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2021 | OriginalPaper | Buchkapitel

8. Engine Emission Control Devices for Particulate Matter and Oxides of Nitrogen: Challenges and Emerging Trends

verfasst von : Utkarsha Sonawane, Avinash Kumar Agarwal

Erschienen in: Novel Internal Combustion Engine Technologies for Performance Improvement and Emission Reduction

Verlag: Springer Singapore

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Abstract

Internal combustion engines (ICEs) have wide applications in several sectors, which are responsible for boosting the economy. However, engine emissions are of major concern as they significantly contribute to global air pollution. Worsening air quality has negative impact on human beings and nature. Regulated engine emissions include carbon monoxide (CO), unburned hydrocarbon (HC), oxides of nitrogen (NOx), and particulate matter (PM). Globally, these emissions have been put under strict regulations by various emission regulation bodies. Severe issues related to the engine emissions can be resolved using efficient and advanced after-treatment devices. Use of exhaust gas after-treatment devices is one of the effective ways for engine emission reduction to meet the stringent emissions norms effectively. These devices involve complex chemical reactions. In this chapter, simultaneous reduction of PM and NOx is focused, as both pollutants are difficult to reduce together because of PM/NOx trade-off. Several NOx and PM control devices used in ICEs, such as lean NOx traps (LNT), selective catalytic reduction (SCR) catalysts, and diesel particulate filter (DPF), are discussed in detail. Each after-treatment device has its advantages and limitations. Different integrated exhaust gas systems have been developed in the last couple of decades to address these limitations and enhance emission control efficiency. Various challenges and solutions to meet the emission norms using exhaust gas after-treatment devices have been discussed in this chapter.

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Metadaten
Titel
Engine Emission Control Devices for Particulate Matter and Oxides of Nitrogen: Challenges and Emerging Trends
verfasst von
Utkarsha Sonawane
Avinash Kumar Agarwal
Copyright-Jahr
2021
Verlag
Springer Singapore
DOI
https://doi.org/10.1007/978-981-16-1582-5_8

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