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| Content Provider | Springer Nature Link |
|---|---|
| Author | Lee, Ji Eun Choi, Hang Seok Seo, Yong Chil |
| Copyright Year | 2014 |
| Abstract | For designing an efficient circulating fluidized bed reactor, understanding the complex hydrodynamic characteristics in the reactor is required. Hence, in the present study, the modeling and simulation of the circulating fluidized bed gasifier using plastic waste were carried out with Eulerian-Granular approach. Several cases were investigated as changing superficial gas velocities or sizes of plastic waste particle. Firstly, cases were examined with four different velocities when the particle diameter is 1 mm. At the gas velocity of 6 or 8 m/s, gas volume fraction is more than 95 % throughout the reactor and particle velocity has positive value overall. Therefore, a circulating fluidized bed seems to be formed in both cases. Comparing those two cases, better solid mixing can be expected considering the mass fraction and solid velocity at the superficial gas velocity of 6 m/s. Thus this case was further studied for the effect of particle size. As the diameters of plastic waste particle are 1 or 3 mm, it is considered that a circulating fluidized bed is formed. And plastic waste and sand particles are well mixed throughout the reactor. However, the particle diameter increases over 3 mm then, it is very hard to maintain circulating fluidization condition. |
| Starting Page | 665 |
| Ending Page | 676 |
| Page Count | 12 |
| File Format | |
| ISSN | 14384957 |
| Journal | Journal of Material Cycles and Waste Management |
| Volume Number | 16 |
| Issue Number | 4 |
| e-ISSN | 16118227 |
| Language | English |
| Publisher | Springer Japan |
| Publisher Date | 2014-06-26 |
| Publisher Place | Tokyo |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Circulating fluidized bed Computational fluid dynamics Gasification Hydrodynamics Plastic waste Civil Engineering Waste Management/Waste Technology Environmental Management |
| Content Type | Text |
| Resource Type | Article |
| Subject | Waste Management and Disposal Mechanics of Materials |
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