Analisis pemakaian bahan bakar biogas termurnikan pada unjuk kerja motor bakar
The long term purpose of this research is to obtain biogas quality renewable natural gas and can be used as fuel for internal combustion engine to drive a generator of electricity as energy diversification efforts in the area of small islands sustainable. Specific targets to be achieved is gained methods / techniques for absorbing impurities contained in biogas especially elements CO2.
The study was conducted to reduce levels of CO2 in the biogas by using absorbent NaOH solution, taking into account variations in the flow rate of biogas (2, 4, 6, 8 and 10 l / min) to the percentage reduction in CO2 levels. Later studies followed by testing engine peformance are to determine the effect of CO2 in the biogas on the performance of the motor fuel, seen from the engine rotation (1500, 2500, 3500 and 4500 rpm) and the smoothing of the spin machine.Results of research have shown that the torque on biogas B2 increased 21.3% to biogas yet purified, while for biogas B4 increased by 19.1%. Biogas B6, B8 biogas and biogas B10 an increase of torque respectively, amounting to 14.9%, 12.8% and 8.5%. Biogas B2 obtained SFCE decrease in the average of the biogas which has not been purified by 33.4%, which was followed by biogas obtained B4 SFCE decline on average by 22.7% next B6 biogas obtained SFCE decline on average by 17.9%. While biogas obtained B8 SFCE decline on average by 13.9% and biogas B10 decline SFCE obtained an average of 8.5%. The smaller the value SFCE shows that consumption of biogas that the less effective but gained greater power.
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