Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Ekaterina Kholkina"'
Autor:
Ekaterina Kholkina, Narendra Kumar, Kari Eränen, Markus Peurla, Heikki Palonen, Jarno Salonen, Juha Lehtonen, Dmitry Yu. Murzin
Publikováno v:
Ultrasonics Sonochemistry, Vol 73, Iss , Pp 105503- (2021)
Waste minimization strategy was applied in the current work for synthesis of the catalysts from industrial solid waste, namely desulfurization slag. The starting slag material comprising CaCO3, Ca(OH)2, SiO2, Al2O3, Fe2O3, and TiO2 was processed by v
Externí odkaz:
https://doaj.org/article/066bcd25f43d42f29de39821d6014ef1
Autor:
Dmitry Yu. Murzin, Christian Lindfors, Jarno Salonen, Marcus Perula, Janne Peltonen, Juha Lehtonen, Ekaterina Kholkina, Taina Ohra-aho, Narendra Kumar
Publikováno v:
Kholkina, E, Kumar, N, Ohra-aho, T, Lehtonen, J, Lindfors, C, Perula, M, Peltonen, J, Salonen, J & Murzin, D Y 2020, ' Transformation of industrial steel slag with different structure-modifying agents for synthesis of catalysts ', Catalysis Today, vol. 355, pp. 768-780 . https://doi.org/10.1016/j.cattod.2019.04.033
Industrial slag containing Si, Al, Ca, Fe, Mg and Ti was used as source for synthesis of novel catalytic materials upon variation of the treating agents (sodium hydroxide, ethylenediaminetetraacetic acid disodium salt dihydrate - sodium hydroxide and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f163e31f3a07e94ef61bce6295b748a5
https://doi.org/10.1016/j.cattod.2019.04.033
https://doi.org/10.1016/j.cattod.2019.04.033
Autor:
Johan Wärnå, Narendra Kumar, Ekaterina Kholkina, Markus Peurla, Juha Lehtonen, Dmitry Yu. Murzin, Vincenzo Russo, Kari Eränen, Jani Rahkila
Publikováno v:
Kholkina, E, Kumar, N, Eränen, K, Russo, V, Rahkila, J, Peurla, M, Wärnå, J, Lehtonen, J & Murzin, D Y 2021, ' Carboxymethylation of cinnamylalcohol with dimethyl carbonate over the slag-based catalysts ', Reaction Kinetics, Mechanisms and Catalysis, vol. 133, no. 2, pp. 601-630 . https://doi.org/10.1007/s11144-021-02021-9
The carboxymethylation of cinnamylalcohol with dimethyl carbonate was performed using low-cost catalysts obtained from desulfurization slag. Processing of steel slag performed by different techniques was resulted in a wide range of the catalysts with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::faa8eb92dec2e6b99a5bbc931d7e396e
https://cris.vtt.fi/en/publications/77e3d091-eef8-41a5-9232-127f844e2c8f
https://cris.vtt.fi/en/publications/77e3d091-eef8-41a5-9232-127f844e2c8f
Autor:
Ekaterina Kholkina, Chloe Lozachmeuer, Dmitry Yu. Murzin, Päivi Mäki-Arvela, Nataliya D. Shcherban, Roman Barakov
Publikováno v:
Chinese Journal of Catalysis. 40:1713-1720
Several ZSM-5 derived micro-mesoporous catalysts were investigated in Prins cyclisation of (–)-isopulegol with benzaldehyde acting as a reactant and a solvent for production of heterocyclic oxygen containing 2H-chromene derivatives including the te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d8710b27b8f6b25cfc63f3da1f75be8e
https://doi.org/10.1016/s1872-2067(19)63305-x
https://doi.org/10.1016/s1872-2067(19)63305-x
Autor:
Risto Savela, Dmitry Yu. Murzin, Reko Leino, Annabelle Krauβ, Nataliya D. Shcherban, Otto Långvik, Ekaterina Kholkina, Irina L. Simakova, Marko Melander, Igor Bezverkhyy, Karoliina Honkala, Tamara Schindler
Publikováno v:
Catalysis Science & Technology
Catalysis Science & Technology, Royal Society of Chemistry, 2020, 11, pp.1481-1496. ⟨10.1039/d0cy01886d⟩
