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Catalysts 2018, 8(1), 16; doi:10.3390/catal8010016

Stacked Wire Mesh Monoliths for the Simultaneous Abatement of VOCs and Diesel Soot

1
Instituto de Investigaciones en Catálisis y Petroquímica—INCAPE (UNL, CONICET), Facultad de Ingeniería Química, Santiago del Estero 2829, S3000AOM Santa Fe, Argentina
2
Departamento de Química Aplicada, UFI 56/11, Facultad de Química, Universidad del País Vasco, UPV/EHU, P° Lardizabal, 3, 20018 Donostia, Spain
*
Author to whom correspondence should be addressed.
Received: 12 December 2017 / Revised: 26 December 2017 / Accepted: 8 January 2018 / Published: 10 January 2018
(This article belongs to the Special Issue Structured and Micro-Structured Catalysts and Reactors)
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Abstract

Structured catalysts based on Pt,CeO2 deposited on stainless steel wire meshes were developed to build catalytic cartridges for the treatment of diesel exhaust gases. The cartridges were tested for the simultaneous combustion of volatile organic compounds (VOCs) and soot. To this end, n-hexane, acetyl acetate, and toluene were selected as probe molecules. Each of them were loaded together with real soot into the cartridges showing that while VOCs abatement takes place between 200 °C and 350 °C, soot combustion occurs in the 300–500 °C temperature range with an average maximum combustion rate at 420 °C. The catalytic cartridges were characterized by scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), and Brunauer-Emmett-Teller (BET) techniques. The mechanical stability of the coatings was confirmed by the ultrasound method. Air permeability of the cartridges prepared with different mesh sizes was also measured and the results were correlated using the Payri equation. View Full-Text
Keywords: diesel soot combustion; VOCs abatement; Pt,CeO2; wire mesh monoliths diesel soot combustion; VOCs abatement; Pt,CeO2; wire mesh monoliths
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Godoy, M.L.; Banús, E.D.; Sanz, O.; Montes, M.; Miró, E.; Milt, V.G. Stacked Wire Mesh Monoliths for the Simultaneous Abatement of VOCs and Diesel Soot. Catalysts 2018, 8, 16.

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