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为了研究大港减压渣油经溶剂脱沥青生产道路沥青的可能性 ,对大港渣油掺兑一定比例催化油浆进行了溶剂脱沥青试验研究。结果表明 :大港减压渣油掺兑不同比例 (2 0 %、30 %、4 0 % )的油浆溶剂脱沥青 ,脱油沥青的延度有了明显改善 ,在适度的脱沥青油收率下 ,脱油沥青可以满足 6 0 #或 10 0 #道路沥青的要求。
In order to study the possibility of production of road asphalt by vacuum deasphalting with Dagang vacuum residue, a solvent deasphalting test was conducted on a certain proportion of catalytic slime mixed with Dagang residue. The results show that the ductility of de-bitumen has been significantly improved when Dagang vacuum residue is admixed with different ratios (20%, 30%, 40%) of slurry solvent deasphalting, and the de-asphalted oil yield , The deoiled asphalt can meet the requirements of 60 # or 100 # road asphalt.