Biodiesel: A Sustainable Option for Irrigation

  • C. SolaimuthuEmail author
  • V. Ganesan
  • T. N. Sreenivasa
Original Contribution


An experimental study has been carried out to assess the suitability of selective catalytic reduction (SCR) technique in reducing NOx. To arrive at accurate results, property characterization has been carried out for various blends. Tests were conducted on a single cylinder diesel engine at 1500 rpm, and for loading, an eddy current dynamometer was employed. The injection nozzle opening pressure was set to 250 bar with constant static injection timing of 20° before top dead centre. This study presents the results for full load, employing SCR technique, and the results are compared with conventional engine results under same operating condition where no reduction technique is employed. It is found that there is a significant reduction in NOx (around 13.3%) when the engine is operated with 25% biodiesel saving 25% diesel. This study establishes that SCR technique with 25% biodiesel addition is a viable option without any modification in the engine and without any compromise on the engine performance. Therefore, this option can be considered as sustainable for agricultural operation.


Mahua biodiesel Performance Combustion Emissions SCR technique NOx reduction 



Nozzle opening pressure


Static injection timing


Selective catalytic reduction




Oxides of nitrogen


0% biodiesel and 100% petro-diesel


25% biodiesel and 75% petro-diesel


50% biodiesel and 50% petro-diesel


75% biodiesel and 25% petro-diesel


100% biodiesel and 0% petro-diesel


Centi stroke




Nitric oxide

(NH2)2 CO·H2O

Diluted urea


Exhaust gas recirculation



The authors express their sincere thanks to the Management of AMC Engineering College for their support and encouragement.

Compliance with Ethical Standards

Conflict of interest



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Copyright information

© The Institution of Engineers (India) 2019

Authors and Affiliations

  1. 1.AMC Engineering CollegeBangaloreIndia
  2. 2.Department of Mechanical EngineeringIIT MadrasChennaiIndia

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