Výsledky vyhledávání - "Cristina Stere"

Investigation of the deactivation of a washcoated monolith using a spatially resolved technique

Autor: Yuhan Wang, Cristina Stere, Geoffrey McCullough, Mingyang Li, Alexandre Goguet

Publikováno v: Wang, Y, Stere, C, McCullough, G, Li, M & Goguet, A 2023, ' Investigation of the deactivation of a washcoated monolith using a spatially resolved technique ', Catalysis Science & Technology, vol. 13, no. 6, pp. 1802-1817 . https://doi.org/10.1039/D2CY01961B

A spatially resolved technique was used to investigate the impact of deactivation on the spatial distribution of the effective diffusion in an aged washcoated monolith catalyst. The technique was applied to the investigation of the reactants and prod

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c0765e2b73d75aa1501c456a45023a5
https://pure.qub.ac.uk/en/publications/a4e1f4e3-a62a-4ead-a859-816866741d97

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Optimization of non-thermal plasma-assisted catalytic oxidation for methane emissions abatement as an exhaust aftertreatment technology

Autor: Rahman Gholami, Cristina Stere, Sarayute Chansai, Amit Singhania, Alexandre Goguet, Peter Hinde, Paul Millington, Christopher Hardacre

Publikováno v: Gholami, R, Stere, C, Chansai, S, Singhania, A, Goguet, A, Hinde, P, Millington, P & Hardacre, C 2022, ' Optimization of non-thermal plasma-assisted catalytic oxidation for methane emissions abatement as an exhaust aftertreatment technology ', Plasma Chemistry and Plasma Processing, vol. 42, no. 4, pp. 709-730 . https://doi.org/10.1007/s11090-022-10253-3

While methane-powered vehicles produce fewer greenhouse gas emissions in comparison to conventional fuel vehicles, there is a significant amount of methane slip in their exhaust that needs to be treated. This study investigates non-thermal plasma (NT

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd26c60e78db9664302d01ed127f33b8
https://pure.qub.ac.uk/en/publications/ec008b57-83f0-4eae-b2e9-8bbff42f4d2b

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Mechanistic investigation of non-thermal plasma-assisted hydrogenation of CO2 using in-house developed plug flow NTP-DRIFTS reactor

Autor: Cristina Stere, Chris Hardacre, Xiaolei Fan, Huanhao Chen, Shanshan Xu, Sarayute Chansai

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f80d8add2d203f66608be8a8dc8e159
https://doi.org/10.1021/scimeetings.0c03618

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Acylation of sulfonamines using silica grafted 1-butyl-3-(3-triethoxysilylpropyl)-4,5-dihydroimidazolium ionic liquids as catalysts

Autor: Cristina Paun, Simona M. Coman, Cristina Stere, Christopher Hardacre, Peter Goodrich, Vasile I. Parvulescu

Publikováno v: Catalysis Today. 131:98-103

Heterogeneous immobilized ionic liquid catalysts were prepared via grafting of 1,3-dimethyl-3-(3-triethoxysilylpropyl)-imidazolium tetrafluoroborate or bis{(trifluoromethyl)sulfonyl} imide ([NTf 2 ] − ) on silica supports with different surfaces an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::637d09f3af6ad02af47d1ed8d07e92f3
https://doi.org/10.1016/j.cattod.2007.10.028

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New heterogeneous catalysts for greener routes in the synthesis of fine chemicals

Autor: Georgeta Pop, Pedro Amorós, Cristina Stere, Vasile I. Parvulescu, Daniel Beltrán, Jamal El Haskouri, Simona M. Coman

Publikováno v: Journal of Catalysis. 251:388-399

New strong Lewis acid SnTf-MCM-41 and SnTf-UVM-7 catalysts with unimodal and bimodal pore systems were prepared in a two-step synthesis in which the triflic acid (Tf) was incorporated to previously synthesized mesoporous tin-containing silicas. The S

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f9e580e39406c60c39b59acca467f968
https://doi.org/10.1016/j.jcat.2007.08.001

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Anionic and ionic coordinative polymerization of ?-caprolactone

Autor: Mihaela-Corina Iovu, Dan Sorin Vasilescu, A. G. Boborodea, Cristina Stere, Horia Iovu, Simon James Read

Publikováno v: Polymers for Advanced Technologies. 12:300-305

The polymerization of ϵ-caprolactone initiated by two catalyst systems was studied: (1) carbazole-potassium in the presence of 18-crown-6 ether and (2) NdCl3/TBP/TIBA (neodymiumtrichloride/tri-n-butyl-phosphate/triisobutylaluminium) at the molar rat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::12448d5cc1f3e46a11ea223b489a9773
https://doi.org/10.1002/pat.68

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Characterisation of gel permeation chromatography column by fractal geometry

Autor: Cristina Stere, Dan Sorin Vasilescu, A. G. Boborodea, M. Clemens

Publikováno v: Polymer Bulletin. 44:525-532

General aspects of fractal geometry are treated, and a mathematic model for characterisation of chromatographic gel behaviour is presented. The fractal dimension of the porous gel within a Waters Styragel HT 5 chromatography column, df= 2.3, as well

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d3d787b49b3467c086760478b507e33e
https://doi.org/10.1007/s002890070074

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'Green' Acylation of Aromatic Sulfonamides in Heterogeneous Catalysis

Autor: Daniel Beltr√°n, Pedro Amor√≥s, Vasile Parvulescu, Simona Coman, Jamal El Haskouri, Cristina Stere

Publikováno v: Catalysis of Organic Reactions ISBN: 9781420070767

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d8c2ee5e5e06a211dcd00bdabf25a974
https://doi.org/10.1201/9781420070774.ch48

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