Zobrazeno 1 - 10
of 1 180
pro vyhledávání: '"Flame synthesis"'
Publikováno v:
Journal of Chemical Engineering of Japan, Vol 57, Iss 1 (2024)
AbstractIn this study, 60 wt% Ni on xSiO2–(1 – x)CeO2 catalysts were prepared by flame spray pyrolysis, and the effects of SiO2 fraction (x = 0–0.2) on the material properties and catalytic activity of CO2 methanation were investigated. After r
Externí odkaz:
https://doaj.org/article/d6594b726447472d8e5be108347392e9
Autor:
Monika Michalkova, Jozef Kraxner, Mahmoud Mokhtar, Palkova Helena, Ghadamyari Marzieh, Prnova Anna, Galusek Dusan
Publikováno v:
Ceramics-Silikáty, Vol 68, Iss 2, Pp 174-180 (2024)
The presence of residual carbon in powder precursors prepared using the sol-gel method can pose significant challenges in producing ceramics and glasses of high quality. In the case of glass, carbon dioxide formation during the glass-melt heating pro
Externí odkaz:
https://doaj.org/article/50cf816023484932b400c66283b526eb
Autor:
Sebastian Klukas, Marcus Giglmaier, Martin Underberg, Sophie M. Schnurre, Markus M. Prenting, Torsten Endres, Hartmut Wiggers, Christof Schulz, Moritz Sieber, Sebastian Schimek, Christian O. Paschereit, Nikolaus A. Adams
Publikováno v:
Applications in Energy and Combustion Science, Vol 18, Iss , Pp 100263- (2024)
This study analyzes burner scale-dependent effects for iron-oxide nanoparticles synthesis in spray flames through a combined experimental and numerical approach. A laboratory- and a pilot plant-scale synthesis facility generate iron oxide nanoparticl
Externí odkaz:
https://doaj.org/article/55f27fd884304f1795d9816e9e41a3b8
Autor:
Xiaochun Hu, Qianwenhao Fan, Mingwu Tan, Yuqing Luo, Xianyue Wu, Manoel Y. Manuputty, Jie Ding, Tej S. Choksi, Markus Kraft, Rong Xu, Zhiqiang Sun, Wen Liu
Publikováno v:
Carbon Energy, Vol 6, Iss 4, Pp n/a-n/a (2024)
Abstract The surface properties of oxidic supports and their interaction with the supported metals play critical roles in governing the catalytic activities of oxide‐supported metal catalysts. When metals are supported on reducible oxides, dynamic
Externí odkaz:
https://doaj.org/article/596f99e9dccd4cccb22630c92fff3333
Publikováno v:
Nanomaterials, Vol 14, Iss 15, p 1278 (2024)
Since solid electrolytes have a broad electrochemical stability window, are exceptionally electrochemically stable against Li metal, and function as a physical separator to prevent dendrite growth, they are at the forefront of alternate possibilities
Externí odkaz:
https://doaj.org/article/22798974a1fc4546ba2c42dae1ea7b3f
Autor:
Prnová Anna, Valúchová Jana, Parchovianský Milan, Švančárek Peter, Šimko František, Rakhmatullin Aydar, Pálková Helena, Branislav Hruška, Klement Róbert, Galusek Dušan
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 2333-2351 (2023)
Five compositions in the system Al2O3–Y2O3 with high level of homogeneity were prepared in the form of glass microspheres by flame synthesis. The amorphous nature of prepared glasses with highly disordered structure was confirmed by X-ray diffracti
Externí odkaz:
https://doaj.org/article/f31f3fb35eb6498baedee219c18424e3
Autor:
Ricardo Tischendorf, Orlando Massopo, Oleg Prymak, Sophie Dupont, Fabian Fröde, Heinz Pitsch, Reinhold Kneer, Hans-Joachim Schmid
Publikováno v:
Applications in Energy and Combustion Science, Vol 17, Iss , Pp 100235- (2024)
In order to standardize spray flame synthesis (SFS) studies, intensive work has been done in recent years on the design of burner types. Thus, in 2019, the so-called SpraySyn1 burner was introduced (SS1), which was subsequently characterized in numer
Externí odkaz:
https://doaj.org/article/ad2136c75ccc43a997a562c0fedc6fe6
Autor:
Muhammad Hilmi Ibrahim, Norikhwan Hamzah, Mohd Zamri Mohd Yusop, Ni Luh Wulan Septiani, Mohd Fairus Mohd Yasin
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 14, Iss 1, Pp 741-750 (2023)
The growth of carbon nanotubes (CNTs) in a flame requires conditions that are difficult to achieve in a highly heterogeneous environment. Therefore, the analysis of the properties of the reaction zone within the flame is critical for the optimal grow
Externí odkaz:
https://doaj.org/article/2e2329037c3f4d608365cd36a55d075e
Autor:
Sascha Apazeller, Sadrollah Karaminejad, Monika Nanjaiah, Hartmut Wiggers, Torsten Endres, Irenäus Wlokas, Christof Schulz
Publikováno v:
Applications in Energy and Combustion Science, Vol 16, Iss , Pp 100199- (2023)
To enable the investigation of the flame chemistry of precursor-laden nanoparticle forming spray flames in quasi-one-dimensional geometry, a matrix burner was developed in which a laminar flat flame is uniformly supplied with liquid aerosol. In the p
Externí odkaz:
https://doaj.org/article/fbd10816421a47ff89aeb06c3d94a30e
Publikováno v:
Applications in Energy and Combustion Science, Vol 15, Iss , Pp 100190- (2023)
Among various optical diagnostics for the characterization of particle formation in flames, laser-induced incandescence (LII), developed for soot particles, is attracting attention for the study of flame synthesis of metal-oxides. Among them, TiO2 na
Externí odkaz:
https://doaj.org/article/92a237e4f70844bab3bcf09b2653df5f