Carbon microspheres supported cobalt catalysts for phenol oxidation with peroxymonosulfate
Heterogeneous catalytic oxidation of organic pollutants has been widely applied for wastewater treatment, in which the development of highly efficient catalysts is of critical importance. In this study, carbon microspheres supported cobalt catalysts (Co/CS) were prepared by a one-pot hydrothermal me...
| Main Authors: | , , , , , |
|---|---|
| Format: | Journal Article |
| Published: |
Institution of Chemical Engineers
2015
|
| Online Access: | http://hdl.handle.net/20.500.11937/40327 |
| _version_ | 1848755840053411840 |
|---|---|
| author | Zhou, G. Zhou, L. Sun, Hongqi Ang, H. Tadé, M. Wang, Shaobin 222090D |
| author_facet | Zhou, G. Zhou, L. Sun, Hongqi Ang, H. Tadé, M. Wang, Shaobin 222090D |
| author_sort | Zhou, G. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | Heterogeneous catalytic oxidation of organic pollutants has been widely applied for wastewater treatment, in which the development of highly efficient catalysts is of critical importance. In this study, carbon microspheres supported cobalt catalysts (Co/CS) were prepared by a one-pot hydrothermal method for in-situ loading cobalt onto carbon spheres, followed by calcination at 300, 400 and 500 °C, respectively. Cobalt would distribute three-dimensionally in the spheres. Many characterization techniques, such as XRD, SEM, EDS and elemental mapping were applied to investigate the physicochemical properties of the supported catalysts. The catalytic activities were evaluated by decomposition of phenol solutions with sulfate radicals. It was found that the Co/CS catalysts were able to efficiently decompose phenol by activation of peroxymonosulfate (PMS). Co/CS-300, 400 and 500 can completely decompose 20 ppm phenol in 15, 5 and 10 min, respectively. Kinetics studies were carried out to investigate the effects of catalyst loading, PMS amount, and reaction temperature on phenol degradation efficiency. |
| first_indexed | 2025-11-14T09:02:41Z |
| format | Journal Article |
| id | curtin-20.500.11937-40327 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T09:02:41Z |
| publishDate | 2015 |
| publisher | Institution of Chemical Engineers |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-403272017-09-13T13:37:32Z Carbon microspheres supported cobalt catalysts for phenol oxidation with peroxymonosulfate Zhou, G. Zhou, L. Sun, Hongqi Ang, H. Tadé, M. Wang, Shaobin 222090D Heterogeneous catalytic oxidation of organic pollutants has been widely applied for wastewater treatment, in which the development of highly efficient catalysts is of critical importance. In this study, carbon microspheres supported cobalt catalysts (Co/CS) were prepared by a one-pot hydrothermal method for in-situ loading cobalt onto carbon spheres, followed by calcination at 300, 400 and 500 °C, respectively. Cobalt would distribute three-dimensionally in the spheres. Many characterization techniques, such as XRD, SEM, EDS and elemental mapping were applied to investigate the physicochemical properties of the supported catalysts. The catalytic activities were evaluated by decomposition of phenol solutions with sulfate radicals. It was found that the Co/CS catalysts were able to efficiently decompose phenol by activation of peroxymonosulfate (PMS). Co/CS-300, 400 and 500 can completely decompose 20 ppm phenol in 15, 5 and 10 min, respectively. Kinetics studies were carried out to investigate the effects of catalyst loading, PMS amount, and reaction temperature on phenol degradation efficiency. 2015 Journal Article http://hdl.handle.net/20.500.11937/40327 10.1016/j.cherd.2015.07.009 Institution of Chemical Engineers restricted |
| spellingShingle | Zhou, G. Zhou, L. Sun, Hongqi Ang, H. Tadé, M. Wang, Shaobin 222090D Carbon microspheres supported cobalt catalysts for phenol oxidation with peroxymonosulfate |
| title | Carbon microspheres supported cobalt catalysts for phenol oxidation with peroxymonosulfate |
| title_full | Carbon microspheres supported cobalt catalysts for phenol oxidation with peroxymonosulfate |
| title_fullStr | Carbon microspheres supported cobalt catalysts for phenol oxidation with peroxymonosulfate |
| title_full_unstemmed | Carbon microspheres supported cobalt catalysts for phenol oxidation with peroxymonosulfate |
| title_short | Carbon microspheres supported cobalt catalysts for phenol oxidation with peroxymonosulfate |
| title_sort | carbon microspheres supported cobalt catalysts for phenol oxidation with peroxymonosulfate |
| url | http://hdl.handle.net/20.500.11937/40327 |