Roberto, Christopher (2019) Analisis Teknoekonomi Perancangan Teknologi Oxy-Combustion dan Carbon Capture Storage Untuk PLTU Batu Bara Superkritikal. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Pembangkit superkritikal merupakan salah satu tipe dari Pembangkit Listrik Tenaga Uap (PLTU) yang menggunakan uap fase superkritis sebagai fluida kerjanya. Uap fase superkritis berbeda dengan uap subkritis yang digunakan pada PLTU konvensional yang biasa digunakan di Indonesia. Penelitian ini berfokus pada analisis teknoekonomi perancangan PLTU superkritikal dengan kapasitas sebesar 7 MW dan menggunakan data operasional dari PLTU yang ada di PT. Great Giant Foods ditambah dengan penggunaan teknologi oxy-combustion dan carbon capture storage (CCS). Data operasional yang diperlukan adalah meliputi tekanan, temperatur yang digunakan, dan entalpi hasil perhitungan. Analisis dimulai dengan melakukan perhitungan manual untuk mendesain PLTU superkritikal dan membandingkannya terhadap PLTU subkritikal, sehingga didapatkan massa batu bara untuk proses pembakaran, selanjutnya dilakukan analisis stoikiometri pembakaran untuk menghitung jumlah gas buang. Setelah itu dilanjutkan dengan merancang dan mengoptimisasi desain Pressure Swing Adsorption (PSA), dilanjutkan dengan melakukan prediksi perhitungan CAPEX dan OPEX. Terakhir, keuntungan yang akan diperoleh pembangkit dianalisis menggunakan NPV dan IRR. Berdasarkan hasil analisis didapatkan bahwa penggunaan teknologi pembangkit superkritikal mendapatkan banyak keuntungan baik dari segi penghematan bahan bakar, penghematan steam yang digunakan serta peningkatan efisiensi sistem. Besar nilai NPV maksimum yang didapatkan adalah 57.211.550 USD dan IRR maksimum 48%.
Kata kunci: Oxy-combustion, CCS, PLTU Superkritikal, PSA
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Supercritical power plant is a type of steam power plant using the supercritical steam as the working fluid. The supercritical steam is different with the subcritical steam which usually used for every conventional steam power plant in Indonesia. This research is focused on technoeconomic analysis in designing supercritical steam power plant with the capacity of 7 MW and using the operational data from the power plant in PT. Great Giant Foods and with the addition of oxy-combustion technology and carbon capture storage (CCS). The operational data are consist of pressure, temperature, and entalphy based on the calculation result. Design of supercritical power plant was firstly calculated and the result was further compared to the subcritical power plant. This comparison resulted in coal mass required for supercritical power plant, which then incorporated into flue gas and stoichiometric of combustion process calculations. Those were then employed to Pressure Swing Adsorption (PSA) designs. These designs were eventually optimized and economically predicted using CAPEX and OPEX. Finally, the profit of the supercritical power plant was analyzed through NPV and IRR. The result showed that the supercritical technology was profitable by fuel saving, steam saving and optimizing the system efficiency of fuel saving, steam saving, and optimizing the system efficiency. The maximum of NPV and IRR obtained were 57.211.550 USD and 48%, respectively.
Keywords: Oxy-combustion, CCS, Supercritical power plant, PSA
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Oxy-combustion, CCS, PLTU Superkritikal, PSA |
| Subjects: | T Technology > TJ Mechanical engineering and machinery > TJ263.5 Boilers (general) |
| Divisions: | Faculty of Industrial Technology > Physics Engineering > 30201-(S1) Undergraduate Thesis |
| Depositing User: | Christopher Roberto |
| Date Deposited: | 13 Nov 2024 06:44 |
| Last Modified: | 13 Nov 2024 06:44 |
| URI: | http://repository.its.ac.id/id/eprint/70215 |
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