Journal
CATALYSIS COMMUNICATIONS
Volume 156, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2021.106320
Keywords
Ethyl acetate; Catalytic oxidation; Cobalt oxide; Volatile organic compounds
Categories
Funding
- National Natural Science Fund of China [21707130]
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Nanosized Co3O4 with various morphologies were synthesized and tested for catalytic removal of ethyl acetate. Among them, single crystal NP-Co3O4 showed the highest catalytic activity, attributed to its large specific surface area and active surface oxygen species.
Nanosized Co3O4 with different morphologies (rods-like (NR-), flowers-like (NF-), cages-like (NC-) and single crystal (NP-)) were synthesized by using hydrothermal and co-precipitation methods and applied in catalytic removal of ethyl acetate (EA). Complete EA conversion under a space velocity of 30,000 mL/ (g h) are shown at 210 degrees C for NP-Co3O4. The results of physicochemical properties reveals that NP-Co3O4 catalyst performs the best catalytic activity for EA oxidation attributed to larger specific surface area, better low-temperature reducibility, abundant Co3+ cationic species exposed on the (220) plane and sufficiently active surface oxygen species.
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