Výsledky vyhledávání - "Jerrik Mielby"

Catalytic dehydrogenation of ethanol over zinc-containing zeolites

Autor: Kai Gao, Jerrik Mielby, Søren Kegnæs

Publikováno v: Gao, K, Mielby, J & Kegnæs, S 2022, ' Catalytic dehydrogenation of ethanol over zinc-containing zeolites ', Catalysis Today, vol. 405-406, pp. 144-151 . https://doi.org/10.1016/j.cattod.2022.06.023

Catalytic dehydrogenation of ethanol produces acetaldehyde, an important precursor for several value-added chemicals such as acetic acid and acetate esters. In this paper, we demonstrate that Zn-containing MFI zeolites are highly active and selective

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::534ca6a3da12119d0f1967a39bd90792
https://doi.org/10.1016/j.cattod.2022.06.023

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In situ investigation of the CO2 methanation on carbon/ceria-supported Ni catalysts using modulation-excitation DRIFTS

Autor: Liliana P.L. Gonçalves, Jerrik Mielby, O. Salomé G.P. Soares, Juliana P.S. Sousa, Dmitri Y. Petrovykh, Oleg I. Lebedev, M. Fernando R. Pereira, Søren Kegnæs, Yury V. Kolen’ko

Publikováno v: Applied Catalysis B: Environmental
Applied Catalysis B: Environmental, 2022, 312, pp.121376. ⟨10.1016/j.apcatb.2022.121376⟩
Gonçalves, L P L, Mielby, J, Soares, O S G P, Sousa, J P S, Petrovykh, D Y, Lebedev, O I, Pereira, M F R, Kegnæs, S & Kolen’ko, Y V 2022, ' In situ investigation of the CO 2 methanation on carbon/ceria-supported Ni catalysts using modulation-excitation DRIFTS ', Applied Catalysis B: Environmental, vol. 312, 121376 . https://doi.org/10.1016/j.apcatb.2022.121376

The development of novel cost-efficient, high-performing catalysts for CO2 methanation that are active at low temperatures can be optimized through the understanding of the reaction mechanism on different materials. A series of Ni-based catalysts sup

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04dc98b51ed1ccc5344a61fdbcb346ad
https://hal.science/hal-03817315

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Recent advances in complete methane oxidation using zeolite‐supported metal nanoparticle catalysts

Autor: Rasmus Lykke Mortensen, Hendrik‐David Noack, Kim Pedersen, Susanne Mossin, Jerrik Mielby

Publikováno v: Mortensen, R L, Noack, H-D, Pedersen, K, Mossin, S & Mielby, J 2022, ' Recent advances in complete methane oxidation using zeolite-supported metal nanoparticle catalysts ', ChemCatChem, vol. 14, no. 16, e2021019 . https://doi.org/10.1002/cctc.202101924

The high fuel efficiency of natural gas makes it an attractive alternative to coal and oil during the transition towards renewable energy resources. Natural gas engines are needed to ensure a stable power grid that can accommodate fluctuations in ren

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4674d9530db0bb5bd0d7545e270eb503
https://orbit.dtu.dk/en/publications/e1e23199-fe12-4959-b431-d551e3b0e90e

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A shortcut to high-quality gmelinite through steam-assisted interzeolite transformation

Autor: Jerrik Mielby, Kristoffer Hauberg Møller, Dimitra Iltsiou, Farnoosh Goodarzi, Kasper Enemark-Rasmussen, Søren Kegnæs

Publikováno v: Mielby, J, Møller, K H, Iltsiou, D, Goodarzi, F, Enemark-Rasmussen, K & Kegnæs, S 2022, ' A shortcut to high-quality gmelinite through steam-assisted interzeolite transformation ', Microporous and Mesoporous Materials, vol. 330, 111606 . https://doi.org/10.1016/j.micromeso.2021.111606

Mechanochemical activation and steam-assisted interzeolite transformation offer a simple, fast and cost-efficient synthesis route to gmelinite (GME) zeolite. The use of faujasite (FAU) as the parent zeolite precursor facilitates the reaction and resu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60e39c42f5419ed9b12bc69eb5bed8cf
https://orbit.dtu.dk/en/publications/eafed960-0de2-4e7d-89bd-fad630b56b12

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CO2 methanation using metals nanoparticles supported on high surface area MgO

Autor: Farnoosh Goodarzi, Mikkel Kock, Jerrik Mielby, Søren Kegnæs

Publikováno v: Goodarzi, F, Kock, M, Mielby, J & Kegnæs, S 2023, ' CO 2 methanation using metals nanoparticles supported on high surface area MgO ', Journal of CO2 Utilization, vol. 69, 102396 . https://doi.org/10.1016/j.jcou.2023.102396

This work shows that Ru nanoparticles supported on high surface area nano MgO is a highly active and selective catalyst for CO2 methanation, which is a promising method to store renewable energy and limit the emission of greenhouse gasses. We studied

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::050e94114af659fa51ced57c40dcdf7a
https://doi.org/10.1016/j.jcou.2023.102396

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Nanoporous Carbon: Liquid-Free Synthesis and Geometry-Dependent Catalytic Performance

Autor: Ruoyu, Xu, Liqun, Kang, Johannes, Knossalla, Jerrik, Mielby, Qiming, Wang, Bolun, Wang, Junrun, Feng, Guanjie, He, Yudao, Qin, Jijia, Xie, Ann-Christin, Swertz, Qian, He, Søren, Kegnæs, Dan J L, Brett, Ferdi, Schüth, Feng Ryan, Wang

Publikováno v: ACS nano. 13(2)

Nanostructured carbons with different pore geometries are prepared with a liquid-free nanocasting method. The method uses gases instead of liquid to disperse carbon precursors, leach templates, and remove impurities, minimizing synthetic procedures a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::06640cf1a9d59bdac37a4ab15cd26087
https://pubmed.ncbi.nlm.nih.gov/30649849

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Method of producing zeolite encapsulated nanoparticles

Autor: Soeren Kegnaes, Jacob Oskar Abildstrøm, Jerrik Mielby, Agata Gallas-Hulin

Publikováno v: Kegnæs, S, Abildstrøm, J O, Mielby, J J & Gallas-Hulin, A, Method of producing zeolite encapsulated nanoparticles., Patent No. WO2015001122 .
Technical University of Denmark Orbit

The invention therefore relates to a method for producing zeolite, zeolite-like or zeotype encapsulated metal nanoparticles, the method comprises the steps of: 1) Adding one or more metal precursors to a silica or alumina source; 2) Reducing the one

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::70e9228d65ceee90df70d72cb730f601
https://orbit.dtu.dk/en/publications/2ae21c6e-0dbf-477c-a583-d3859c9d6e5f

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