The catalyst has excellent anti-metal performance when being used in heavy oil cracking reaction, and can increase the weight ratio of liquefied gas, gasoline and diesel fuel in the product.
本发明的催化剂在用于重油裂化反应中时具有优秀的抗金属性能，且能够提高产物中液化气、汽油和柴油的重量比。
Two difficult problems that domestic refinerys should regenerate their fuel oil products and increase the ratio of diesel oil output to gasoline one are reviewed. Some research and proposals are made.
针对国内炼油厂面临的燃油质量升级换代和提高柴汽比的两大难题展开综述，进行了探究并提出一些建议。
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