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Investigation into cavitational intensity and COD reduction performance of the pinned disc reactor with various rotor-stator arrangementsGostiša, Jurij ...In this study, the hydrodynamic cavitation and wastewater treatment performance of a rotary generator with pin disk for hydrodynamic cavitation are investigated. Various geometrical features and ... arrangements of rotor and stator pins were evaluated to improve the configuration of the cavitation device. The pilot device used to perform the experiments was upgraded with a transparent cover that allows visualization of the hydrodynamic cavitation in the rotor-stator region with high-speed camera and simultaneous measurement of pressure fluctuations. Based on the hydrodynamic characteristics, three arrangements were selected and evaluated with respect to the chemical effects of cavitation on a 200-liter wastewater influent sample. The experimental results show that the rotational speed and the spacing of the rotor pins have the most significant effect on the cavitation intensity and effectiveness, while the pin diameter and the surface roughness are less significant design parameters. Cavitation intensity increases with pin velocity, but can be inhibited if the pins are arranged too close together. At best configuration, COD was reduced by 31% in 15 liquid passes, consuming 8.2 kWh/kg COD. The number of liquid passes also proved to be an important process parameter for improving the energy efficiency.Vir: Ultrasonics Sonochemistry. - ISSN 1350-4177 (Vol. 77, Sept. 2021, str. 1-11)Vrsta gradiva - članek, sestavni delLeto - 2021Jezik - angleškiCOBISS.SI-ID - 70807811
Avtor
Gostiša, Jurij |
Zupanc, Mojca, 1980- |
Dular, Matevž |
Širok, Brane |
Levstek, Meta |
Bizjan, Benjamin
Teme
hydrodynamic cavitation |
wastewater treatment |
pinned disc reactors |
flow visualization |
performance evaluation |
hidrodinamska kavitacija |
odpadne vode |
kavitacijski reaktorji |
turbostroji |
vizualizacija |
učinkovitost razgradnje KPK
Vnos na polico
Trajna povezava
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Gostiša, Jurij | 39528 |
Zupanc, Mojca, 1980- | 33926 |
Dular, Matevž | 23471 |
Širok, Brane | 09286 |
Levstek, Meta | 39103 |
Bizjan, Benjamin | 35646 |
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