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Study on the reduction reaction characteristics of Quasi-east coal and blast furnace dust mixed combustion
| Content Provider | Scilit |
|---|---|
| Author | Teng, Haipeng Shu, Tongsheng Yang, Sha Liu, Jiaojiao |
| Copyright Year | 2019 |
| Description | Journal: Iop Conference Series: Earth and Environmental Science Based on Gibbs' minimum free energy principle, the change of iron and zinc reduction and the change of sulfur dioxide during the mixed combustion process of quasi - east coal and blast furnace dust were studied. The results show that the reducing atmosphere of the reaction system is enhanced as Actual oxygen flux and theoretical oxygen demand ratio decreased and the temperature increased, and the reaction characteristic is more favorable for the reduction and precipitation of zinc and iron. When Actual oxygen flux and theoretical oxygen demand ratio is 0.5 and 0.75, the generation rate of elemental zinc and elemental iron increases as the temperature reaches 600 °C-800 °C. At this time, the amount of $SO_{2}$ is small as the Actual oxygen flux and theoretical oxygen demand ratio is 1,1.25 and 1.75, When the temperature continues to rise from the 800 °C to 1800 °C, the amount of zinc production is stable at 4.225mol, elemental iron production decreased rapidly, sulfur dioxide content continues to rise. |
| Related Links | https://iopscience.iop.org/article/10.1088/1755-1315/252/2/022014/pdf |
| ISSN | 17551307 |
| e-ISSN | 17551315 |
| DOI | 10.1088/1755-1315/252/2/022014 |
| Journal | Iop Conference Series: Earth and Environmental Science |
| Issue Number | 2 |
| Volume Number | 252 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2019-07-09 |
| Access Restriction | Open |
| Subject Keyword | Journal: Iop Conference Series: Earth and Environmental Science Applied Chemistry Energy and Fuel Technology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Earth and Planetary Sciences Physics and Astronomy Environmental Science |