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Autor

  • Gornushkin, Igor B. (5)
  • Panne, Ulrich (3)
  • Schmid, Thomas (3)
  • Ababei, G. (2)
  • Hodoroaba, Vasile-Dan (2)
  • Nadejde, C. (2)
  • Neamtu, M. (2)
  • Paul, Andrea (2)
  • Ahamer, C. M. (1)
  • Demidov, Alexander (1)
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Erscheinungsjahr

  • 2015 (11) (entfernen)

Dokumenttyp

  • Posterpräsentation (7)
  • Zeitschriftenartikel (2)
  • Beitrag zu einem Tagungsband (1)
  • Vortrag (1)

Sprache

  • Deutsch (8)
  • Englisch (3)

Referierte Publikation

  • nein (9)
  • ja (2)

Schlagworte

  • Bisphenol A degradation (1)
  • Characterization (1)
  • Environment (1)
  • Fenton oxidation (1)
  • Laser-induced breakdown spectroscopy (LIBS) (1)
  • Magnetic core–shell nanocatalysts (1)
  • Micropollutants (1)
  • Mitigation (1)
  • Nanocatalysts (1)
  • Photo-Fenton oxidation (1)
+ weitere

Organisationseinheit der BAM

  • 1.4 Prozessanalytik (11) (entfernen)

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Application of laser-induced breakdown spectroscopy for the analysis of slags in industrial steel production (2015)
Eschlböck-Fuchs, S. ; Huber, N. ; Ahamer, C. M. ; Hechenberger, J. G. ; Kolmhofer, P. J. ; Heitz, J. ; Rössler, R. ; Demidov, Alexander ; Schmid, Thomas ; Gornushkin, Igor B. ; Panne, Ulrich ; Pedarnig, J. D.
Laser-induced breakdown spectroscopy (LIBS) is a fast and versatile technique for (semi) quantitative element analysis of solids, liquids, gases, and particulate matter. The LIBS method is used for optical sensing in various branches of industrial production. In the contribution we review some of our recent results on LIBS analysis of slags from secondary metallurgy in industrial steel making. Major oxides in steel slags are measured at-line and after homogenization using a calibration-free (CF) method. Two approaches for CF analysis based on the Boltzmann plot method and on the calculation of synthetic spectra are compared for the analysis of quaternary oxides. We also present the research in cooperation with our industrial partners in the process-analytical chemistry network PAC.
Tannic acid- and natural organic matter-coated magnetite as green Fenton-like catalysts for the removal of water pollutants (2015)
Nadejde, C. ; Neamtu, M. ; Hodoroaba, Vasile-Dan ; Schneider, Rudolf J. ; Paul, Andrea ; Ababei, G. ; Panne, Ulrich
The use of magnetic materials as heterogeneous catalysts has attracted increasing attention in the last years since they proved to be promising candidates for water treatment. In the present study, two types of surface-modified magnetite (Fe3O4) nanoparticles, coated with non-hazardous naturally occurring agents—either tannic acid (TA) or dissolved natural organic matter—were evaluated as magnetic heterogeneous catalysts. Chemical synthesis (co-precipitation) was chosen to yield the nanocatalysts due to its well-established simplicity and efficiency. Subsequently, the properties of the final products were fully assessed by various characterization techniques. The catalytic activity in heterogeneous oxidation of aqueous solutions containing a model pollutant, Bisphenol A (BPA), was comparatively studied. The effect of operational parameters (catalyst loading, H2O2 dosage, and UV light irradiation) on the Degradation performance of the oxidation process was investigated. The optimum experimental parameters were found to be 1.0 g/L of catalysts and 10 mM H2O2, under UV irradiation. The highest mineralization rates were observed for Fe3O4-TA catalyst. More than 80 % of BPA was removed after 30 min of reaction time under the specified experimental conditions. The obtained results showed that the two catalysts studied here are suitable candidates for the removal of pollutants in wastewaters by means of heterogeneous reaction using a green sustainable treatment method.
Tomography of laser-induced plasma using Radon transform technique for temporally and spatially resolved plasma diagnostics (2015)
Schmid, Thomas
Application of laser-induced breakdown spectroscopy for the analysis of slags in industria steel production (2015)
Eschlboeck-Fuchs, S
Two calibration-free approaches of analysis of industrial oxides by laser-induced breakdown spectroskopy (2015)
Demidov, Alexandr
Two calibration-free approaches of analysis of industrial oxides by laser-induced breakdown spectroskopy (2015)
Schmid, Thomas
Tomography of laser-induced plasma using Radon transform technique for temporally and spatially resolved plasma diagnostics (2015)
Gornushkin, Igor B.
Two calibration-free approaches for analysis of industrial slags by laser-induced breakdown spectroscopy (2015)
Gornushkin, Igor B.
Tomography of laser-induced plasma for temporally, spectrally and spatially resolved plasma diagnostics using Radon transform technique (2015)
Gornushkin, Igor B.
Calibration- and Calibration-Free LIBS: Past and Future (invited) (2015)
Gornushkin, Igor B.
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