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根据加氢裂化技术对原料油的适应性强以及产品方案灵活的特点，通过采用中间馏分油选择性高的催化剂，改变循环油切割点以及用加氢裂化未转化油替代直馏柴油作为蒸汽裂解制乙烯的原料等途径能达到增产柴油的目的。
According to the adaptability of hydrocracking technology to raw oil and the flexible scheme of products, by using the catalyst with high selective middle distillate, changing the cutting point of circulating oil and replacing the straight-run diesel with hydrocracked unconverted oil as steam cracking Ethylene raw materials and other means to achieve the purpose of diesel production.