Simulasi Aplikasi Open Source Dwsim Utilisasi Biogas Upgrading Menggunakan Membran Dan Aplikasinya Pada Mesin Gas

Rabbani, Muhammad Nazih (2025) Simulasi Aplikasi Open Source Dwsim Utilisasi Biogas Upgrading Menggunakan Membran Dan Aplikasinya Pada Mesin Gas. Masters thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Isu perubahan iklim telah mempercepat adopsi energi baru dan terbarukan untuk mencapai net zero emission pada tahun 2060. Biogas merupakan pilihan yang menjanjikan untuk meningkatkan bauran energi baru terbarukan. Namun, proses upgrading biogas diperlukan agar pemanfaatannya efektif. Studi ini menggunakan aplikasi Open-Source DWSIM untuk mensimulasikan sistem biogas upgrading menggunakan sistem membran dan pemanfaatannya melalui sistem mesin gas. Kedua sistem telah divalidasi dan menunjukkan kinerja yang baik. Efek tekanan feed, selektivitas membran, dan jumlah modul membran memengaruhi kemurnian metana (CH₄) dan karbon dioksida (CO2). Kemurnian metana (CH₄) tertinggi (>94%) dicapai pada tekanan feed 10 bar dengan delapan modul membran. Namun, daya keluaran mesin gas menurun karena terdapat rugi-rugi metan selama proses pemisahan biogas. Meskipun demikian, penggunaan biometan dapat meningkatkan efisiensi mesin gas sampai dengan sebesar 1,39%.
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The issue of climate change has accelerated the adoption of renewable energy to achieve net zero emissions by 2060. Biogas represents a promising option for enhancing the renewable energy adoption. However, upgrading biogas processes are necessary to enable its effective utilization. This study utilizes the open-source application DWSIM to simulate a biogas upgrading system using membranes system and its utilization through a gas engine generator system. Both systems have been validated and demonstrated a good performance. The effects of feed pressure, membrane selectivity, and the number of membrane modules influence the purity of methane (CH4) and carbon dioxide (CO2). The highest methane purity (>94%) was achieved at a feed pressure of 10 bar with eight membrane modules. However, gas engine generator power output may decrease due to methane losses during the biogas separation process. However, exploiting biomethane could increase gas engine efficiency up to 1,39%.

Item Type:	Thesis (Masters)
Uncontrolled Keywords:	Transisi Energi, Biogas Upgrading, Mesin Gas; Membran Energy Transition, Biogas Upgrading, Gas Engine, Membrane
Subjects:	T Technology > TJ Mechanical engineering and machinery > TJ808 Renewable energy sources. Energy harvesting.
Divisions:	Faculty of Industrial Technology and Systems Engineering (INDSYS) > Mechanical Engineering > 21101-(S2) Master Thesis
Depositing User:	Muhammad Nazih Rabbani
Date Deposited:	31 Jul 2025 06:55
Last Modified:	31 Jul 2025 06:55
URI:	http://repository.its.ac.id/id/eprint/124563

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