A Comprehensive Review on NOx & DPM Diesel Engine missions and Its Control Techniques

Diesel engine as a power source is widely used in automobile and industrial applications.

Although this enormous use boomed the economic development, but it also caused serious

environmental hazards. Diesel engine uses combustion phenomenon that gives birth to SOX, NOX,

soot particles and other dangerous compounds. Diesel engine emissions highly contribute to the atmospheric

pollution and other environmental effects. So, their treatment is considered as serious concern and has great

significance in evaluation of feasible control techniques. Diesel engine emission encompasses many compounds

but NOx and Diesel particulate matters (DPM) are major emission due to human health and other environmental

issues. NOx and DPM can cause serious health concerns especially for respiratory tract of living being. Therefore,

efforts are made to summarize NOx and DPM formation process and its control techniques in diesel engine.

Both Pre-combustion and Post-combustion techniques till to date are discussed and are compared. Various types

of fuel additives are also discussed as a control technique for DPM emissions. This comprehensive study has created

a junction to list out the numerous techniques evaluated by the various researchers.

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