Chinese Journal of Applied Chemistry ›› 1997, Vol. 0 ›› Issue (6): 90-92.
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Zhang Qiang, Jin Riguang
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Abstract: The Co species in Co/HZSM-5 appeared to be in the phase of Co3O4, CoO, CoAl2O4 spinel, exchanged Co species and metal Co, depending on the calcination and reduction temperature. Co species in the phase of Co3O4, CoO and exchanged Co were the active sites on styrene formation, but in the formation of styrene over metal Co phase the crystal plane of the catalyst plays an important role.
Key words: Co/HZSM-5 catalyst, phase state, valency state, styrene synthesis
Zhang Qiang, Jin Riguang. Relation Between the Phase and Valency State of Co on Co/HZSM-5 Catalyst and Its Reaction Activity on Direct Synthesis of Styrene[J]. Chinese Journal of Applied Chemistry, 1997, 0(6): 90-92.
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