The aim of this work was to study the efficiency of a fluidized plasma reactor (FPR) coupled to a photovoltaic system to reduce CO₂ to CO at atmospheric pressure and low temperatures. The major products of this reaction were CO and O₂, which suggests that the stoichiometric conversion of CO₂ into CO and O₂ was achieved. The results indicate that increasing the number of discharge points in the anode, voltage and frequency, the conversion of CO₂ to CO increased due to the a higher number of random non-thermal plasma (NTP) discharges generated in the FPR. An increase of the gap between the electrodes resulted also in higher conversions. At higher CO₂ flowrate, the CO₂ conversion decreased but the energy efficiency increased. The addition of low concentration of copper in the alumina fluidized bed resulted in a slight improvement of the CO₂ conversion and energy efficiency. The maximum CO₂ conversion and energy efficiency obtained in this study were 41% and 2.1% respectively. From a life cycle assessment approach, it was concluded that the use of photovoltaic energy coupled to the FPR technology improve the sustainability of the process. It was estimated that with the optimal conditions obtained in this work, it would be possible to compensate 67% of the CO₂ emissions associated to the process.

这项工作的目的是研究与光电系统耦合的流化等离子体反应器（FPR）的效率，以在大气压和低温下将CO ₂还原为CO。该反应的主要产物是CO和O ₂，这表明实现了CO ₂到CO和O ₂的化学计量转化。结果表明，由于FPR中产生的随机非热等离子体（NTP）放电次数增加，因此阳极中放电点数量，电压和频率的增加，CO ₂到CO的转化率增加。电极之间间隙的增加也导致更高的转化率。在较高的CO ₂流量下，CO ₂转化率降低，但能源效率提高。在氧化铝流化床中添加低浓度的铜导致CO ₂转化率和能量效率略有改善。在这项研究中获得的最大CO ₂转化率和能源效率分别为41％和2.1％。从生命周期评估方法可以得出结论，将光伏能源与FPR技术结合使用可提高过程的可持续性。据估计，通过这项工作获得的最佳条件，将有可能补偿与该过程相关的CO ₂排放的67％。