| 001 | 128366 | ||
| 005 | 20240711092306.0 | ||
| 020 | _ | _ | |a 978-3-89336-820-4 |
| 024 | 7 | _ | |2 Handle |a 2128/4911 |
| 024 | 7 | _ | |2 ISSN |a 1866-1793 |
| 037 | _ | _ | |a FZJ-2013-00105 |
| 041 | _ | _ | |a German |
| 100 | 1 | _ | |0 P:(DE-Juel1)VDB76589 |a Wenzel, David |b 0 |e Corresponding author |g male |u fzj |
| 245 | _ | _ | |a Keramiken und Keramikkombinationen zur Feinstpartikelabscheidung mit Hilfe thermischinduzierter Potentialfelder und Elektronenemissionen |
| 260 | _ | _ | |a Jülich |b Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag |c 2012 |
| 300 | _ | _ | |a 155 pp. |
| 336 | 7 | _ | |0 PUB:(DE-HGF)3 |2 PUB:(DE-HGF) |a Book |b book |m book |s 128366 |
| 336 | 7 | _ | |2 DRIVER |a book |
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| 336 | 7 | _ | |2 ORCID |a BOOK |
| 336 | 7 | _ | |2 BibTeX |a BOOK |
| 490 | 0 | _ | |0 PERI:(DE-600)2445288-9 |a Schriften des Forschungszentrums Jülich : Energie & Umwelt / Energy & Environment |v 152 |
| 500 | _ | _ | |a Schriften des Forschungszentrums Jülich |
| 502 | _ | _ | |a RWTH Aachen, Diss., 2012 |b Dr. |c RWTH Aachen |d 2012 |
| 520 | _ | _ | |a Fine particle removal is an important step in coal or biomass gasification and in advanced coal fired power plants using PPCC-, IGCC- or oxycoal technology. Decreasing pressure or temperature of the flue gas, as is necessary for conventional ceramic candle filters, decreases the thermodynamic efficiency and should therefore be avoided. In this dissertation, which traces back to the AiF-project 275 Z, the electrochemical properties of several ceramic materials and ceramic material combinations were investigated. Based on those prior works aluminum oxide, cerium oxide, chromium oxide, magnesium oxide, and zirconium oxide were chosen for further investigation. Additional measurements were performed on titanium dioxide, silicon carbide and the chromium aluminum oxide/zirconium oxide ceramic SEPR. Conductivity and charge carriers were determined for temperatures between 800 °C and 1500 °C by impedance spectroscopy measurements. The strength of the electrostatic potentials between the ceramic materials were also measured in this temperature range. The electron work functions of the ceramics were determined by measuring the conductivity between two electrodes, which was influenced by the number of thermally emitted electrons. Ceramic samples were used in an experiment conducted together with the Karlsruhe Institute of Technology (KIT). In this experiment titanium dioxide particles in a hot aerosol were thermally charged, using those ceramic samples, and finally removed using electrical fields. The electrical charge of the particles and the efficiency of their removal were probed in this experiment for temperatures between 900 °C and 1300 °C. The thermal emission of electrons from the ceramic samples was also influenced by additional electric fields. Using either silicon carbide or a ceramic combination of aluminum oxide and zirconium oxide showed the best results. Ceramics including chromium oxide might therefore not be necessary for future applications of the thermionic electrical filter, which was developed together with the KIT and the Institute of Energy and Environmental Technology e.V. (IUTA), so that problematic chromium(VI) emissions would be avoidable. |
| 536 | _ | _ | |0 G:(DE-HGF)POF2-112 |a 112 - Concentrating Solar Systems (POF2-112) |c POF2-112 |f POF II |x 0 |
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| 913 | 1 | _ | |0 G:(DE-HGF)POF2-112 |1 G:(DE-HGF)POF2-110 |2 G:(DE-HGF)POF2-100 |a DE-HGF |b Energie |l Erneuerbare Energien |v Concentrating Solar Systems |x 0 |4 G:(DE-HGF)POF |3 G:(DE-HGF)POF2 |
| 914 | 1 | _ | |y 2012 |
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| 920 | _ | _ | |l yes |
| 920 | 1 | _ | |0 I:(DE-Juel1)IEK-2-20101013 |k IEK-2 |l Werkstoffstruktur und -eigenschaften |x 0 |
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