Back to Search
Start Over
Catalytic ozonation of 4-nitrophenol over an mesoporous α-MnO2 with resistance to leaching.
- Source :
-
Catalysis Today . Dec2015 Part 2, Vol. 258, p595-601. 7p. - Publication Year :
- 2015
-
Abstract
- Two series of α-MnO 2 materials were prepared via a similar method with surfactant cetyltrimethylammonium bromide (CTAB) and sodium dodecyl benzene sulfate (SDBS). The surfactants work both as shape directing agent and reduction initiator. The α-MnO 2 synthesized with 0.2 M of CTAB showed a mesoporous structure with high surface area of 387.7 m 2 /g. It is very active in catalytic ozonation of 4-nitrophenol (4-NP) and total organic carbon removal, with higher catalytic stability than commercial MnO 2 . Using tert -butanol and p -benzoquinone as scavengers of different oxidative species, we found that superoxide radicals, rather than hydroxyl radicals, were mainly responsible for the degradation of 4-NP. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09205861
- Volume :
- 258
- Database :
- Academic Search Index
- Journal :
- Catalysis Today
- Publication Type :
- Academic Journal
- Accession number :
- 110472566
- Full Text :
- https://doi.org/10.1016/j.cattod.2015.03.044