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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 : Mechatronics, Electrical Power, and Vehicular Technology

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Estimating the dimensions of integrated calciner and carbonator for calcium looping process in a 7500 TPD capacity of cement plant Aulia, Tia; Prahmana, Rico Aditia; Darmanto, Prihadi Setyo; Juangsa, Firman Bagja; Ghita Ghaida Permatasari, Raden Dewi; Walad, Khoeril
Journal of Mechatronics, Electrical Power, and Vehicular Technology Vol 15, No 2 (2024)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/j.mev.2024.1003

Abstract

The calciner in cement factories plays a crucial role, particularly in the decomposition of calcium carbonate (CaCO3) as primary raw materials into calcium oxide (CaO) and carbon dioxide (CO2), a significant contributor to greenhouse gas (GHG) emissions. Hence, an integrated system has been proposed, combining conventional cement plants with calcium looping (CaL) cycles to reduce CO2 emissions. CaL facilitates the capture of CO2 by CaO, forming CaCO3 as raw material for cement production. Given that CaL effectively reduces CO2 emissions, the integration process with conventional cement plants requires careful consideration, particularly regarding raw materials, calciners, and carbonators. Integration parameters for CaL in raw materials include average diameter and logarithmic temperature difference. At the same time, calciners and carbonators encompass heat transfer coefficient (U), calciner dimensions, carbonation factor, and mass balance post-integration with CaL. These parameters will be calculated to facilitate the integration of the CaL cycle with conventional cement plants. In this study, based on raw materials with an average diameter of 3.28 µm and the mean heat transfer coefficient between hot gas and raw materials of 4 W/m2 K, the calculated dimensions for the calciner are 9.6 m in diameter and 25 m in height. Since the plant studied has two preheater strings, two carbonator units are also required. The size of each carbonator is 4.75 m in diameter with a length of about 40 m, so it has a total volume approximately equal to the volume of the calciner to provide a longer residence time for particles.
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