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您的检索式：作者名="Zhang Ruichi"
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| 1 | Study on Metal-Passivating Elements in FCC Operation and Their Migration显示文摘Elements including P, Sb, Ce, La, B, Sn, Ti, Bi and Mg that could passivate Ni and V were studied on their migration on FCC catalysts and carriers under simulated commercial FCC operating conditions.Test results had shown that P, Sb, B and Sn compounds exhibited migration activity. The effects of temperature, fluidizing medium and contact time on migration of antimony compounds were investigated,and the mechanism regarding antimony migration was proposed. Meanwhile, it was disclosed that Ni on catalyst could stimulate Sb contained in the metal passivator to move onto FCC catalyst in tandem with the interaction between nickel and antimony. | Liu Xiaodong Cui Yan Zhang Ruichi Chen Zupi(Research Institute of Petroleum Processing, SINOPEC, Beijing 100083) | 2004 | China Petroleum Processing & Petrochemical Technology2004，6，2： | 0 |
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