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2017 | Vol. 43, nr 1 | 31--47
Tytuł artykułu

Advanced oxidation treatment of pentoxifylline in aqueous solutions

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Języki publikacji
The degradation of pentoxifylline (PTX) using H2O2, UV, H2O2/UV, Fenton and photo-Fenton processes has been examined in aqueous solutions. The influence of oxidation agent and initial PTX concentration, on H2O2, H2O2/UV, Fenton and photo-Fenton reactions was investigated. The addition of inorganic ions (Cl, NO3, SO42– and CO32–) on the degradation efficiency of PTX was tested for H2O2/UV, Fenton and photo-Fenton processeses. The results indicate that the photo-Fenton reaction is the most sufficient for PTX removal. The complete pharmaceutics decomposition is achieved after 5 min under optimized concentration of FeSO4,·7 H2O2 and H2O2. The degradation of PTX is inhibited in the presence of inorganic matter in H2O2/UV and Fenton reaction. In the photo-Fenton process addition of above compounds does not affect the reaction rate. Structures of ten products of photo-Fenton reaction have been proposed.

Opis fizyczny
Bibliogr. 24 poz., tab., rys.
  • Department of Chemistry and Technology of Functional Materials, Gdańsk University of Technology, ul. Narutowicza 11/12, 80-233 Gdańsk, Poland,
  • Department of Chemistry and Technology of Functional Materials, Gdańsk University of Technology, ul. Narutowicza 11/12, 80-233 Gdańsk, Poland
  • Department of Pharmaceutical Technology and Biochemistry, Gdańsk University of Technology, ul. Narutowicza 11/12, 80-233 Gdańsk, Poland
  • Aquateam COWI AS Hasleveien 10, 0571 Oslo
  • Department of Chemistry and Technology of Functional Materials, Gdańsk University of Technology, ul. Narutowicza 11/12, 80-233 Gdańsk, Poland
  • Department of Chemistry and Technology of Functional Materials, Gdańsk University of Technology, ul. Narutowicza 11/12, 80-233 Gdańsk, Poland
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Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).
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