Demand for fuel and the use of petroleum products are increasing day by day which causes serious problems such as petroleum depletion, environment degradation etc. So biodiesel is a good alternative for conventional diesel fuel. By using biodiesel there are also some disadvantages such as high oxides of nitrogen, high fuel consumption and higher density. To overcome this problems from biodiesel using additives. Additives play an significant role in enhancing the properties of biodiesel. In this context, oxygenated additives such as Alimina which are rich in oxygen content are used.
Biodiesel is obtained from honge oil by transesterification process and waste plastic oil is obtained by pyrolisis process. The experiment work is done by a CI engine using honge biodiesel, waste plastic oil and alumina nanparticles as an additive. The present investigation was to study the combustion and performance characteristics of all the blends by compare them with diesel. Experimental results show that performance and combustion characteristics improved with B20 biodiesel blend with WPO(waste plastic oil) and with or without nanoparticles as additive. The thermal efficiency will increase and SFC( Specific fuel consumption) is better in case of oxygenated additive blend. Considerable reductions parameters like carbon monoxide, unburned hydrocarbon and increases in nitrogen oxide emissions are attained while using B20 biodiesel blend and B20 biodiesel blend with waste plastic oil compared with diesel. However there is a significant reduction in CO, UBHC and NOx emission parameters for B20 biodiesel blend with WPO and nanoparticles as an additive.
Depletion of fossil fuels and environmental pollution are major challenges in the present world. Main pollution sources are the Plastic waste and automotive emissions. The present work deals with usage of the oil obtained from waste plastic blended with Fish Biodiesel. In order to carry out the study on plastic wastes, pyrolysis process was used. Pyrolysis runs without oxygen and in high temperature of about 250-300 °C. Fish Biodiesel was obtained from waste fish leftovers and transesterification was used to obtain Fish Oil Methyl Ester (FOME). B20FOME is obtained by blending 20% FOMEwith 80% Diesel. The 10% of fuel obtained from waste plastic is blended withB20FOME to obtain B20FOME10WPO. For conducting the various experiments,10HP single cylinder 4 stroke direct injection water-cooled diesel engine is employed. The engine is made to run at 1500rpm and the load is varied gradually from 0-100%. The BTE of biodiesel blend and bio diesel blend with plastic oil was increased by 3.82% and 10.02% respectively than that of diesel. UBHC and CO emissions were found to be lower than that of diesel. Whereas NOx emission and smoke opacity were observed to be marginally higher than that of diesel. The performance, emission and combustion characteristics are observed. It reveals that fuel properties are comparable with petroleum products. Converting waste plasticsinto fuel hold great promise for both the environmental and economic scenarios.
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