Experimental investigation on emission reduction in neem oil biodiesel using selective catalytic reduction and catalytic converter techniques

Environmental Science and Pollution Research International
Karthickeyan Viswanathan

Abstract

In the present study, non-edible seed oil namely raw neem oil was converted into biodiesel using transesterification process. In the experimentation, two biodiesel blends were prepared namely B25 (25% neem oil methyl ester with 75% of diesel) and B50 (50% neem oil methyl ester with 50% diesel). Urea-based selective catalytic reduction (SCR) technique with catalytic converter (CC) was fixed in the exhaust tail pipe of the engine for the reduction of engine exhaust emissions. Initially, the engine was operated with diesel as a working fluid and followed by refilling of biodiesel blends B25 and B50 to obtain the baseline readings without SCR and CC. Then, the same procedure was repeated with SCR and CC technique for emission reduction measurement in diesel, B25 and B50 sample. The experimental results revealed that the B25 blend showed higher break thermal efficiency (BTE) and exhaust gas temperature (EGT) with lower break-specific fuel consumption (BSFC) than B50 blend at all loads. On comparing with biodiesel blends, diesel experiences increased BTE of 31.9% with reduced BSFC of 0.29 kg/kWh at full load. A notable emission reduction was noticed for all test fuels in SCR and CC setup. At full load, B25 showed lower carbon monoxid...Continue Reading

References

Nov 7, 2016·Environmental Science and Pollution Research International·H K ImdadulAzham Alwi
Jun 7, 2017·Environmental Science and Pollution Research International·Karthickeyan Viswanathan, Balamurugan Pasupathy
Dec 2, 2017·Environmental Science and Pollution Research International·Muneeswaran RamakrishnanKarthickeyan Viswanathan

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Citations

Oct 29, 2018·Environmental Science and Pollution Research International·Dhana Raju VallapudiHarish Venu
Apr 5, 2019·Environmental Science and Pollution Research International·Karthickeyan ViswanathanEdwin Geo Varuvel
Oct 1, 2018·Environmental Science and Pollution Research International·Ashok BragadeshwaranMuhammad Usman Kaisan

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