs of the development of high-grade highway construction, the project uses the de-asphalting of 11 kinds of imported crude oil of vacuum residue and propane solvent in Iran, Saudi Arabia, Yemen, Oman and other countries as raw materials, using distillation, oxidation, solvent deasphalting , Blending and other six groups of technology, successfully