【摘要】 在介绍重溶剂 (丁烷及戊烷 )脱沥青能选择性地除去渣油中的沥青质和金属化合物并为后续工艺提供大量容易转化的脱沥青油的基础上 ,叙述了重溶剂脱沥青的特点以及在含硫渣油加工中的应用 ,同时介绍了其副产品沥青的利用途径。更多还原

【Abstract】 Heavy solvent deasphalting could remove asphaltenes and metal compounds from residuum and provide large quantity deasphalted oil for further upgrading. In this paper the features of heavy solvent (butane and pentane) deasphalting process and its application in sulfur containing residuum processing are introduced, and the utilization of the by-product asphalt is also described.更多还原