Analisa Pengaruh Desulfururisasi Marine Diesel Oil (MDO) Menggunakan Bakteri Rhodococcus Erythropolis Terhadap Performa Mesin Diesel Satu Silinder

Hartono, Muhammad Fauzi (2022) Analisa Pengaruh Desulfururisasi Marine Diesel Oil (MDO) Menggunakan Bakteri Rhodococcus Erythropolis Terhadap Performa Mesin Diesel Satu Silinder. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Pemerintah Indonesia dan juga International Maritime Organization (IMO) semakin ketat mengatur penggunaan bahan bakar dengan kandungan sulfur tinggi, dimana kandungan sulfur maksimal yang boleh digunakan sebesar 0,5% m/m. Marine Diesel Oil (MDO) memiliki kandungan sulfur sebanyak 2% m/m dimana hal tersebut berarti kandungan sulfur pada marine diesel oil tidak memenuhi persyaratan penggunaan. Untuk itu diperlukannya pengurangan kadar sulfur pada bahan bakar dengan cara desulfurisasi. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh kadar sulfur pada marine diesel oil setelah dilakukan biodesulfurisai menggunakan bakteri Rhodococcus Erythropolis dan juga pengaruhnya terhadap performa mesin diesel. Penelitian ini berbasis eksperimen dimana kultur bakteri diinkubasi selama 8 hari dalam mineral salt medium dengan tiga variasi konsentrasi bahan bakar yaitu 15%, 20%, dan 25%. Penelitian berbasis pada eksperimen untuk menganalisa pengaruh variasi campuran terhadap kadar sulfur bahan bakar dan juga pengaruhnya terhadap performa mesin diesel. Hasil uji kandungan sulfur tertinggi pada penelitian ini secara berurutan adalah variasi MSM+MDO 15%, MSM+MDO 25%, MSM+MDO 20%, dan MDO. Sedangkan untuk hasil uji performa untuk daya, torsi dan BMEP terbesar dihasilkan oleh bahan bakar MDO 15% dibandingkan menggunakan bahan bakar MDO, MDO 20% dan juga MDO 25%.
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The Indonesian government and the International Maritime Organization (IMO) strictly regulate the use of fuels with sulfur content, where the maximum sulfur content used is 0.5% m/m. Marine Diesel Oil (MDO) has a sulfur content of 2% m/m which means that the sulfur content in marine diesel oil does not meet the requirements for use. For this reason, it is necessary to reduce sulfur content in fuel by desulfurization. The purpose of this study was to determine the effect of sulfur content on marine diesel oil after biodesulfurization using Rhodococcus Erythropolis bacteria and its effect on diesel engine performance. This study is based on an experiment where bacterial cultures were incubated for 8 days in a mineral salt medium with three fuel concentrations, namely 15%, 20%, and 25%. Experiment-based research to analyze the effect of mixture variations on fuel sulfur content and also its effect on diesel engine performance. The results of the highest sulfur content test in this study sequentially were the variations of MSM+MDO 15%, MSM+MDO 25%, MSM+MDO 20%, and MDO and for the performance test results for power, torque, and BMEP produced by 15% MDO fuel. compared to using MDO, 20% MDO and 25% MDO.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Desulfurisasi, Rhodococcus Erythropolis, MDO, Performa, desulfurization, Performance
Subjects:	V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering > VM731 Marine Engines
Divisions:	Faculty of Marine Technology (MARTECH) > Marine Engineering > 36202-(S1) Undergraduate Thesis
Depositing User:	Muhammad Fauzi Hartono
Date Deposited:	08 Feb 2022 01:05
Last Modified:	31 Oct 2022 03:34
URI:	http://repository.its.ac.id/id/eprint/93078

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