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  1. No Access

    Article

    Plasma-catalytic hybrid process for CO2 methanation: optimization of operation parameters

    The present study focuses on the hybrid plasma catalytic process for CO2 methanation. This plasma-catalytic process, based on the combination of a DBD plasma and Ni/CeZrO2 catalyst, has several advantages over co...

    M. Mikhail, B. Wang, R. Jalain, S. Cavadias… in Reaction Kinetics, Mechanisms and Catalysis (2019)

  2. No Access

    Article

    Experimental investigation on the influence of the presence of alkali compounds on the performance of a commercial Pt–Pd/Al2O3 diesel oxidation catalyst

    Experimental investigation was conducted on the influence of the presence of alkali compounds such as K and Na present in biofuels on catalytic behaviors of a commercial diesel oxidation catalyst (Pt/Pd/Al2O3) in...

    Y. **e, M. E. Galvez, A. Matynia… in Clean Technologies and Environmental Policy (2018)

  3. No Access

    Article

    Biofuel Impact on Diesel Engine After-Treatment: Deactivation Mechanisms and Soot Reactivity

    Since 2014 (Euro VI), heavy goods vehicles must be equipped with a complex exhaust gas post-treatment system including a diesel oxidation catalyst (DOC), a catalyst for the selective reduction of NOx (SCR), and a...

    E. Iojoiu, V. Lauga, J. Abboud, G. Legros… in Emission Control Science and Technology (2018)

  4. No Access

    Article

    Methane, Propene and Toluene Oxidation by Plasma-Pd/γ-Al2O3 Hybrid Reactor: Investigation of a Synergetic Effect

    The combination of a sub-microsecond pulsed dielectric barrier discharge with Pd/γ-Al2O3 catalyst was investigated for the oxidation of low concentration of methane, propene, and toluene in air at atmospheric pre...

    T. Pham Huu, L. Sivachandiran, P. Da Costa, A. Khacef in Topics in Catalysis (2017)

  5. No Access

    Article

    Influence of the Alumina Precursor on the Activity of Structured Fe–K/Al2O3 Catalysts Towards the Simultaneous Removal of Soot and NOx

    Fe–K/Al2O3 catalysts supported on cordierite monoliths were prepared using four washcoating suspensions containing different dispersible boehmites. The influence of the inherent properties of these alumina precur...

    S. Ascaso, M. E. Galvez, R. Moliner, M. J. Lazaro, P. Da Costa in Topics in Catalysis (2017)

  6. No Access

    Article

    Aging of Commercial Diesel Oxidation Catalysts: A preliminary Structure/Reactivity Study

    This study focuses on the catalytic behavior of the diesel oxidation catalyst using different aging characteristics of road mileage in order to improve the efficiency of an ammonia SCR system on an after-treat...

    Y. **e, E. Rodrigues, N. Furtado, A. Matynia, T. Arlt, P. Rodatz… in Topics in Catalysis (2016)

  7. No Access

    Article

    Application of PdCe-HMOR Catalyst as NOx CH4-SCR System for Heavy-Duty Vehicles Moved by Natural Gas

    In this work a cobalt-free zeolite-based catalyst formulation is proposed for NOx CH4-SCR towards a commercial application of after-treatment system for heavy-duty vehicles moved by natural gas (lean-gas burn eng...

    A. Nobre Mendes, V. Lauga, S. Capela, M. F. Ribeiro, P. Da Costa… in Topics in Catalysis (2016)

  8. No Access

    Article

    Catkin liked nano-Co3O4 catalyst built-in organic microreactor by PEMOCVD method for trace CO oxidation at room temperature

    In this paper, tricobalt tetraoxide (Co3O4) catalyst was coated on the polydimethylsiloxane microchannel by the plasma-enhanced metal-organic chemical vapor deposition technology. The obtained Co3O4 film was char...

    G. L. Chen, C. Guyon, Z. X. Zhang, B. Da Silva… in Microfluidics and Nanofluidics (2014)

  9. No Access

    Article

    Possible drivers of biodiversity generation in the Siphonaria of southeastern Australia

    An inter-species approach may reveal insights into biodiversity that are not available by studying single-species phylogeography. Here, we have used this approach to investigate biodiversity generation in Siphona...

    D. J. Colgan, P. da Costa in Marine Biodiversity (2013)

  10. No Access

    Article

    Influence of Catalyst Composition on NOX Trap Performances

    In the present work the influence of the type of noble metals present in NOX storage catalysts was investigated regarding the NO oxidation, NOX storage and NO reduction performances. Monolith samples with combina...

    D. Adouane, M. Teixeira, P. Da Costa in Topics in Catalysis (2013)

  11. No Access

    Article

    On the Efficiency of NH3–SCR Catalysts for Heavy Duty Vehicles Running on Compressed Natural Gas in Synthetic Gas Bench Scale

    This work aims to study the effectiveness of NH3–SCR after-treatment systems, initially developed for a Diesel application, on Heavy duty natural gas engines working in lean conditions for exhaust gas pollutants ...

    D. Adouane, S. Capela, P. Da Costa in Topics in Catalysis (2013)

  12. No Access

    Article

    Effect of Biofuels on Catalyzed Diesel Particulate Filter Regeneration

    Under the terms of the Renewable Energy Directive, EU member states are required to use 10 % of transport energy sourced from renewable sources, mainly biofuels, by 2020. The purpose is to reduce greenhouse ga...

    N. Lamharess, L. Starck, C. N. Millet, P. Da Costa in Topics in Catalysis (2013)

  13. No Access

    Article

    Supported Molybdenum Carbides Lie Between Metallic and Sulfided Catalysts for Deep HDS

    Hydrodesulfurization (HDS) of 4,6-dimethyldibenzothiophene on alumina-supported Mo2C has been studied. These catalysts are stable and active under deep HDS conditions (0-250 wt ppm S). However, although they are ...

    P. Da Costa, C. Potvin, J.-M. Manoli, M. Breysse, G. Djega-Mariadassou in Catalysis Letters (2003)

  14. No Access

    Article

    Megachiropteran Evolution Studied with 12S rDNA and c-mos DNA Sequences

    Recent studies of mitochondrial DNA sequences have indicated the requirement for substantial revisions of the morphological understanding of the phylogeny of Megachiroptera (Pteropodidae). There is disagreemen...

    D. J. Colgan, P. da Costa in Journal of Mammalian Evolution (2002)

  15. No Access

    Article

    Novel phosphorus-doped alumina-supported molybdenum and tungsten carbides: synthesis, characterization and hydrogenation properties

    The effect of atomically dispersed phosphorus on Mo2C- and WC-supported γ-Al2O3 has been studied. Phosphorus was introduced via molybdenum or tungsten heteropolyanions. Mo- and W-based heteropolyanions were used ...

    P. Da Costa, C. Potvin, J.-M. Manoli, M. Breysse, G. Djéga-Mariadassou in Catalysis Letters (2001)

  16. No Access

    Chapter and Conference Paper

    On the Taylor Hypothesis in Unsteady Wall Layers

    Streamwise space time correlations of the longitudinal fluctuating velocity at the beginning of the buffer layer in an unsteady channel flow are reported. It is shown that the small scale turbulence is sensiti...

    P. Vezin, S. Tardu, P. Da Costa, G. Binder in Advances in Turbulence V (1995)