Experimental investigation to enhance the low‐temperature nitrogen oxide emission reduction in biodiesel exhaust using selective catalytic reduction with direct ammonia injection and manganese cerium zirconia catalyst

Jayanth Joseph; Senthilkumar Pachamuthu; Jenoris Muthiya Solomon; Ravishankar Sathyamurthy

doi:10.1002/ep.13622

journal article Feb 10, 2021

Experimental investigation to enhance the low‐temperature nitrogen oxide emission reduction in biodiesel exhaust using selective catalytic reduction with direct ammonia injection and manganese cerium zirconia catalyst

Jayanth Joseph

Senthilkumar Pachamuthu Jenoris Muthiya Solomon Ravishankar Sathyamurthy

Environmental Progress & Sustainable Energy Vol. 40 No. 4 · Wiley

View at Publisher Save 10.1002/ep.13622

Abstract

AbstractSelective catalytic reduction (SCR) employs AdBlue, a reducing agent over a catalytic surface to reduce the oxides of nitrogen (NOx) emission in diesel engines. SCR's inherent problem is its poor cold start performance at exhaust temperatures below 150°C. In the current work, the researcher has discussed the investigation of two techniques to enhance low‐temperature NOx conversion and combined them to achieve the best results. First, AdBlue injection was replaced by gaseous ammonia injection. The gaseous ammonia was generated by heating solid ammonia precursor materials such as solid urea and ammonium carbonate. Second, to improve the catalytic performance, MnCeZrOx catalysts were introduced instead of conventional CuZ catalysts. MnCeZrOx were prepared in the laboratory using its component materials. The prepared catalyst was tested through SEM and EDAX analysis. The newly developed SCR system was tested and compared with a conventional Adblue‐CuZ SCR. The results revealed with diesel fuel at exhaust temperatures below 150°C the ammonia‐MnCeZrOx SCR system gave a 90% increase in NOx reduction compared to the conventional system. With biodiesel blend jatropha B20 the conversion was greater than 80% from 100 to 150°C. A maximum NOx conversion of 95% was obtained for diesel and 93% for jatropha Biodiesel blend B20.

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Details

Published: Feb 10, 2021
Vol/Issue: 40(4)
License: View

Authors

J

Jayanth Joseph

Department of Automobile Engineering Madras Institute of Technology Chennai Tamil Nadu India

S

Senthilkumar Pachamuthu

Department of Automobile Engineering Madras Institute of Technology Chennai Tamil Nadu India

J

Jenoris Muthiya Solomon

Department of Automobile Engineering Hindustan Institute of Technology and Science Chennai Tamil Nadu India

R

Ravishankar Sathyamurthy

Department of Mechanical Engineering KPR institute of Engineering and Technology Coimbatore Tamil nadu India

Cite This Article

Jayanth Joseph, Senthilkumar Pachamuthu, Jenoris Muthiya Solomon, et al. (2021). Experimental investigation to enhance the low‐temperature nitrogen oxide emission reduction in biodiesel exhaust using selective catalytic reduction with direct ammonia injection and manganese cerium zirconia catalyst. Environmental Progress & Sustainable Energy, 40(4). https://doi.org/10.1002/ep.13622

Experimental investigation to enhance the low‐temperature nitrogen oxide emission reduction in biodiesel exhaust using selective catalytic reduction with direct ammonia injection and manganese cerium zirconia catalyst

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