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  Influence of the degree of infiltration of modified activated carbons with CuO/ZnO on the separation of NO2 at ambient temperatures

Sager, U., Däubner, E., Bathen, D., Asbach, C., Schmidt, F., Tseng, J.-C., et al. (2016). Influence of the degree of infiltration of modified activated carbons with CuO/ZnO on the separation of NO2 at ambient temperatures. Adsorption Science & Technology, 34(4-5), 307-319. doi:10.1177/0263617416653120.

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Sager, Uta1, Autor
Däubner, Eckhard1, Autor
Bathen, Dieter1, Autor
Asbach, Christof1, Autor
Schmidt, Frank2, Autor
Tseng, Jo-Chi3, Autor           
Pommerin, Andre4, Autor           
Weidenthaler, Claudia3, Autor           
Schmidt, Wolfgang5, Autor           
Affiliations:
1Institut für Energie- und Umwelttechnik e. V., Bliersheimer Str. 58-60, D-47229 Duisburg, Germany., ou_persistent22              
2Universität Duisburg-Essen, Germany, ou_persistent22              
3Research Group Weidenthaler, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1950291              
4Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              
5Research Group Schmidt, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445618              

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Schlagwörter: NO2; activated carbon; metal oxide; air filtration; enhanced adsorbents
 Zusammenfassung: The reduction of NO2 in air at ambient temperatures with activated carbons can be increased by the infiltration of metal oxide nanoparticles into the sorbents. The NO2 is first adsorbed to the activated carbon and subsequently catalytically reduced to physiologically neutral substances by the metal oxides. The catalytic reduction at ambient temperatures is rather slow. In a former study concerning the application in cabin air filters, it was shown that the modification of activated carbon with 5 wt% CuO/ZnO leads to reduced breakthrough of NO2 and that the adsorbent was able to regenerate between repeated NO2 adsorption cycles. Here we show that the efficiency of the sorbent can be more than doubled by increasing the metal oxide infiltration to 20 wt% whereas a further increase in loading yields no additional improvement, due to a partial transformation of the oxidic compounds.

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Sprache(n): eng - English
 Datum: 2016-06-01
 Publikationsstatus: Erschienen
 Seiten: 13
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1177/0263617416653120
 Art des Abschluß: -

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Titel: Adsorption Science & Technology
  Kurztitel : Adsorpt. Sci. Technol.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Oxford : Blackwell Scientific Publications
Seiten: - Band / Heft: 34 (4-5) Artikelnummer: - Start- / Endseite: 307 - 319 Identifikator: ISSN: 0263-6174
CoNE: https://pure.mpg.de/cone/journals/resource/954928552345