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Plasma Medicine

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ISSN Print: 1947-5764

ISSN Online: 1947-5772

SJR: 0.216 SNIP: 0.263 CiteScore™:: 1.4 H-Index: 24

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Reducing the Toxicity of Tetracycline Solutions and the Kinetics of Decomposition under the Action of DBD in Oxygen

Volume 9, Issue 2, 2019, pp. 101-110
DOI: 10.1615/PlasmaMed.2019031459
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ABSTRACT

The effects of a dielectric barrier discharge (DBD) in oxygen on the kinetics of the decomposition and of product formation of aqueous solutions of tetracycline (THC) were studied. The kinetics of THC decomposition obeyed the first kinetic order, and the degree of decomposition reached 90%. The rate constants and the energy efficiency of the decomposition process were determined. The decomposition products of THC were carboxylic acids, aldehydes, CO, and CO2. The toxic effect of water was determined by the survival rate of freshwater crustaceans Daphnia magna Straus and fish Poecillia reticulata Peters. Treatment with DBD led to a significant reduction in the toxicity of the solutions (by 94.8%).

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