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在实验室现有的溶剂脱沥青装置上对催化裂化油浆进行丙烷脱沥青研究。结果发现油浆经过丙烷脱沥青后 ,大部分芳烃富集到脱油沥青中 ,使脱油沥青可作为较好的沥青调合组分 ;脱沥青油的n(氢 ) /n(碳 )一般低于 1.6 6 ,虽然其裂化能力较差 ,但由于脱沥青油作为原料催化裂化时的汽油产率低于VGO原料 ,而柴油产率大于VGO ,因此 ,在VGO中掺炼部分脱沥青油可改变催化裂化的产物分布
Propane deasphalting of FCC slurry was carried out on the existing solvent deasphalting equipment in the laboratory. As a result, most of the aromatics are enriched in the deasphalted asphalt after the deasphalting of the slurry, so that the deasphalted asphalt can be used as a good asphalt blending component. The n (hydrogen) / n (carbon) of the deasphalted oil is generally Below 1.6 6, although the cracking capacity is poor, the yield of gasoline is lower than that of VGO when the deasphalted oil is the raw material for catalytic cracking, while the yield of diesel is greater than that of VGO. Therefore, de-asphalting oil may be blended in VGO Change the product distribution of catalytic cracking