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Ibnu Irawan
Fakultas Farmasi Universitas 17 Agustus 1945 Jakarta
Religion Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences

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Journal : jurnal polimesin

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Performance evaluation of a steam-assisted incinerator using used oil fuels for diaper waste treatment under natural convection Irawan, Ibnu; Budiarto, Hairil; Mubarok, Khamdi; Amandha, Yaumil Nurchoir
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.v23i3.6932

Abstract

Incinerators offer an effective solution for waste processing by maintaining high combustion temperatures in a well-insulated and enclosed chamber. The combustion process using an incinerator has the ability to convert waste into steam gas and ash that can be utilized. The advantage of the incineration process is its ability to reduce the volume of waste significantly, with a reduction rate of more than 65%.  In this research, a water steam stove was fuelled by liquid waste namely used motor oil and used cooking oil. It was tested for its performance in burning diaper waste under natural convection. The stove used has a height of 370 cm, a nozzle diameter of 2 cm, and a water vapor flow rate of 0.75 kg/hour. This study aimed to evaluate the thermal efficiency of the incinerator and analyze the influence of natural convection, fuel type, and the number of air holes on combustion performance. Experimental results showed that using eight air holes produced optimal results. Combustion with used motor oil reached the highest temperature of 397°C, burned for 65 minutes, and left 0.68 kg of ash residue. In comparison, used cooking oil reached 381°C, burned for 89 minutes, and left 0.95 kg of ash. The difference in fuel boiling points and viscosity significantly affected combustion efficiency. The highest thermal efficiency was 87% when using used motor oil, compared to 35% for used cooking oil. These findings suggest that used motor oil is a more effective and efficient fuel for diaper waste incineration in naturally ventilated systems.
Evaluation of diaper waste combustion efficiency in a steam-pressed oil waste stove-based incinerator with two air intakes Irawan, Ibnu; Mubarok, Khamdi; Yusron, Rifky Maulana; Annisa, Rullie
Jurnal Polimesin Vol 24, No 2 (2026): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i2.8631

Abstract

Waste such as used diapers remains a persistent environmental challenge that requires effective waste management solutions. This study aims to evaluate the performance and efficiency of an incinerator using diapers as the primary waste material. An incinerator can reduce waste volume and mass by converting it into ash. This experimental study using used oil and cooking oil as fuels for a steam-pressurized burner system. Variations in two-tiered air intakes are also used as a measure of evaluation of air velocity, which are 6 m/s, 8 m/s, and 10 m/s. The results demonstrates that for used oil fuel, average combustion temperatures of 376°C, 405°C, and 452°C were obtained at 6, 8, and 10 m/s, with combustion times of 97, 75, and 56 min, respectively. Residual ash masses were 1.01, 0.80, and 0.60 kg. For used cooking oil fuel, average temperatures reached 325°C, 354°C, and 387°C, with combustion times of 120, 107, and 86 min, respectively. Residual ash masses were 1.20, 1.08, and 0.85 kg. The results show that increasing air velocity significantly improved combustion temperature and reduced burning time for both fuels, while its effect on ash residue was less pronounced. Used oil produced higher combustion temperatures and faster waste reduction, whereas the highest thermal efficiency of 70% was achieved using used cooking oil at an air velocity of 10 m/s.
Co-Authors Achmad Kusairi Samlawi Agus Hermanto Alim, Wildan Amandha, Yaumil Nurchoir Anam, Sayidil Annisa, Rullie Aprilita Rina Yanti Budiarto, Khairil Choir, Qalibun Ghalidh Doni Abdul Fatah Ernaning Widiaswanti Firhan, Firhan Hairil Budiarto Harfia Mudahar Jayusman Jayusman Mahrus Khoirul Umami Mubarok, Khamdi Nasrullah Nasrullah Nizar Amir Pranjoto, Hartono Rifky Maulana Yusron Sri Wahyuni Teguh Prasetyo Tidar, Feri Prakus Wahyudi, Mujib Zainal Arifin