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Experimental assessment of catalytic biofuel effect on performance and exhaust emission of diesel engine

Author

Listed:
  • Noor Alam
  • Zahir Hasan
  • Nabi Hasan
  • Najmur Rahman
  • Sheikh Ahmad Zaki
  • Nor’azizi Bin Othman

Abstract

The present experiment is to analyze the effect of blended biodiesel of chicken fat CF10 (10% chicken fat and 90% diesel), waste cooking oil WC10 (10% waste cooking oil and 90% diesel), and combined chicken fat with waste cooking oil CF&WC10 (5% chicken fat + 5% waste cooking oil and 90% diesel) on the performance of diesel engine. The experiment is conducted at a constant compression ratio of 17, mixing 50 ppm alumina alfa (Al 2 O 3 -α) catalyst nanoparticles in each blend. The performance of biodiesel is analyzed at 25%, 50%, 75%, and 100% load conditions and is compared with pure diesel. The results show that the brake torque (BT) and brake power of CF&WC10 were found to be 22.48 Nm and 3.58 kW at full load conditions. However, the indicated thermal efficiency and BTE of CF&WC10 are at full loading conditions of 52.45% and 26.78% respectively. Because the supply of A/F ratio is 18.81, at full load condition and also lowering the brake specific fuel consumption up to 0.32 kg/kWh. Therefore, optimization of both performance and exhaust emission of an engine depends on BTE and NO x as well as HC emissions. Hence, from the emissions reduction point of view, CF&WC10 has lower emissions while achieving brake thermal efficiency similar to diesel fuel. The novelty of research shows CF&WC10 leads to enhanced performance of diesel engine compared to pure diesel fuel.

Suggested Citation

  • Noor Alam & Zahir Hasan & Nabi Hasan & Najmur Rahman & Sheikh Ahmad Zaki & Nor’azizi Bin Othman, 2026. "Experimental assessment of catalytic biofuel effect on performance and exhaust emission of diesel engine," Energy & Environment, , vol. 37(4), pages 2392-2410, June.
    • Handle: RePEc:sae:engenv:v:37:y:2026:i:4:p:2392-2410
    DOI: 10.1177/0958305X241286846
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