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| Content Provider | Springer Nature Link |
|---|---|
| Author | Zhang, Bo Zhong, Zhaoping Ding, Kuan Yu, Lulu |
| Copyright Year | 2013 |
| Abstract | Element mercury (Hg$^{0}$) from flue gas is difficult to remove because of its low solubility in water and high volatility. A new technology for photooxidative removal of Hg$^{0}$ with an ultraviolet (UV)/H$_{2}$O$_{2}$ advanced oxidation process is studied in an efficient laboratory-scale bubble column reactor. Influence of several key operational parameters on Hg$^{0}$ removal efficiency is investigated. The results show that an increase in the UV light power, H$_{2}$O$_{2}$ initial concentration or H$_{2}$O$_{2}$ solution volume will enhance Hg$^{0}$ removal. The Hg$^{0}$ removal is inhibited by an increase of the Hg$^{0}$ initial concentration. The solution initial pH and pH conditioning agent have a remarkable synergistic effect. The highest Hg$^{0}$ removal efficiencies are achieved at the UV light power of 36W, H$_{2}$O$_{2}$ initial concentration of 0.125 mol/L, Hg$^{0}$ initial concentration of 25.3 μg/Nm$^{3}$, solution initial pH of 5, H$_{2}$O$_{2}$ solution volume of 600 ml, respectively. In addition, the O$_{2}$ percentage has little effect on the Hg$^{0}$ removal efficiency. This study is beneficial for the potential practical application of Hg$^{0}$ removal from coal-fired flue gas with UV/H$_{2}$O$_{2}$ advanced oxidation process. |
| Starting Page | 56 |
| Ending Page | 61 |
| Page Count | 6 |
| File Format | |
| ISSN | 02561115 |
| Journal | Korean Journal of Chemical Engineering |
| Volume Number | 31 |
| Issue Number | 1 |
| e-ISSN | 19757220 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2013-11-14 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Photooxidative Removal Hg$^{0}$ UV/H$_{2}$O$_{2}$ Advanced Oxidation Process Operational Parameters Industrial Chemistry/Chemical Engineering Catalysis Materials Science Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Chemical Engineering |
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