Abstract
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.
Highlights
Biodiesel is a liquid biofuel with similar properties and can be used as a substitute for conventional diesel oil
Lin and collaborators conducted a study to assess dust emissions from biodiesel oil palm oil on generators at a load of 75%, the results showed that compared to conventional diesel fuel, dust emissions decreased from fuel B10, B20, B30 respectively 51.0%; 21.4%; 4.6%, whereas dust emissions increased at B50, B75 and B100 at 10.9%; 26.9% and 29.3% [14]
Research results show that: The concentration of particulate emissions ranges from 167.47 mg/m3 to 530.26 mg/m3 when using fuels from B10 to B100
Summary
Biodiesel is a liquid biofuel with similar properties and can be used as a substitute for conventional diesel oil. With the goal of economical and efficient use of energy, minimizing the harmful emissions released into the environment, implementing the roadmap of applying the mixing ratio in biofuel according to Decision 53/2012QDTTg of the government. From 2015 to 2018, harmful emissions released into the environment when using conventional diesel fuel are quite large, of which: CO is 1960.9 tons; NO2 is 1018.19 tons; CO2 is 262582.4 tons. Many domestic and foreign scientific studies have shown that biodiesel is truly a clean green energy source because their use helps reduce emissions of serious pollutants such as CO, SO2, NOx, and CxHy compounds [3],[4]. The emissions from the combustion of biodiesel fuel in diesel engines of organic compounds are small but very toxic and affect the ambient air environment [5]. Around as carbonyl has not been fully studied in Vietnam and in the world
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