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Reducing NOx Emissions through Microwave Heating of Aftertreatment Systems for Sustainable Transport in the Inland Waterway Sector

Author

Listed:
  • Sorin Vasile Savu

    (Department of Engineering and Management of Technological Systems, Faculty of Mechanics, University of Craiova, 1 Calugareni Str., 220037 Drobeta-Turnu Severin, Romania)

  • Robert Cristian Marin

    (Department of Engineering and Management of Technological Systems, Faculty of Mechanics, University of Craiova, 1 Calugareni Str., 220037 Drobeta-Turnu Severin, Romania)

  • Andrej David

    (Department of Water Transport, Faculty of Operation and Economics of Transport and Communications, University of Zilina, Univerzitná 8215/1, 01026 Zilina, Slovakia)

  • Adrian Bebe Olei

    (Department of Engineering and Management of Technological Systems, Faculty of Mechanics, University of Craiova, 1 Calugareni Str., 220037 Drobeta-Turnu Severin, Romania)

  • Ilie Dumitru

    (Department of Automotive, Transport and Industrial Engineering, Faculty of Mechanics, University of Craiova, 1 Calugareni Str., 220037 Drobeta-Turnu Severin, Romania)

  • Daniela Tarnita

    (Department of Applied Mechanics, Faculty of Mechanics, University of Craiova, 1 Calugareni Str., 220037 Drobeta-Turnu Severin, Romania)

  • Andrea Maternova

    (Department of Water Transport, Faculty of Operation and Economics of Transport and Communications, University of Zilina, Univerzitná 8215/1, 01026 Zilina, Slovakia)

  • Ionel Dănuț Savu

    (Department of Engineering and Management of Technological Systems, Faculty of Mechanics, University of Craiova, 1 Calugareni Str., 220037 Drobeta-Turnu Severin, Romania)

Abstract

The inland navigation sector makes a significant contribution to the growth of the global economy as well as to climate change due to pollutants emitted by diesel engines. NOx emissions are very high in port areas where, due to traffic, the ships run at idling regimes. Selective catalytic reduction (SCR) represents one of the most suitable technologies, in terms of cost effectiveness, but does not perform well if the temperature during vessel operation is lower than 180 °C. Microwave technology can support preheating of the ceramic core of SCR in order to increase the temperature towards the optimal interval for the best NOx reduction. Research has focused on coupling a magnetron head to a SCR device in order to evaluate to what extent the technology can meet the requirements of Stage V of the European Directive related to NOx emissions. Measurements of NOx emitted have been performed on engines with 603.5 kW nominal power and 1500 rpm that operate at a lower engine speed (700–1200 rpm) and output power (58–418 kW). The values recorded for emissions using microwave heating of ceramic core of SCR have decreased by 89% for a constant load of engine and idling engine speed.

Suggested Citation

  • Sorin Vasile Savu & Robert Cristian Marin & Andrej David & Adrian Bebe Olei & Ilie Dumitru & Daniela Tarnita & Andrea Maternova & Ionel Dănuț Savu, 2022. "Reducing NOx Emissions through Microwave Heating of Aftertreatment Systems for Sustainable Transport in the Inland Waterway Sector," Sustainability, MDPI, vol. 14(7), pages 1-17, March.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:7:p:4156-:d:784129
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    References listed on IDEAS

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    1. Peter Mako & Andrej Dávid & Patrik Böhm & Sorin Savu, 2021. "Sustainable Transport in the Danube Region," Sustainability, MDPI, vol. 13(12), pages 1-21, June.
    2. Sorin Vasile Savu & Daniela Tarnita & Gabriel Constantin Benga & Ilie Dumitru & Iulian Stefan & Nicolae Craciunoiu & Adrian Bebe Olei & Ionel Danut Savu, 2021. "Microwave Technology Using Low Energy Concentrated Beam for Processing of Solid Waste Materials from Rapana thomasiana Seashells," Energies, MDPI, vol. 14(20), pages 1-25, October.
    3. Sheng Su & Yunshan Ge & Yingzhi Zhang, 2021. "NOx Emission from Diesel Vehicle with SCR System Failure Characterized Using Portable Emissions Measurement Systems," Energies, MDPI, vol. 14(13), pages 1-12, July.
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    Cited by:

    1. Clara Paola Camargo-Díaz & Edwin Paipa-Sanabria & Julian Andres Zapata-Cortes & Yamileth Aguirre-Restrepo & Edgar Eduardo Quiñones-Bolaños, 2022. "A Review of Economic Incentives to Promote Decarbonization Alternatives in Maritime and Inland Waterway Transport Modes," Sustainability, MDPI, vol. 14(21), pages 1-20, November.

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