臭氧与紫外光联合节能脱除低温烟气中SOx
Combining ozone and UV-light for energy efficient removal of SOx in low-temperature flue gas
摘要：
在这项工作中的组合臭氧O3紫外（UV）光反应器的烟气污染物的气相氧化的潜力进行了评估。为此，连续搅拌釜式反应器（CSTR）的数值模拟已经进行了二氧化硫SO2去除的分析。化学动力学已被耦合到由具有五种不同辐射模型的UV灯产生的辐射强度分布的建模。进行了网格收敛研究和优化的离散点光源的数量为一些辐射模型。同时分析了停留时间和反应器尺寸对脱硫效果的影响。总体而言，在优化条件下的O3-UV反应器中的SO2减排的结果表明，这种方法适合于可持续的空气清洁应用。
英文摘要：
The potential of a combined ozone O3 ultraviolet (UV) light reactor for gas-phase oxidation of flue gas pollutants has been evaluated in this work. For this, numerical simulations of a continuously stirred tank reactor (CSTR) have been performed for the analysis of sulfur dioxide SO2 removal. Chemical kinetics have been coupled with modeling of the radiation intensity distribution produced by a UV lamp with five different radiation models. A grid convergence study and an optimization of the number of discrete point light sources employed for some of the radiation models was carried out. The effect of residence time and reactor size on the removal of SO2 have also been analyzed. Overall, results for the abatement of SO2 in an O3-UV reactor under optimized conditions suggest that this approach is suitable for sustainable air cleaning applications.
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