Sujita, Sujita (2021) Performance of 100 CC Combustion Engine With Refined Biogas Fuel With Coconut Ash as Adsorbent. Jurnal International Journal of Advances in Engineering and Management (IJAEM), 3 (4). pp. 608-613. ISSN 2395-5252
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Abstract
Biogas is an alternative energy that can be a cheap and environmentally friendly alternative to fuel oil. The composition of biogas is CH4, CO2, N2, H2, O2, and H2S. CH4 gas is the main element in biogas which has a high heating value. In addition to the CH4 gas which is very necessary, there is also a CO2 content which can actually disturb or damage it. If this element is present in biogas, it will interfere with the combustion process itself. Therefore, efforts are needed to reduce CO2 levels which are expected to increase the quality of biogas. The research was conducted to reduce CO2 levels in biogas by using coconut shell ash adsorbent. The method used in this research is pure research by taking into account the variation of the biogas flow rate (2, 4, 6, 8 and 10 lt / min) that passes through the adsorbent. Furthermore, biogas is obtained after purification there are 5 biogas (AB2, AB4, AB6, AB8 and AB10). The research was continued by examining the effect of CO2 biogas on the performance of the combustion engine, seen from the engine speed (1500, 2500, 3500 and 4500 rpm). CO2 gas does not react with coconut shell ash and CH4 gas does not react either. Coconut shell ash only absorbs water vapor contained in biogas. The increase in CO2 gas levels and CH4 gas levels is more due to reduced water content in the biogas so that the percentage of CO2 and CH4 volume changes by the percentage of water volume that can be absorbed by coconut shell ash. Changes in the composition of the content between methane gas and carbon dioxide gas did not show a significant effect on the torque generated by the engine at low speed, namely 1500 and 2500 rpm. At 3500 and 4500 rpm engine speeds indicate an increase in torque for the use of all variations of biogas fuels. The biogas obtained from the purification process shows that the greater the rate of biogas purification, the greater the torque produced when the fuel is used to drive the engine at 3500 and 4500 rpm engine speed.
| Item Type: | Article |
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| Keywords (Kata Kunci): | biogas, coconut shell ash, biogas content, engine torque |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Fakultas Teknik |
| Depositing User: | Dr. Sujita Darmo |
| Date Deposited: | 12 Sep 2021 22:53 |
| Last Modified: | 12 Sep 2021 22:53 |
| URI: | http://eprints.unram.ac.id/id/eprint/24247 |
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