Kinetics of Ibuprofen Degradation in Aqueous Solution by the Action of Direct-Current Glow Discharge in Air

IF 0.9 4区 化学 Q4 CHEMISTRY, PHYSICAL
A. A. Ignatiev, P. A. Ivanova, A. N. Ivanov, A. A. Gushchin, D. A. Shutov, V. V. Rybkin
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Abstract

The kinetics of decomposition of ibuprofen in its aqueous solution by the action of atmospheric-pressure direct-current discharge in ambient air has been studied. The treated solution served as both the cathode and the anode of the discharge system. Degradation rates and effective degradation rate constants have been determined. Based on these data, the energy yields and degrees of destruction were calculated for various discharge powers (discharge currents). Discharges in a liquid cathode and anode differ little in the energy yields of degradation. But the rates and rate constants of degradation in the liquid cathode are higher than in the liquid anode. Therefore, the complete destruction of ibuprofen in the liquid cathode is achieved within shorter discharge times. A comparison is made of the destruction efficiencies for the cases of solution treatment using glow, dielectric barrier, and pulsed corona discharges.

Abstract Image

空气中直流辉光放电降解布洛芬的动力学研究
摘要研究了常压直流放电在环境空气中分解布洛芬水溶液的动力学。处理后的溶液作为放电系统的阴极和阳极。测定了降解速率和有效降解速率常数。根据这些数据,计算了不同放电功率(放电电流)下的能量产生和破坏程度。液体阴极和阳极的放电在降解的能量产量上差别不大。但液态阴极的降解速率和速率常数高于液态阳极。因此,在较短的放电时间内实现了布洛芬在液体阴极中的完全破坏。比较了用辉光、介质阻挡和脉冲电晕放电溶液处理的破坏效率。
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来源期刊
High Energy Chemistry
High Energy Chemistry 化学-物理化学
CiteScore
1.50
自引率
28.60%
发文量
62
审稿时长
6-12 weeks
期刊介绍: High Energy Chemistry publishes original articles, reviews, and short communications on molecular and supramolecular photochemistry, photobiology, radiation chemistry, plasma chemistry, chemistry of nanosized systems, chemistry of new atoms, processes and materials for optical information systems and other areas of high energy chemistry. It publishes theoretical and experimental studies in all areas of high energy chemistry, such as the interaction of high-energy particles with matter, the nature and reactivity of short-lived species induced by the action of particle and electromagnetic radiation or hot atoms on substances in their gaseous and condensed states, and chemical processes initiated in organic and inorganic systems by high-energy radiation.
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