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All Journal Rotasi FLYWHEEL : Jurnal Teknik Mesin Untirta Teknika: Jurnal Sains dan Teknologi VANOS Journal of Mechanical Engineering Education R.E.M (Rekyasa Energi Manufaktur) Jurnal Jurnal Teknika Machine : Jurnal Teknik Mesin Journal of Renewable Energy and Mechanics Eksergi: Jurnal Teknik Energi Al-Ijtima: Jurnal Pengabdian Kepada Masyarakat Journal of Community Service in Science and Engineering Trends in Mechanical Engineering Research Jurnal Polimesin Al-Ijtimā: Jurnal Pengabdian Kepada Masyarakat
Ni Ketut Caturwati, Ni Ketut
Universitas Sultan Ageng Tirtayasa
Religion Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Filter System Designed to Reduce The Emission of Gasoline Motorcycle Pollutants Pinem, Mekro Permana; Yusuf, Yusvardi; Wardana, Muhammad Bayu; Caturwati, Ni Ketut; Listijorini, Erny; Satria, Dhimas; Sukamto, Dwinanto
Machine : Jurnal Teknik Mesin Vol 11 No 2 (2025): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/rwkk7894

Abstract

Clean and healthy air are major topics around the globe. It is because poor air quality hurts human health and is even responsible for the deaths of millions of people. This work develops exhaust pipes containing filters to reduce the pollutants emitted by motorcycles. There are three pollutant concentrations measured here: CO2, CO, and HC. The measurements were taken before and after the filter system so that the pollutant reduction could be calculated.  The maximum pollutant reduction of the filter system: 6.1 % of CO2, 8.0 % of CO, and 651.0 ppm of HC. The primary mechanism of this filter is the physical trapping of pollutants. When the gas flows through the exhaust pipe, the pollutants in the stream are attached to the filter due to direct contact. This change can be visually observed in the filter color, which darkens after use in the exhaust pipe. However, a limitation of this work is its short-term experiment, which lasted only five minutes, indicating a key area for future research. It is also necessary to have alternative filters that are sustainable and can work properly in high-temperature conditions.
Effect of ethanol–RON 92 (pertamax) fuel blends on exhaust emissions of a 2000cc gasoline engine Sudrajad, Agung; Caturwati, Ni Ketut; Sunardi, Sunardi; Khairullah, Adhitya
Jurnal Polimesin Vol 23, No 3 (2025): June
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i3.6692

Abstract

The technology aimed at reducing dependence on fossil fuels and minimizing exhaust emissions involves the use of ethanol as an alternative fuel. This research investigates the effects of blending ethanol with RON 92 (Pertamax) gasoline on the exhaust emissions of a 2000cc four-cylinder gasoline engine. Experiments were conducted using varying ethanol concentrations, and the emissions of carbon monoxide (CO), hydrocarbons (HC), carbon dioxide (CO₂), and oxygen (O₂) were measured and analyzed. Data were presented descriptively and compared. The results indicate that adding ethanol significantly reduces CO and HC emissions. The lowest CO concentration (0.04%) was recorded with a 10% ethanol blend (BE10%), while the lowest HC emission (2316 ppm) occurred at a 15% ethanol blend (BE15%). Conversely, CO₂ emissions increased with ethanol content, peaking at 8.97% for BE15%. These findings demonstrate the potential of ethanol–gasoline blends to lower harmful emissions, particularly CO and HC, while enhancing combustion efficiency, as reflected by the increase in CO₂ levels.
Co-Authors . Angga, . . Haryadi Agung Sudrajad Agung Sudrajat Alda, Apriyani Aminullah M., Aminullah Aminullah Mawardi Aminullah Mawardi, Aminullah Ana Maulana, Ana Angga Angga Dedy Triawan Suprayogi Dhimas Satria Dimitri Rulianto Dwinanto Dwinanto Dwinanto, Dwinanto Dwinanto, Dwinanto Dwinanto, Dwinanto Eko Prasetyo Endang Suhendi, Endang Erny Listijorini Fahrizal Pradana Putra Farhan, Dhika Fauzi, Rizki Firda Andini Hadi Wahyudi Harinaldi Harinaldi Haryadi - Haryadi Haryadi Haryadi Haryadi Haryadi Haryadi Heri Kusharyanto I Made K. Dhiputra Imron Rosyadi Imron Rosyadi Imron Rosyadi Intifalda, Tegar Khairullah, Adhitya Listijorini , Erny Listijorini, Erny Mekro Permana Pinem Mekro Permana Pinem Mekro Permana Pinem Mekro Permana Pinem, Mekro Permana Miftahul Jannah Miftahul Jannah Muhammad Affan Adhani Muhammad Ilham Al Faiz Nugroho, Dimas Augie Pinem, Mekro Permana Relawan, I G Putu Reza Reza romi wiryadinata Rosyadi , Imron Rosyadi, Imron Rosyadi, Imron Rosyadi, Imron Saefuloh, Iman Salsabila, Unik Hanifah Saputra, Ehsan Tri Shofiatul Ula Sidik Susilo Slamet Wiyono Sukamto, Dwinanto Sukamto, Dwinanto Sunardi Sunardi Suprayogi, Dedy Triawan Syahrul Ivandy Syarif Abdullah Ula, Shofiatul Ula, Shofiatul Visoka, Cri Kalki Wahyudi, Hadi Wardana, Muhammad Bayu Wiyono , Slamet Wiyono, Slamet Yudi Septian Yudi Septian, Yudi Yusuf , Yusvardi Yusuf, Yusvardi Yusvardi Yusuf