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Comparing the Effect of Injecting Urea, NACL and Distilled Water on Emissions of Diesel Engine with After Treatment Devices
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The experimental investigations on existing diesel engine adopted with two after treatment devices viz; Diesel particulate filters, Diesel oxidation catalyst with injection of fluids at the exhaust pipe were carried out. In the first part of the experimentation, only DPF and DOC were fixed; performance and emissions were measured at all the loads. Injecting fluid viz; urea solution, sodium chloride and distilled water separately at the exhaust pipe was second part of the experimentation keeping same DPF and DOC. From all the emission values, the optimum condition leading to least emission value is engine having both DPF and DOC and injecting urea solution at the exhaust pipe. Running the existing diesel engine with this suggested optimum condition would lead decremental of 79.3% in smoke, 41.1% in CO and 30.3% in NOx emissions.
Keywords
Diesel Engine, Urea Solution, Sodium Chloride, Diesel Particulate Filters, Diesel Oxidation Catalyst
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