Abstract：Degradation of glucocorticoids(GCs) in water by plasma jet technology was studied with hydrocortisone (HC) as the representative. The results showed that the removal efficiency of HC increased with the increase of discharge power and discharge time. The initial solution pH and air flow also have significant impacts on HC removal. At discharge power of 49.7W, gas flow rate of 4L/min, initial pH of 6.5, and initial concentration of 0.138mmol/L, the HC removal efficiency reached 98% after 120min. The functional radicals during discharge were detected by Optical Emission Spectrum (OES). Effects of radical scavengers on HC degradation were investigated to explore the contributions of various reactive oxygen species (ROS) during plasma treatment. The research results could contribute to the development of jet plasma technology in water treatment.
黄柯靓, 李国庆, 刘亚男, 张艾. 常压等离子体射流去除水中糖皮质激素污染物[J]. 中国环境科学, 2020, 40(8): 3417-3423.
HUANG Ke-liang, LI Guo-qing, LIU Ya-nan, ZHANG Ai. Degradation of glucocorticoids in water by atmospheric pressure plasma jet. CHINA ENVIRONMENTAL SCIENCECE, 2020, 40(8): 3417-3423.
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