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An experimental study is carried out to the performance and emission characteristics of Mosambi peel pyro oil in a direct injection single cylinder diesel engine by using the Nano Rhodium Oxide (Rh 2 O 3) as an additive which is in turn prepared by the ball milling process with the particle size characterised by Scanning Electron Microscope to be in the range of 100 nm. The resulting effect of the Rh 2 O 3 is scrutinized in comparison with the neat diesel and the neat Mosambi peel pyro biodiesel as well. The nanoparticles added to the biodiesel minimizes the carbon deposits and aids to improvise the anti wear operation that leads to a better performance with reduced emission characteristics of the engine. The nanoparticles blended pyro oil in contrary to the neat diesel is observed to have reduced the NOx emissions up to 34% and the Unburnt hydrocarbon (UBHC) up to 40%. By releasing the energy to the fuel, Rh 2 O 3 has reduced the energy consumption and enhanced the Thermal efficiency.

Pyrolysis method of thermal degradation of carbonaceous of waste material extracts the pyro oil from the waste bio-mass like Mosambi peel pyro oil (MPO) in the without oxygen. In this procedure, the temperature at 750°C. The pyro oil obtained from Mosambi peel bio-mass can then blended with orange oil Diesel in three dissimilar ratios. Bio-oil blend DMO10 (80%Diesel oil +10%MPO+10%Orange oil), DMO20 (70%Diesel oil +20%MPO+10%Orange oil), and DMO30 (60%Diesel oil +30%MPO+10%Orange oil) they can prepare with the given volume. The blended of oil is mixed from a Mechanical Agitator rapidity of 950 rpm for 30 min. The properties of all the blends they can investigated as the Flash point, Fire point, Density, Viscosity, Calorific value, and FTIR analysis all these blends. Among these three samples, the best sample DMO10 was close to the properties of Diesel fuel. The results show that Brake Thermal efficiency is increased to DMO10 Bio-fuels and reduced Specific fuel consumptions and lesser the exhaust gas temperature. Emission shows that the considerable reduction for the Smoke, UHC, and CO emission and Nox they slightly increased when compared to Diesel fuel. The usage of Diesel fuel DMO10 blends of pyro oil can be used without any modification in the Diesel fuel Engine.