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- W2370704743 abstract "Without any surfactant or oxidant,Co3O4 catalyst was prepared by liquid-precipitation method.The catalyst was investigated via the XRD and TEM characterizations.Taking CO oxidation as a probe reaction,effects of different pretreatment conditions,reaction temperature and space velocity etc.on the catalytic performance of Co3O4 for CO oxidation at low-temperature were investigated.The results show that the catalyst possesses the single cubic phase structure and the crystalline size is 10-20 nm.The Co3O4 pre-oxidized shows very high CO oxidation activity and stability at ambient temperature or even below at 0 ℃(-78 ℃),and it can maintain its activity for CO complete oxidation more than for 500 min at 25 ℃.The stability increased with decreasing CO gas-phase concentration.It was also showed that space velocity has a large effect on the stability and with increasing the space velocity a rapid decrease in activity is seen during steady-state CO oxidation at low-temperature.The low-temperature activity of Co3O4 is inhibited by the presence of moisture in the feed gas." @default.
- W2370704743 created "2016-06-24" @default.
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- W2370704743 date "2010-01-01" @default.
- W2370704743 modified "2023-09-23" @default.
- W2370704743 title "Technological Conditions of CO Oxidation over Co_3O_4 Catalyst at Low-temperature" @default.
- W2370704743 hasPublicationYear "2010" @default.
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