CO2conversion by plasma technology: insights from modeling the plasma chemistry and plasma reactor design
| Autor: | K Van Laer, Antonin Berthelot, Georgi Trenchev, S. Sun, Ramses Snoeckx, Stijn Heijkers, Annemie Bogaerts, Weizong Wang, St Kolev |
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| Rok vydání: | 2017 |
| Předmět: |
010302 applied physics
business.industry Chemistry Physics Nanotechnology 02 engineering and technology Plasma 021001 nanoscience & nanotechnology Condensed Matter Physics Fluid models Plasma reactor 01 natural sciences 7. Clean energy Chemical reaction Chemical reaction kinetics 0103 physical sciences Plasma technology Plasma chemistry 0210 nano-technology Process engineering business Efficient energy use |
| Zdroj: | Plasma Sources Science and Technology Plasma sources science and technology |
| ISSN: | 1361-6595 0963-0252 0022-3727 1367-2630 0038-5670 0741-3335 1932-7447 1742-6596 1089-5639 |
| Popis: | In recent years there has been growing interest in the use of plasma technology for CO2 conversion. To improve this application, a good insight into the underlying mechanisms is of great importance. This can be obtained from modeling the detailed plasma chemistry in order to understand the chemical reaction pathways leading to CO2 conversion (either in pure form or mixed with another gas). Moreover, in practice, several plasma reactor types are being investigated for CO2 conversion, so in addition it is essential to be able to model these reactor geometries so that their design can be improved, and the most energy efficient CO2 conversion can be achieved. Modeling the detailed plasma chemistry of CO2 conversion in complex reactors is, however, very time-consuming. This problem can be overcome by using a combination of two different types of model: 0D chemical reaction kinetics models are very suitable for describing the detailed plasma chemistry, while the characteristic features of different reactor geometries can be studied by 2D or 3D fluid models. In the first instance the latter can be developed in argon or helium with a simple chemistry to limit the calculation time; however, the ultimate aim is to implement the more complex CO2 chemistry in these models. In the present paper, examples will be given of both the 0D plasma chemistry models and the 2D and 3D fluid models for the most common plasma reactors used for CO2 conversion in order to emphasize the complementarity of both approaches. Furthermore, based on the modeling insights, the paper discusses the possibilities and limitations of plasma-based CO2 conversion in different types of plasma reactors, as well as what is needed to make further progress in this field. |
| Databáze: | OpenAIRE |
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