Ceramic Diesel Particulate Filters

Adler, J.

doi:10.1111/j.1744-7402.2005.02044.x

Cited by 294 publications

(135 citation statements)

References 37 publications

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“…Tel: +4545256471. E-mail: jakob.wagner@cen.dtu.dk gas by filtration through a ceramic filter [7,8]. The filter needs periodic regeneration, in which the filter temperature is increased, and the soot is burned away.…”

Section: Introductionmentioning

confidence: 99%

Visualizing the mobility of silver during catalytic soot oxidation

Gardini

Christensen

Damsgaard

et al. 2016

Applied Catalysis B: Environmental

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The catalytic activity and mobility of silver nanoparticles used as catalysts in temperature programmed oxidation of soot:silver (1:5 wt:wt) mixtures have been investigated by means of flow reactor experiments and in situ environmental transmission electron microscopy (ETEM). The carbon oxidation temperature was significantly lower compared to uncatalyzed soot oxidation with soot and silver loosely stirred together (loose contact) and lowered further with the two components crushed together (tight contact). The in situ TEM investigations revealed that the silver particles exhibited significant mobility during the soot oxidation, and this mobility, which increases the soot/catalyst contact, is expected to be an important factor for the lower oxidation temperature. In the intimate tight contact mixture the initial dispersion of the silver particles is greater, and the onset of mobility occurs at a lower temperature which is consistent with the lower oxidation temperature of the tight contact mixture.

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Section: Introductionmentioning

confidence: 99%

Visualizing the mobility of silver during catalytic soot oxidation

Gardini

Christensen

Damsgaard

et al. 2016

Applied Catalysis B: Environmental

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“…Shrinkage of the pore size, by measuring the sample with a caliper before and after sintering, is about 13% with respect to original polyurethane size, similar to the results reported by Tang et al 21 . The material is highly refractory up to at least 1600 °C, agreeing with Adler 5 , although at high temperatures the resistance to mechanical compression of this foam is expected to be low. The mullite microstructure creates a critical connecting link between process and properties.…”

Section: Resultsmentioning

confidence: 58%

“…Ceramic foam and cellular ceramics have a wide range of applications: gas filters, catalyst supports 5,6 , thermal insulation, refractory materials, biomedical materials for bone implants 7 , high-specific strength materials, high-efficiency combustion burners, etc. Their development speeded up during the eighties of the twentieth century [8][9][10] specifically for filtration in metal smelting applications.…”

Section: Introductionmentioning

confidence: 99%

Experience on a Low Cost Way to Obtainal-Ti Ceramic Foams

2015

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An experience on a simple process for producing alumina-rutile-mullite ceramic foams by using aqueous particulate slurries is proposed. The sintering process is achieved in one unique thermal process at 1200 ºC in air. The description of the process, physical properties and morphological studies are reported. Microstructure is studied by using confocal optical microscopic technique. The highly active porous foam structure of this ceramic material produced according to the low-cost process presented here could extend its use in a broad range of applications, such as catalytic, biomedical scaffolds, filtering, etc.

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“…For K = 150 [48], Equation (16) delivers a value of k ∼ 7.5 × 10 −11 m 2 , which is in fair agreement with the permeability of the catalytic substrates used in automotive applications [13,48]. Table 1 resumes the main parameters adopted for the LBM simulations.…”

Section: Selective Catalytic Reduction Of No X Emissionsmentioning

confidence: 55%

Simulating Engineering Flows through Complex Porous Media via the Lattice Boltzmann Method

Krastev

Falcucci

2018

Energies

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Abstract:In this paper, recent achievements in the application of the lattice Boltzmann method (LBM) to complex fluid flows are reported. More specifically, we focus on flows through reactive porous media, such as the flow through the substrate of a selective catalytic reactor (SCR) for the reduction of gaseous pollutants in the automotive field; pulsed-flow analysis through heterogeneous catalyst architectures; and transport and electro-chemical phenomena in microbial fuel cells (MFC) for novel waste-to-energy applications. To the authors' knowledge, this is the first known application of LBM modeling to the study of MFCs, which represents by itself a highly innovative and challenging research area. The results discussed here essentially confirm the capabilities of the LBM approach as a flexible and accurate computational tool for the simulation of complex multi-physics phenomena of scientific and technological interest, across physical scales.

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Ceramic Diesel Particulate Filters

Cited by 294 publications

References 37 publications

Visualizing the mobility of silver during catalytic soot oxidation

Visualizing the mobility of silver during catalytic soot oxidation

Experience on a Low Cost Way to Obtainal-Ti Ceramic Foams

Simulating Engineering Flows through Complex Porous Media via the Lattice Boltzmann Method

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