Blar i NTNU Open på forfatter "Mathisen, Karina"
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Synthesis and characterization of hierarchical SAPO-5: A comparison with the conventional material
Caren Regine Zeiger (Master thesis, 2019) -
Synthesis And Characterization Of Noble Metal Nanoparticle Impregnated Metal-Organic Frameworks
Kirste, Karsten Granlund (Master thesis, 2013)Metal-Organic frameworks (MOF) is a new class of materials that are porous and crystalline. The materials are made of inorganic coordination centers linked together by organic molecules. MOFs have the advantage of the ... -
Synthesis of Hierarchical Metal Incorporated Zeotypes Isomorphous substitution of copper and iron into CHA and AFI topologies
Sørli, Guro (Doctoral theses at NTNU;2023:14, Doctoral thesis, 2023)The goal of the work in this dissertation is to synthesize catalysts needed for a greener future in which we utilize our limited resources more sustainably. In particular, the work focuses on the creation of isomorphous ... -
Synthesis of Silica Aerogels with Single-Site Iron for Heterogeneous Catalysis
Aasland, Gaute Holst (Master thesis, 2019)Jern ble inkorporert i silika aerogeler laget med "waterglass" silika-forløper. Co-forløper (CP) syntesemetoden ble brukt i kombinasjon med en mer økonomisk tørking ved lavere temperatur og trykk (APD). En ny metode med ... -
The effect of metal type in ion exchanged SAPO-34 for the direct conversion of methane to methanol
Unneberg, Ninni Maria (Master thesis, 2022)Formålet med denne masteroppgaven var å funksjonalisere chabazitt (CHA) zeotypen SAPO-34 ved konvensjonell ionebytting med Cu, Zn, Fe, Ag og Co, undersøke effekten av ionebyttingen og evaluere Me/SAPO-34-prøvene for partiell ... -
The Methylococcus capsulatus (Bath) Secreted Protein, MopE, Binds Both Reduced and Oxidized Copper
Ve, Thomas; Mathisen, Karina; Helland, Ronny; Karlsen, Odd Andre; Fjellbirkeland, Anne; Røhr, Åsmund Kjendseth; Andersson, K. Kristoffer; Pedersen, Rolf B.; Lillehaug, Johan R.; Jensen, Harald B. (Journal article; Peer reviewed, 2012) -
Understanding the effect of porosity and presence of silver in Cu:SAPO-34 as an HC-SCR catalyst, using propene or isobutane in a wet feed
de Vries, Erik Pieter (Master thesis, 2019)Effekten av porøsitet og sølv i Cu:SAPO-34 som en HC-SCR av NOx katalysator ble undersøkt, ved bruk av propen og isobutan som hydrokarboner i våt føde. Egne konvensjonelle og hierarkiske SAPO-34 prøver ble syntetisert, ved ... -
Understanding the Effect of Porosity of Cu:SAPO-34 and AgCu:SAPO-34 for the HC-SCR deNOx Reaction
Schjetlein, Ellen-Margrethe Meberg (Master thesis, 2018)This thesis is a continuation of another thesis written by Botne (2017)1. SAPO-34 with different porosity was ion-exchanged with copper and co-exchanged with copper and silver. The materials were tested for selective ... -
X-ray absorption spectroscopic studies on active metal sites in zeotypes during the selective catalytic reduction of NOx with propene in an oxygen rich atmosphere
Mathisen, Karina (Doktoravhandlinger ved NTNU, 1503-8181; 2005:130, Doctoral thesis, 2005)This thesis is concerned with the synthesis and characterisation of CuAPO-5, CuSAPO-5 and also copper ion-exchanged SAPO-5, SAPO-11 and ZSM-5. The ability of these materials to catalyse the selective reduction of NOx using ... -
XAS investigation of silica aerogel supported cobalt rhenium catalysts for ammonia decomposition
Kirste, Karsten Granlund; Laassiri, Said; Hu, Zhigang; Stoian, Dragos; Torrente-Murciano, Laura; Hargreaves, Justin S. J.; Mathisen, Karina (Peer reviewed; Journal article, 2020)The implementation of ammonia as a hydrogen vector relies on the development of active catalysts to release hydrogen on-demand at low temperatures. As an alternative to ruthenium-based catalysts, herein we report the ...