Loading...
Please wait, while we are loading the content...
Similar Documents
Ultraviolet irradiation combined with manganese ore catalyzed ozonation of 4-chlorophenol in aqueous solution
| Content Provider | Semantic Scholar |
|---|---|
| Author | Chen, Guo Yang, Ying Zhang, Zhi-Ming Zeng, Qing-Fu An, Shu-Qing Zhu, Hai-Liang |
| Copyright Year | 2010 |
| Abstract | We have investigated ultraviolet (UV) irradiation combined with manganese ore (MO) catalyzed ozonation of 4-cholorophenol (4-CP) in aqueous solution. The preliminary results showed UV irradiation and MO had a strong synergetic catalytic effect on ozonation. We also studied the effect of UV lamp power, MO dosage, O 3 dosage, initial 4-CP concentration, pH value and temperature. The results showed that high pressure mercury lamp (HPML) was more favorable for the degradation of 4-CP than low pressure mercury lamp (LPML). The optimal MO and O 3 dosages were 2 g/L and 2 g/h respectively. When the 4-CP concentration was over 15 mg/L, the decrease of degradation efficiency accelerated. The acid condition was favorable for the degradation of 4-CP by UV/MO/O 3 . The reaction temperature could not be over 50°C. Through the mechanism discussion, we found that Mn 2 + was the most important species to catalyze the ozonation. In addition, UV irradiation could also accelerate the degradation by promoting the production of ∙OH. |
| Starting Page | 97 |
| Ending Page | 104 |
| Page Count | 8 |
| File Format | PDF HTM / HTML |
| DOI | 10.2166/ws.2010.048 |
| Alternate Webpage(s) | https://watermark.silverchair.com/97.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAAggwggIEBgkqhkiG9w0BBwagggH1MIIB8QIBADCCAeoGCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQMXqiaTwCSvZU0maVOAgEQgIIBuz7hUiR0WasIuhkVt9LyxTBu_QWr20PhvDhfk-ZN2bA1jLyoxaCiyZ4j24iV0DwlYdaDtKRSMf9Z_pckGmV6-TriCgTt5CgIcVYAAEZ4-4vBZLP9JPje5mSuvB6uTuq6kk8x_WFA9mMmdSu8tM0xv2K_OVkvRO6B1_1iEooKFcTzybnZ5jehW1xqP204_uT8q183xNPSdfOHCzeui33eYdtJ527MyhoLQzF9Vzcvr64U2uk8i1QnDWlwKcfsNNx-OS16CTc4XvmHR-QN29ikjT9mxpQk3kqoRDCJft2KE7GDCnCdAR8OTE5VWu_ttQj9IaWnFqBkovN9zu8p1By3R-diYFPC-hoLGODIKdrG2HMKYNE-Mk2kSkfyhO_Y8R2Yw0NCYVCBBpYIg8JjhN88d3RHDx2flj48SIGQRaye3hS48iW4Cpa_D83U_VeLUrwe9AnPZPJkcNAU0gJ06tKCkOzn0upH3k9CtIC3E5kX6-nlTOEXsYGVkqWem5gqTjiqsATeQpd7cmacZ6s8dP9ujjcRzm0SZO28GPSwQtA2PrL8UBDB6F-vs4trY87ht5q5RfJJhfphjkoLYbHA |
| Alternate Webpage(s) | https://doi.org/10.2166/ws.2010.048 |
| Volume Number | 10 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |