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| Content Provider | IET Digital Library |
|---|---|
| Author | Xiao, Zhengguo Aftab, Tallal Bin Yuan, Xiaoling Xia, Hualei Li, Dengxin |
| Abstract | Existing oxidation–absorption denitration processes have some disadvantages such as high cost, equipment corrosion and low oxidant utilisation ratio. In this work, a novel denitration process with a microbubble gas–liquid dispersion system (MBGLS) was proposed. The nitric oxide (NO) removal effects of MBGLS based on the various absorbents containing hydrogen peroxide (H2O2), salinity and metal ions were investigated. The results showed that the MBGLS had an excellent NO removal performance because of hydroxyl radicals (·OH) released by the MBs. H2O2, NaCl, Fe2+ and Mn2+ could enhance the removal properties of MBGLS, but excessive NaCl was not conducive to the removal of NO. Under the optimal reaction conditions (absorbent pH = 8, 330 K, 0.4 mol/l H2O2 and 800 ppm NO), the NO removal efficiency reached 87.7%. This new process is highly cost-effective and environment friendly and shows a good commercial application prospect in flue gas denitration. |
| Starting Page | 721 |
| Ending Page | 726 |
| Page Count | 6 |
| Volume Number | 14 |
| e-ISSN | 17500443 |
| Issue Number | Issue 7, Jun (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/14/7 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2018.5699 |
| Journal | Micro & Nano Letters |
| Publisher Date | 2019-06-26 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Absorbent PH Air Pollution Control Atmosphere (environmental Science) Bubbles Chemical Engineering Corrosion Cost-effective Environment Friendly Method Disperse System Engineering Material Environmental Issues Environmental Science Technology Equipment Corrosion Flue Gas Denitration Flue Gases H2O2 Hydrogen Compound Industrial Processes Iron Low Oxidant Utilisation Ratio Manganese MBGLS Microbubble Gas–liquid Dispersion System NaCl Nitric Oxide Removal Nitrogen Compound NO Removal Efficiency Oxidation Oxidation–absorption Denitration Process PH Salinity Sodium Compound Sorption Sorption And Accommodation Coefficient Surface Chemistry Temperature 330.0 K |
| Content Type | Text |
| Resource Type | Article |
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