Abstract
A novel MnOx–TiO2 catalyst with hollow silkworm structure was synthesized successfully via an ethanol-thermal strategy by using activated carbon fiber felt as template for the first time. The silkworm-like MnOx–TiO2 catalyst (MnTi) exhibited higher NOx conversion in the whole experimental temperature region (90–330 °C) under a high space velocity of 36,000 h−1 in comparison with the common MnOx–TiO2 catalyst without hollow silkworm structure (MnTi-B). The excellent catalytic performance of MnTi can be attributed to its high specific surface area, large content of active surface oxygen species (OS), and more surface acid sites. In addition, the MnTi catalyst also exhibited excellent resistance to water or SO2 poisoning.
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