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Suhartana Suhartana
Chemistry Department, Faculty Of Sciences And Mathematics, Diponegoro University, Jl. Prof. Soedarto, SH., Tembalang, Semarang|Diponegoro University|Indonesia
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Journal : Infotekmesin

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Korelasi Konsentrasi Etanol 5% Pada Bahan Bakar Gasolin Terhadap Performa, dan Emisi Gas Buang Mesin Bensin 150cc Syarifudin Syarifudin; Eflita Yohana; Muchammad Muchammad; Suhartana Suhartana; Faqih Fatkhurrozak; Firman Lukman Sanjaya; M. Taufik Qurohman
Infotekmesin Vol 14 No 1 (2023): Infotekmesin: Januari, 2023
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v14i1.1737

Abstract

Ethanol has higher octane and oxygen properties than fossil-fuel gasoline. Along with the increase in gasoline dependency and exhaust emissions, the use of ethanol as a fuel is urgently studied. This study aimed to observe the concentration of 5% ethanol in gasoline on the performance and exhaust emissions of a 150cc gasoline engine that was operated at 1000, 2000, and 3000rpm. The observation results show that the concentration of 5% ethanol in gasoline correlates with an increase in performance with indications of an increase in EGT, Brake power, BTE, and a decrease in SFC. On the emission side, it is also correlated with an increase in the quality of exhaust emissions with indications of increased CO2 emissions and reduced CO and HC emissions. The best correlation of 5% ethanol concentration was obtained at an operating speed of 2000rpm with an increase in EGT of 10.70%, an increase in Brake power of 9.49%, an increase in BTE of 38.62%, an increase in CO2 emissions of 23.06%, a decrease in SFC of 26 .49%, CO emission reduction of 16.67%, and HC emission reduction of 4.24%.
Produksi Biofuel Berbahan Baku Mangrove Untuk Substitusi Bahan Bakar Gasoline Syarifudin Syarifudin; Eflita Yohana; Muchammad; Suhartana; Kusnadi; Faqih Fatkhurrozak; Firman Lukman Sanjaya
Infotekmesin Vol 15 No 2 (2024): Infotekmesin, Juli 2024
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v15i2.2318

Abstract

Dependence on fossil fuels requires a solution through alternative fuels. Ethanol is the recommended solution because it is easy to produce using raw materials that are abundant in nature, such as mangrove fruit. The Rhizophora Mucronata type of mangrove fruit contains 45.22% carbohydrates and is not used as raw material for human food. The research aims to produce ethanol biofuel from mangrove raw materials using multistage distillation. Experimental methods were applied at the stages of mangrove flour production, mangrove flour property testing, saccharification and fermentation, mangrove ethanol distillation, and analysis of potential performance and exhaust emissions. The research produced mangrove biofuel with an alcohol content of 28% which was produced from mangrove flour and had an ash content of 1.91%, protein, 2.24%, fat 0.53%, and water 11.61%. In addition, mangrove biofuel has higher viscosity and density properties than Gasoline at 0.8067Cp and 0.8115 g per mL respectively. The use of mangrove biofuel as a result of experiments is predicted to reduce fuel injection performance.
Korelasi Konsentrasi Etanol 5% Pada Bahan Bakar Gasolin Terhadap Performa, dan Emisi Gas Buang Mesin Bensin 150cc Syarifudin, Syarifudin; Yohana, Eflita; Muchammad, Muchammad; Suhartana, Suhartana; Fatkhurrozak, Faqih; Lukman Sanjaya, Firman; Qurohman, M. Taufik
Infotekmesin Vol 14 No 1 (2023): Infotekmesin: Januari, 2023
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v14i1.1737

Abstract

Ethanol has higher octane and oxygen properties than fossil-fuel gasoline. Along with the increase in gasoline dependency and exhaust emissions, the use of ethanol as a fuel is urgently studied. This study aimed to observe the concentration of 5% ethanol in gasoline on the performance and exhaust emissions of a 150cc gasoline engine that was operated at 1000, 2000, and 3000rpm. The observation results show that the concentration of 5% ethanol in gasoline correlates with an increase in performance with indications of an increase in EGT, Brake power, BTE, and a decrease in SFC. On the emission side, it is also correlated with an increase in the quality of exhaust emissions with indications of increased CO2 emissions and reduced CO and HC emissions. The best correlation of 5% ethanol concentration was obtained at an operating speed of 2000rpm with an increase in EGT of 10.70%, an increase in Brake power of 9.49%, an increase in BTE of 38.62%, an increase in CO2 emissions of 23.06%, a decrease in SFC of 26 .49%, CO emission reduction of 16.67%, and HC emission reduction of 4.24%.
Co-Authors Adi Darmawan Agnidian Setyorini Agung Sudaryono Agustina L.N. Aminin Anggraini, Devina Ingrid Ayu Sri Wahyuni Bambang Rusdiarso Choiril Azmiyawati Damar Nurwahyu Bima Didik S. W. Didik Setiyo Widodo Dwi Setyowati Eflita Yohana Eka Sulistya Hermawati Faqih Fatkhurrozak Fatkhurrozak, Faqih Feti Dwi Kurniati Firman Lukman Sanjaya Fuad Muhammad Gunawan Gunawan Haikel, Haikel Hakim, U. Khairunnisa Ika Ayu Fajarwati Janitra, Atikah Ayu khabibi Khabibi Kristinawati, Leny Kumala Devi Kusnadi Kuwatno Kuwatno L, Intan Dian Laksmi Dewi Paramitha Lukman Sanjaya, Firman M. Taufik Qurohman Marwan Faisal Muchammad Muchammad Muchammad Muchammad Muchammad Muhammad Muhammad Nafisa Khairunisa Narsito Narsito Noni Ika Rahmawati Novia Mintari Pardoyo Pardoyo Parsaoran Siahaan Pratama Jujur Wibawa Qurohman, M. Taufik Sanjaya, Firman Lukman Sapto P Putro Sapto P. Putro Simanullang, Jhosua Enrico H. Sriatun Sriatun Sriyanti Sriyanti Sugiarti Norvia Susilawati, Susilawati Syaiful . Syarifudin Syarifudin Syarifudin Syarifudin Syarifudin Syarifudin Taslimah Taslimah Titik Darmawanti Wempie Gressangga Widowati, Widowati Yanti Sri Rejeki Yundari, Yundari