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Iskalni niz: "avtor" (Petar Djinović) .

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Accelerating photo-thermal CO [sub] 2 reduction to CO, CH [sub] 4 or methanol over metal/oxide semiconductor catalysts
Kristijan Lorber, Petar Djinović, 2022, izvirni znanstveni članek

Objavljeno v DiRROS: 19.04.2022; Ogledov: 436; Prenosov: 307
.pdf Celotno besedilo (1,98 MB)
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Propylene epoxidation using molecular oxygen over copper- and silver-based catalysts : a review
Janvit Teržan, Matej Huš, Blaž Likozar, Petar Djinović, 2020, pregledni znanstveni članek

Objavljeno v DiRROS: 26.11.2020; Ogledov: 1288; Prenosov: 734
.pdf Celotno besedilo (5,24 MB)
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Effect of synthesis route of mesoporous zirconia based Ni catalysts on coke minimization in conversion of biogas to synthesis gas
Hande Mustu, Sena Yaşyerli, Nail Yaşyerli, Gülşen Doğu, Timur Doğu, Petar Djinović, Albin Pintar, 2015, izvirni znanstveni članek

Povzetek: Mesoporous zirconia and nickel incorporated zirconia catalysts were prepared following different routes. Synthesis of mesoporous zirconia and Ni incorporated zirconia with very narrow pore size distributions and high surface area was achieved. Ni incorporated mesoporous zirconia materials showed high activity in carbon dioxide reforming of methane, performed at 600 °C. Coke formation during dry reforming was eliminated over the Ni incorporated zirconia catalyst prepared by the one-pot procedure, using Pluronic P123 as the surfactant. It was shown that Ni was very well distributed within this material with cluster sizes smaller than the detection limit of XRD. This catalyst also showed highly stable catalytic performance. However, the catalysts prepared by the impregnation method showed higher activity but much higher coke formation than the catalyst prepared by the one-pot route.
Ključne besede: Biogas, syngas, dry reforming, mesoporous zirconia, coke
Objavljeno v DiRROS: 12.02.2015; Ogledov: 4572; Prenosov: 756
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The hazard assessment of nanostructured CeO [sub] 2-based mixed oxides on the zebrafish Danio rerio under environmentally relevant UV-A exposure
Anita Jemec Kokalj, Petar Djinović, Ilja Gasan Osojnik Črnivec, Albin Pintar, 2015, izvirni znanstveni članek

Povzetek: The effect of nanomaterials on biota under realistic environmental conditions is an important question. However, there is still a lack of knowledge on how different illumination conditions alter the toxicity of some photocatalytic nanomaterials. We have investigated how environmentally relevant UV-A exposure (intensity 8.50 ± 0.61 W/m2, exposure dose 9.0 J/cm2) affected the toxicity of cerium oxide (CeO2)-based nanostructured materials to the early-life stages of zebrafish Danio rerio. Pure cerium oxide (CeO2), copper–cerium (CuO–CeO2) (with a nominal 10, 15 and 20 mol.% CuO content), cerium–zirconium (CeO2–ZrO2) and nickel and cobalt (Ni–Co) deposited over CeO2–ZrO2 were tested. It was found that under both illumination regimes, none of the tested materials affected the normal development or induced mortality of zebrafish early-life stages up to 100 mg/L. Only in the case of CuO–CeO2, the growth of larvae was decreased (96 h LOEC values for CuCe10, CuCe15 and CuCe20 were 50, 50 and 10 mg/L, respectively). To conclude, CeO2-based nanostructured materials are not severely toxic to zebrafish and environmentally relevant UV-A exposure does not enhance their toxicity.
Ključne besede: Nickel cobalt nanocrystalline catalysts, UV-A phototoxicity, UV-shielding, zebrafish
Objavljeno v DiRROS: 16.12.2014; Ogledov: 8903; Prenosov: 523
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