dc.date.accessioned | 2020-08-14T19:43:53Z | |
dc.date.available | 2020-08-14T19:43:53Z | |
dc.date.created | 2020-02-13T10:29:50Z | |
dc.date.issued | 2020 | |
dc.identifier.citation | Kvande, Karoline Pappas, Dimitrios Dyballa, Michael Martin Buono, Carlo Signorile, Matteo Borfecchia, Elisa Lomachenko, Kirill A. Arstad, Bjørnar Bordiga, Silvia Berlier, Gloria Olsbye, Unni Beato, Pablo Svelle, Stian . Comparing the Nature of Active Sites in Cu-loaded SAPO-34 and SSZ-13 for the Direct Conversion of Methane to Methanol. Catalysts. 2020, 10(2), 1-17 | |
dc.identifier.uri | http://hdl.handle.net/10852/78395 | |
dc.description.abstract | On our route towards a more sustainable future, the use of stranded and underutilized natural gas to produce chemicals would be a great aid in mitigating climate change, due to the reduced CO2 emissions in comparison to using petroleum. In this study, we investigate the performance of Cu-exchanged SSZ-13 and SAPO-34 microporous materials in the stepwise, direct conversion of methane to methanol. With the use of X-ray absorption spectroscopy, infrared (in combination with CO adsorption) and Raman spectroscopy, we compared the structure–activity relationships for the two materials. We found that SSZ-13 performed significantly better than SAPO-34 at the standard conditions. From CH4-TPR, it is evident that SAPO-34 requires a higher temperature for CH4 oxidation, and by changing the CH4 loading temperature from 200 to 300 °C, the yield (μmol/g) of SAPO-34 was increased tenfold. As observed from spectroscopy, both three- and four-fold coordinated Cu-species were formed after O2-activation; among them, the active species for methane activation. The Cu speciation in SAPO-34 is distinct from that in SSZ-13. These deviations can be attributed to several factors, including the different framework polarities, and the amount and distribution of ion exchange sites. | |
dc.language | EN | |
dc.rights | Attribution 4.0 International | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.title | Comparing the Nature of Active Sites in Cu-loaded SAPO-34 and SSZ-13 for the Direct Conversion of Methane to Methanol | |
dc.type | Journal article | |
dc.creator.author | Kvande, Karoline | |
dc.creator.author | Pappas, Dimitrios | |
dc.creator.author | Dyballa, Michael Martin | |
dc.creator.author | Buono, Carlo | |
dc.creator.author | Signorile, Matteo | |
dc.creator.author | Borfecchia, Elisa | |
dc.creator.author | Lomachenko, Kirill A. | |
dc.creator.author | Arstad, Bjørnar | |
dc.creator.author | Bordiga, Silvia | |
dc.creator.author | Berlier, Gloria | |
dc.creator.author | Olsbye, Unni | |
dc.creator.author | Beato, Pablo | |
dc.creator.author | Svelle, Stian | |
cristin.unitcode | 185,15,17,0 | |
cristin.unitname | Senter for materialvitenskap og nanoteknologi | |
cristin.ispublished | true | |
cristin.fulltext | original | |
cristin.qualitycode | 1 | |
dc.identifier.cristin | 1793759 | |
dc.identifier.bibliographiccitation | info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Catalysts&rft.volume=10&rft.spage=1&rft.date=2020 | |
dc.identifier.jtitle | Catalysts | |
dc.identifier.volume | 10 | |
dc.identifier.issue | 2 | |
dc.identifier.doi | https://doi.org/10.3390/catal10020191 | |
dc.identifier.urn | URN:NBN:no-81503 | |
dc.type.document | Tidsskriftartikkel | |
dc.type.peerreviewed | Peer reviewed | |
dc.source.issn | 2073-4344 | |
dc.identifier.fulltext | Fulltext https://www.duo.uio.no/bitstream/handle/10852/78395/2/catalysts-10-00191-v2.pdf | |
dc.type.version | PublishedVersion | |
cristin.articleid | 191 | |
dc.relation.project | NFR/237922 | |