期刊
PLASMA SCIENCE & TECHNOLOGY
卷 21, 期 6, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/2058-6272/ab079c
关键词
antibiotics; dielectric barrier discharge; Mn/gamma-Al2O3; plasma-catalytic; tetracycline hydrochloride
资金
- National Key Research and Development Program of China [2016YFB0600703]
- Shijiazhuang City Important Science and Technology project [176240857A]
A coaxial dielectric barrier discharge (DBD) reactor was used for plasma-catalytic degradation of tetracycline hydrochloride over a series of Mn/gamma-Al2O3 catalysts prepared by the incipient wetness impregnation method. The combination of plasma and the Mn/gamma-Al2O3 catalysts significantly enhanced the degradation efficiency of tetracycline hydrochloride compared to the plasma process alone, with the 10% Mn/gamma-Al2O3 catalyst exhibiting the best tetracycline hydrochloride degradation efficiency. A maximum degradation efficiency of 99.3% can be achieved after 5 min oxidation and a discharge power of 1.3 W, with only 69.7% by a single plasma process. The highest energy yield of the plasma-catalytic process is 91.7 g k Wh(-1). Probable reaction mechanisms of the plasma-catalytic removal of tetracycline hydrochloride were also proposed.
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