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Differently shaped Al2O3-based Pd catalysts loaded catalytic converter for novel non-road mobile machinery exhaust systems

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A Correction to this article was published on 11 February 2023

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Abstract

A quick overview of the increasing pollutants worldwide shows a parallel movement toward strict legalization to limit contamination of air before it gets out of hand, however, in this paper, we are discussing a source of emissions that is yet to receive its’ deserved attention rendered in non-road mobile machinery. Our proposal to solve this issue unfolds by delivering an efficient catalyst, starting by characterizing its relevant properties such as the choice of material, the shape of the catalyst, the chemical structure, and the active coating agent. So, in this sequence of experiments, we are investigating the performance of five ceramic supports impregnated with 0.1 and 0.2 wt% palladium (II). Starting by testing the samples’ ability to oxidize CO in a fixed bed reactor, we will measure their performance in converting flue-gas emissions by testing the samples on a custom-designed catalytic converter connected to a dynamometer system. Following this study, we can achieve an outstanding 98% reduction in NOx and 95% reduction in CO and build a direct relation between sample properties and performance. For now, this research will be the first part of a tailored proposed solution to reduce NRMM emissions using a catalytic converter where this paper will mostly be concerned with the overall performance of the catalyst.

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Acknowledgements

Project no. TKP2021-NVA-19 has been implemented with the support provided by the Ministry of Innovation and Technology of Hungary from the National Research, Development and Innovation Fund, financed under the TKP2021-NVA funding scheme. AS gratefully acknowledges the support of the Bolyai Janos Research Fellowship of the Hungarian Academy of Science and the “UNKP-21-5-SZTE-586” New National Excellence Program as well as the funding provided by the Indo-Hungarian TÉT project (2019-2.1.13-TÉT_IN-2020-00015) of the Ministry for Innovation and Technology from the source of the National Research, Development and Innovation Fund. The Ministry of Human Capacities through the EFOP-3.6.1-16-2016-00014 project and the 20391-3/2018/FEKUSTRAT are acknowledged. ZK is grateful for K_21 138714 and SNN_135918 project for the Hungarian National Research, Development and Innovation Office.

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Authors and Affiliations

  1. Department of Applied and Environmental Chemistry, Interdisciplinary Excellence Center, University of Szeged, 6720 Rerrich Béla tér 1, Szeged, Hungary

    Owais Al-Aqtash, András Sápi, Imre Szenti, Tamás Boldizsár, Kornélia B. Ábrahámné, Ákos Kukovecz & Zoltán Kónya

  2. Department of Technology, Faculty of Engineering, University of Szeged, H-6724 Mars tér 7, Szeged, Hungary

    Ferenc Farkas & Ákos Kukovecz

  3. MTA-SZTE Reaction Kinetics and Surface Chemistry Research Group, University of Szeged, 6720, Szeged, Hungary

    Zoltán Kónya

Authors
  1. Owais Al-Aqtash
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  2. Ferenc Farkas
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Correspondence to András Sápi.

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The original online version of this article was revised: In the original publication of this article the author name Owais Al‑Aqtash was incorrectly written as Owais Al-Aqtasha.

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Al-Aqtash, O., Farkas, F., Sápi, A. et al. Differently shaped Al2O3-based Pd catalysts loaded catalytic converter for novel non-road mobile machinery exhaust systems. Reac Kinet Mech Cat 136, 149–161 (2023). https://doi.org/10.1007/s11144-022-02291-x

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