Multifunctional additives for biodiesel blends application in diesel generator

The use of a 30 percent biodiesel blend in diesel fuel (B30) has been tested in various diesel engines, including a generator. It shows certain benefits, but on the other hand, there are still several technical problems. The most apparent reported issues are energy loss, increased fuel consumption,...

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Bibliographic Details
Main Authors: Komariah, Leily Nurul, Cundari, Lia, Susmanto, Prahady, Alfandi, Felix Chaniago, Claudia, Venny
Format: Conference Proceeding
Language:English
Subjects:
Additives
Air intakes
Biodiesel fuels
Combustion chambers
Diesel engines
Diesel fuels
Diesel generators
Emissions
Energy consumption
Ethyl hexyl nitrate
Fuel consumption
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Summary:The use of a 30 percent biodiesel blend in diesel fuel (B30) has been tested in various diesel engines, including a generator. It shows certain benefits, but on the other hand, there are still several technical problems. The most apparent reported issues are energy loss, increased fuel consumption, CO, UHC, PM, and NOx emissions. Using an additive is an advisable and straightforward way to solve these problems. In this study, the commercial additives 2-Ethylhexyl Nitrate (EHN) and Methyl tert-Butyl Ether (MTBE) were mixed into a combination and multifunctional additive for B30 application. Fuel with additives in various compositions and concentrations were then tested on a generator (Vanco DF-2400E). It was operated for 180 minutes with a constant load. This study shows that the generation of electric voltage is more stable through the addition of additives. The most stable electrical conversion is shown by using a combination of additive H3 (MTBE: 2-EHN=70%: 30%v). The introduction of additives has also reduced the Specific Fuel Consumption, where the combination of H1 (MTBE: 2-EHN=50%: 50%v) showed the highest decrease up to 11.9%. This study concludes that the ratio of additives to fuel does not linearly affect generator performance. Low additive concentrations (2%) are still performing better combustion quality in the generator with B30. However, the arrangement of the combustion chamber and air intake control features are required to achieve optimum performance.  
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0114505