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分析了镍和钒引起裂化和加氢催化剂失活的原因 ,并对各种抑制催化剂金属中毒的措施以及重油脱金属方法进行了详细阐述。
The reasons for the cracking and hydrogenation catalyst deactivation caused by nickel and vanadium were analyzed. Various measures to inhibit the metal poisoning of catalysts and the demetallation of heavy oil were elaborated.