Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Hazel Stephenson"'
Autor:
Angelos M. Efstathiou, Soghomon Boghosian, Deb Harris, Chrysanthi Andriopoulou, Hazel Stephenson
Publikováno v:
Catalysts
Volume 10
Issue 4
Catalysts, Vol 10, Iss 462, p 462 (2020)
Volume 10
Issue 4
Catalysts, Vol 10, Iss 462, p 462 (2020)
In situ Raman spectroscopy was used at temperatures in the 50&ndash
480 °
C range under oxidizing (20% O2/He) and reducing (5% H2/He) flowing gas atmospheres to compare the spectra obtained for a series of industrial rare earth doped Cex
480 °
C range under oxidizing (20% O2/He) and reducing (5% H2/He) flowing gas atmospheres to compare the spectra obtained for a series of industrial rare earth doped Cex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5de54daa950888e650d3e468f07f6197
Publikováno v:
Energy Procedia. 37:1658-1669
Among the greenhouse gasses, CO2 emissions are of great concern. Releasing 4Gt fossil carbon results in an annual increase in the atmospheric concentration of CO2 by 1 ppm. As the demand for fuel increases progressively with worldwide economic progre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cd50d470d6c445fa21ffdf6bb0d7160b
Publikováno v:
Chemical Engineering Journal. 146:249-258
Equilibrium and kinetics of CO2 reaction with lithium zirconates synthesised by two different methods are reported. Considerably faster rates of high temperature reaction were obtained for the new material synthesised by a soft-chemistry route withou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15b76be99fc8a0e8a2ffa53c20d9fc51
https://doi.org/10.1016/j.cej.2008.06.006
https://doi.org/10.1016/j.cej.2008.06.006
Autor:
Pekka Simell, Outi Krause, Tiia Viinikainen, Hanne Rönkkönen, Matti Reinikainen, Sanna M.K. Airaksinen, Heather Bradshaw, Hazel Stephenson
Publikováno v:
Viinikainen, T, Rönkkönen, H, Bradshaw, H, Stephenson, H, Airaksinen, S, Reinikainen, M, Simell, P & Krause, O 2009, ' Acidic and basic surface sites of zirconia-based biomass gasification gas clean-up catalysts ', Applied Catalysis A: General, vol. 362, no. 1-2, pp. 169-177 . https://doi.org/10.1016/j.apcata.2009.04.037
The surface structures of ZrO2, Y2O3–ZrO2 and SiO2–ZrO2 catalysts were studied in relation to their basicity and acidity, and the relationship between surface structure and gasification gas clean-up activity was evaluated. The physical properties
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff001902b6a429995faa1e1ab2f7a3eb
https://cris.vtt.fi/en/publications/badc7432-b229-4d80-87c9-6d8cfe5a1874
https://cris.vtt.fi/en/publications/badc7432-b229-4d80-87c9-6d8cfe5a1874
Autor:
Anu Solla, Pekka Simell, Matti Reinikainen, Hanne Rönkkönen, Outi Krause, Heather Bradshaw, Hazel Stephenson, Gary Monks
Publikováno v:
Solla, A, Simell, P, Reinikainen, M, Rönkkönen, H, Krause, O, Bradshaw, H, Stephenson, H & Monks, G 2007, ' Development of zirconia catalysts for hot gas cleanup ', Paper presented at European Catalysis Conference, Europacat VIII, Turku, Finland, 26/08/07-31/08/07 .
VTT Technical Research Centre of Finland-PURE
VTT Technical Research Centre of Finland-PURE
Cleaning of gasification gas is essential, because tar may cause operational problems in downstream processes. Zirconia catalysts are active in tar decomposition with minor tendency to coking and deactivation by sulfur. This study describes the catal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::a64d84279694612ee90ce7580ea05497
https://cris.vtt.fi/en/publications/7b9c8a84-0a81-41f8-9439-dc4d61521b72
https://cris.vtt.fi/en/publications/7b9c8a84-0a81-41f8-9439-dc4d61521b72