Catalysis Science & Technology, Royal Society of Chemistry, 2020, 11, pp.1481-1496. ⟨10.1039/d0cy01886d⟩
International audience; Selective hydrogenation of unsaturated imines over heterogeneous catalysts is an ecologically feasible and effective way to produce commercially valuable saturated imines and unsaturated amines under mild conditions, avoiding
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dafe843e1fa418748ce609ffb366cac5
https://hal.archives-ouvertes.fr/hal-03394814/file/CatSciTech_2021.pdf
https://hal.archives-ouvertes.fr/hal-03394814/file/CatSciTech_2021.pdf
Autor:
Janne Peltonen, Ekaterina Kholkina, Taina Ohra-aho, Christian Lindfors, Narendra Kumar, Dmitry Yu. Murzin, Jarno Salonen, Juha Lehtonen, Marcus Perula
Publikováno v:
Kholkina, E, Kumar, N, Ohra-aho, T, Lehtonen, J, Lindfors, C, Perula, M, Peltonen, J, Salonen, J & Murzin, D Y 2019, ' Synthesis and Characterization of Novel Catalytic Materials Using Industrial Slag : Influence of Alkaline Pretreatment, Synthesis Time and Temperature ', Topics in Catalysis, vol. 62, pp. 738-751 . https://doi.org/10.1007/s11244-019-01162-5
Industrial ferrous wastes found their application in construction. However, they are mostly stored polluting the environment. In the current work, possibility of value added products synthesis from steel slag with their further use as catalysts was i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64d5fda8b2644bd4cc20f925809efd73
https://cris.vtt.fi/en/publications/03f46274-431f-4b9d-98dd-d2311d49b293
https://cris.vtt.fi/en/publications/03f46274-431f-4b9d-98dd-d2311d49b293
Autor:
Markus Peurla, Nikolai Li-Zhulanov, Janne Peltonen, Anna O. Zaykovskaya, Päivi Mäki-Arvela, Dmitry Yu. Murzin, Stéphane Streiff, Bright T. Kusema, Atte Aho, Ekaterina Kholkina, Ivo Heinmaa, Narendra Kumar
Publikováno v:
Microporous and Mesoporous Materials. 302:110236
Synthesis of Beta zeolite catalysts was carried out using two different methods. The influence of such parameters as synthesis time and temperature, gel composition and gel ripening on the physico-chemical and catalytic properties of Beta zeolite cat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e9ae7faa1f04c3dac3f13ef84dfdea2
https://doi.org/10.1016/j.micromeso.2020.110236
https://doi.org/10.1016/j.micromeso.2020.110236
Autor:
Alexander Yu. Sidorenko, Atte Aho, Andreia F. Peixoto, Päivi Mäki-Arvela, Cristina Freire, Nariman F. Salakhutdinov, Ekaterina Kholkina, Dmitry Yu. Murzin, Konstantin P. Volcho, Nikolai Li-Zhulanov, Mathias Laluc, Thomas Sandberg
Publikováno v:
Molecular Catalysis. 478:110569
Prins cyclization of (-)-isopulegol with benzaldehyde was investigated with sulphur containing halloysite nanotubes, K10 clays and Cloisite clays. The catalysts were characterized by TEM, SEM, XRD, XPS, pyridine adsorption desorption by FTIR, nitroge
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1159b50d1a3faa9e3381eaa106cbfa51
https://doi.org/10.1016/j.mcat.2019.110569
https://doi.org/10.1016/j.mcat.2019.110569
Autor:
Marc Borrega, Taina Ohra-aho, Tiina Liitiä, Juha Lehtonen, Tarja Tamminen, Ekaterina Kholkina, Narendra Kumar, Dmitry Yu. Murzin, Kristien De Sitter, Kelly Servaes
Publikováno v:
VTT Technical Research Centre of Finland-PURE
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::78d5f2adddd96841639c26d200735185
https://cris.vtt.fi/en/publications/ecc5ea4b-b247-4a09-85c6-59a277df7cb4
https://cris.vtt.fi/en/publications/ecc5ea4b-b247-4a09-85c6-59a277df7cb4