Carbon Dioxide Splitting in a Dielectric Barrier Discharge Plasma: A Combined Experimental and Computational Study

被引：305

作者：

Aerts, Robby ^{[1
]}

Somers, Wesley ^{[1
]}

Bogaerts, Annemie ^{[1
]}

机构：

[1] Univ Antwerp, Dept Chem, B-2610 Antwerp, Belgium

来源：

CHEMSUSCHEM | 2015年 / 8卷 / 04期

关键词：

carbon dioxideenergy conversion; kinetic modeling; plasma chemistry; reaction mechanisms; SOLAR THERMOCHEMICAL CYCLES; FEO/FE3O4 REDOX REACTIONS; CHEMICAL REACTIONS; CO2; DECOMPOSITION; OZONE GENERATION; GAS-MIXTURE; METHANE; CONVERSION; REACTOR; OXYGEN;

D O I：

10.1002/cssc.201402818

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Plasma technology is gaining increasing interest for the splitting of CO2 into CO and O-2. We have performed experiments to study this process in a dielectric barrier discharge (DBD) plasma with a wide range of parameters. The frequency and dielectric material did not affect the CO2 conversion and energy efficiency, but the discharge gap can have a considerable effect. The specific energy input has the most important effect on the CO2 conversion and energy efficiency. We have also presented a plasma chemistry model for CO2 splitting, which shows reasonable agreement with the experimental conversion and energy efficiency. This model is used to elucidate the critical reactions that are mostly responsible for the CO2 conversion. Finally, we have compared our results with other CO2 splitting techniques and we identified the limitations as well as the benefits and future possibilities in terms of modifications of DBD plasmas for greenhouse gas conversion in general.

引用

页码：702 / 716

页数：15

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