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Currently, oil and gas accounts for about 60 80% of the world's energy. According to scientists, with the current consumption rate, this source of energy will be exhausted in the next 40-50 years; Therefore, finding alternative energy sources has become the goal of many countries. In particular, the sources of energy friendly to the environment and renewable such as wind energy, solar energy, bioenergy ... are given top priority. Biodiesel is a liquid biofuel with similar properties and can be used as a substitute for conventional diesel oil. Testing and proceeding to apply B5 and B10 fuels to vehicles will reduce the amount of toxic emissions and replace exhausted petroleum and gas sources. This paper focuses on the KDE3500T engine test bed at 50% loading to analyze and assess the emission of particulate matter and oxidized organic compounds. With different mixing ratios between commercial gasoline of 0.05 S and palm oil biodiesel from 10% to 75%. Experimental results show that the particle emission concentration decreased by about 30% from B0 to B20 and increased by about 15% from B30 to B100. While carbonyl compounds such as formaldehyde, acetaldehyde and acetone increased about 2.5 times from B0 to B30 and dropped abruptly at B50, however carbonyl concentration increased by about 28% when using B75 to B100.

A Study on Particulate Emission Characteristics of Diesel Engine using a Mixture of Commercial Diesel and Biodiesel Based Palm-Oil