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All Journal Mechatronics, Electrical Power, and Vehicular Technology Rekayasa Mesin Journal of Engineering and Technological Sciences Indonesian Journal of Science and Technology Journal of Mechanical Engineering Science and Technology Mesin Jurnal Teknik Industri Terintegrasi (JUTIN)
Firman Bagja Juangsa
Faculty Of Mechanical And Aerospace Engineering, Institut Teknologi Bandung, Jalan Ganesha 10, Bandung 40132, Indonesia
Computer Science & IT Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : Journal of Mechanical Engineering Science and Technology

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Steam Supply Evaluation for Carbon Capture and Storage in a Subcritical Coal-Fired Power Plant Hendrayawan, Veri; Raksajati, Anggit; Adisasmito, Sanggono; Juangsa, Firman Bagja
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 9, No 1 (2025)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v9i12025p291

Abstract

The aim of this study is to analyze the implementation of carbon capture and storage (CCS) in coal-fired power plants (CFPP) in Indonesia by determining the reboiler energy demand through steam source analysis. The study uses a representative 3×330 MW subcritical coal-fired power plant (CFPP), with an emission intensity of 1.02 tCO₂/MWh and flue gas CO₂ concentration of 13.8%. CCS modeling shows the reboiler requires about 2.9×10⁹ kJ/h energy, supplied by steam extracted from the plant’s steam cycle. A steam cycle model was developed to evaluate the impact of steam extraction. Potential tapping points analyzed include main steam, cold reheat, intermediate-pressure (IP) extraction, low-pressure to intermediate-pressure LP-IP crossover, and low-pressure (LP) extraction. Main steam extraction with the highest energy content needs the lowest steam mass flow of 355 t/h but causes the highest energy penalty of 57% because of lost electricity production in HP and IP extraction. Cold reheat extraction requires moderate steam flow of 399 t/h and a penalty of 52% but risks overheating reheater tubes. The LP-IP crossover point needs the highest steam flow 414 t/h, yet achieves the lowest net energy penalty at 33.8% with minimal operational risk, making it the most favorable option for CCS integration.
Co-Authors Adisasmito, Sanggono Alfi Amalia Alfi Amalia Arief Syahlan Arief Syahlan Aulia, Tia Azaria Haykal Ahmad Bentang Arief Budiman Darmanto, Prihadi Setyo Devy Setiorini Sa’adiyah Firmansyah, Ridha Ghita Ghaida Permatasari, Raden Dewi Hendrasakti, Jooned Hendrayawan, Veri I Made Astina I Made Astina Ilhamsyah, Rizky Izzan Hakim Muzakki Izzan Hakim Muzakki Mamola, Randi Muhammad Aziz parman parman Prahmana, Rico Aditia Pratama, Raditya Hendra Prihadi Setyo Darmanto Prihadi Setyo Darmanto Prihadi Setyo Darmanto Prihasto, Bima Rahardian, Samuel Raksajati, Anggit Sambegoro, Poetro Lebdo Samsu Dlukha N Suardi Suardi Suyatna, Nadiyah Rizki Walad, Khoeril