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2021-09-28Zeitschriftenartikel DOI: 10.18452/23540
Pd/Alumina Catalysts for Beneficial Transformation of Harmful Freon R-22
dc.contributor.authorRadlik, Monika
dc.contributor.authorJuszczyk, Wojciech
dc.contributor.authorKemnitz, Erhard
dc.contributor.authorKarpiński, Zbigniew
dc.date.accessioned2021-10-14T09:11:52Z
dc.date.available2021-10-14T09:11:52Z
dc.date.issued2021-09-28none
dc.date.updated2021-10-01T16:55:59Z
dc.identifier.urihttp://edoc.hu-berlin.de/18452/24198
dc.description.abstractChlorodifluoromethane (R-22), the most abundant freon in the atmosphere, was subjected to successful hydrodechlorination in the presence of palladium supported on γ-alumina, at a relatively low reaction temperature (180 °C). The combination of catalytic actions of alumina (performing freon dismutation) and Pd nanoparticles (catalyzing C–Cl bond splitting in the presence of hydrogen) results in the transformation of freon into valuable, chlorine-free products: methane and fluoroform, the mixture of which is used in plasma etching of silicon and silicon nitride. Very highly metal dispersed Pt/Al2O3 catalysts, with metal particles of ~1.3 nm in size, are not as effective as Pd/Al2O3, resulting in only partial dechlorination. A long-term dechlorination screening (3–4 days) showed good catalytic stability of Pd/alumina catalysts.eng
dc.language.isoengnone
dc.publisherHumboldt-Universität zu Berlin
dc.rights(CC BY 4.0) Attribution 4.0 Internationalger
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectPd/Al2O3eng
dc.subjecteffective hydrodechlorination of freon R-22eng
dc.subjecttime-on-stream catalytic behavioreng
dc.subject.ddc540 Chemie und zugeordnete Wissenschaftennone
dc.titlePd/Alumina Catalysts for Beneficial Transformation of Harmful Freon R-22none
dc.typearticle
dc.identifier.urnurn:nbn:de:kobv:11-110-18452/24198-0
dc.identifier.doihttp://dx.doi.org/10.18452/23540
dc.type.versionpublishedVersionnone
local.edoc.pages11none
local.edoc.type-nameZeitschriftenartikel
local.edoc.container-typeperiodical
local.edoc.container-type-nameZeitschrift
dc.description.versionPeer Reviewednone
dc.identifier.eissn2073-4344
dcterms.bibliographicCitation.doi10.3390/catal11101178none
dcterms.bibliographicCitation.journaltitleCatalystsnone
dcterms.bibliographicCitation.volume11none
dcterms.bibliographicCitation.issue10none
dcterms.bibliographicCitation.articlenumber1178none
dcterms.bibliographicCitation.originalpublishernameMDPInone
dcterms.bibliographicCitation.originalpublisherplaceBaselnone
bua.import.affiliationRadlik, Monika; 1Faculty of Mathematics and Natural Sciences, College of Exact Sciences, Cardinal Stefan Wyszyński University in Warsaw, ul. Wóycickiego 1/3, PL-01938 Warszawa, Poland; m.radlik@uksw.edu.plnone
bua.import.affiliationJuszczyk, Wojciech; 2Institute of Physical Chemistry, Polish Academy of Sciences, ul. Kasprzaka 44/52, PL-01224 Warszawa, Polandnone
bua.import.affiliationKemnitz, Erhard; 3Institut für Chemie, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin-Adlershof, Germanynone
bua.import.affiliationKarpiński, Zbigniew; 1Faculty of Mathematics and Natural Sciences, College of Exact Sciences, Cardinal Stefan Wyszyński University in Warsaw, ul. Wóycickiego 1/3, PL-01938 Warszawa, Poland; m.radlik@uksw.edu.plnone
bua.departmentMathematisch-Naturwissenschaftliche Fakultätnone

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