Influence of blending additives in biodiesel on physiochemical properties, engine performance, and emission characteristics

Fossil fuel depletion led researchers to find alternative fuel to the Compression Ignition (CI) engines. Biodiesel has emerged as an eco-friendly, clean, and sustainable alternative which can be used directly as a fuel or as a blend with diesel. However, high viscosity, high NOx emission, and high brake specific fuel consumption are some disadvantages associated with it. To obviate these disadvantages various studies has been done on the addition of additives or properties enhancers, converting biodiesel into a more efficient and reliable fuel for enduse in the engine. This review article focuses on the effect of additives such as nanoparticles and antioxidants on engine performance, the concentration of exhaust gases and emission characteristics of biodiesel blend. The major finding of this research was that nanoparticles and waste polymers affect engine performance by increasing BTE, decreasing BSFC, and lowering the emission of certain pollutants such as CO, HC, NOx.

Automated summary

Biodiesel has emerged as an eco-friendly and sustainable alternative to fossil fuels, but it is associated with disadvantages such as high viscosity, high NOx emission, and high brake specific fuel consumption. Research has shown that adding nanoparticles and antioxidants can improve engine performance and reduce exhaust emissions.