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All Journal IPTEK The Journal for Technology and Science Jurnal Mahasiswa Teknik Automotive Experiences
Arif Rahman Saleh
Departemen Teknik Mesin Institut Teknologi Sepuluh Nopember
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Mechanical Engineering

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Perancangan Mesin Pencacah Pelepah Sawit Untuk Pakan Ternak Sapi robiyansyah, robi yansyah; Yose Rizal, MT, Yose Rizal; Arif Rahman Saleh, MT, Arif Rahman Saleh
Jurnal Mahasiswa Teknik Vol 1, No 1 (2016)
Publisher : Jurnal Mahasiswa Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (687.632 KB)

Abstract

Mesin pencacah pelepah sawit merupakan alat untuk mencacah pelepah sawit yang dingunakan untuk sebagai pakan ternak sapi dan mengurangi sampah organik. Dalam pengoperasiannya mesin pencacah ini dibantu oleh beberapa komponen elemen mesin yaitu motor bakar, puli, sabuk - V, bantalan, poros, rangka dan pisau pencacah. Dari hasil perancangan mesin pencacah pelepah sawit ini didapatkan motor bakar dengan daya 182 HP atau 136 KW serta putaran 1500 RPM dan dihubungkan dengan Sabuk - V Type E - 94 dengan Jarak Sumbu Poros : 957,8 mm sedangkan diameter puli kecil dan besar: 76,2 mm dan 228,6 mm dan bahan poros : S40C AISI 1040 dengan diameter poros : 62  mm serta jenis bantalan radial ball JIS B 1520 dan mesin ini menggunakan rangka besi UNP 50 mm x 80 mm.
The Experimental Study of The Effect of Air Preheating in MSW Pellet Multi-Stage Downdraft Gasifier Depi Rustam Ependi; Arif Rahman Saleh; Bambang Sudarmanta
IPTEK The Journal for Technology and Science Vol 30, No 2 (2019)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (718.059 KB) | DOI: 10.12962/j20882033.v30i2.5005

Abstract

High municipal solid waste generation in Indonesia can be used to substitute fossil energy. MSW is converted into pellet form to uniform moisture content. This study aimed to improve the performance of gasified downdraft gasifier processes by heating air inlets in pyrolysis, oxidation, and reduction zones. Variations of air temperature inlet in these zones are 80 oC, 110 oC, 150 oC, and 210oC. The results of this study obtained the highest air temperature at 210 ºC for 969 ºC. The syn-gas compositions (CO and H2) at an increase in temperature of 80-210 ºC increased from 21.4%, 9.99%, and 1.77% to 22.79%, 10.28%, and 1, 79% respectively. Cold gas efficiency increased by 5.13 % and the lowest tar level was 34.39 mg/Nm3. Based on the result of research, preheated air can improve the efficiency of gasification and reduce tar content in the syngas.
Comparative Study of Municipal Solid Waste Fuel and Refuse Derived Fuel in the Gasification Process Using Multi Stage Downdraft Gasifier Sigit Mujiarto; Bambang Sudarmanta; Hamzah Fansuri; Arif Rahman Saleh
Automotive Experiences Vol 4 No 2 (2021)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (581.788 KB) | DOI: 10.31603/ae.4625

Abstract

Municipal solid waste (MSW) is a type of general waste that includes households, traditional markets, commercial areas, and the rest from public facilities, schools, offices, roads, and so on. Refuse Derived Fuel (RDF) is obtained from the remnants of MSW which cannot be used anymore, which is flammable waste and is separated from parts that are difficult to burn through the process of chopping, sifting, and air classification. RDF has potential as an alternative energy source. In this study, RDF fuel was compared with MSW fuel both by proximate and calorific value, then the gasification process was carried out using a multi-stage downdraft gasifier to see gasification performance indicators such as syngas composition, LHV, cold gas efficiency, and tar concentration. The results showed that the gasification performance indicator for MSW biomass resulted in the syngas composition of CO = 19.08% v, H2 = 10.89% v, and CH4 = 1.54% v. The calorific value (Low Heating Value, LHV ) of syngas is 4,137 kJ/kg, cold gas efficiency is 70.14%, and tar content is 57.29 mg/Nm3. Meanwhile, RDF obtained the composition of CO gas: 18.68% v, H2: 9.5446% v, and CH4: 0% v. The maximum LHV syngas is 3365.08 kJ/kg, cold gas efficiency is 57.19 % and the smallest tar content is 80.24 mg/Nm3. When compared to RDF, MSW produces a better gasification performance indicator. However, RDF can still be used as an alternative energy source using the gasification process. The results of this study can be used to optimize the further RDF gasification process.
Co-Authors Bambang Sudarmanta Bambang Sudarmanta, Bambang Depi Rustam Ependi Hamzah Fansuri Ika Daruwati, Ika Khairul Fahmi Rindi Genesa Hatika robi yansyah robiyansyah, robi yansyah Sigit Mujiarto Yeza Febriani Yose Rizal Yose Rizal, MT, Yose Rizal