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Simultaneous removals of NOx, HC and PM from diesel exhaust emissions by dielectric barrier discharges

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Abstract.
The main target of this work is to characterize the abatements of particulate matter (PM), hydrocarbons
(HC) and nitrogen oxides (NOx) froman actual diesel exhaust using dielectric barrier discharge technology
(DBD). The effects of several parameters, such as peak voltage, frequency and engine load, on the contaminant
removals have been investigated intensively. The present study shows that for a given frequency,
the removals of PM and HC are enhanced with the increase of peak voltage and level off at higher voltage,
while in the range of higher voltages a decline of NOx removal efficiency is observed. For a given voltage,
the maximums of specific energy density (SED) and removal efficiency are attained at resonance point.
The increase of peak voltage will result in a significant decrease of energy utilization efficiency of DBD at
most engine loads. Alkanes in soluble organic fraction (SOF) are more readily subjected to removals than
polycyclic aromatic hydrocarbons (PAHs).

Keywords:
Dielectric barrier discharge
Diesel engine
Particulate matter
Hydrocarbon
Nitrogen oxide

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Ketersediaan

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Informasi Detail

Judul Seri

Journal of Hazardous Materials

No. Panggil

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Penerbit

London : Elsevier B.V.., 2009

Deskripsi Fisik

Journal of Hazardous Materials 166 (2009) 523–530

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

Versi lain/terkait

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