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All Journal International Journal of Applied Power Engineering (IJAPE) JURNAL TEKNOLOGI KIMIA DAN INDUSTRI Waste Technology Eksergi: Chemical Engineering Journal World Chemical Engineering Journal JURNAL INTEGRASI PROSES Jurnal Riset Teknologi Pencegahan Pencemaran Industri Jurnal Teknik Kimia dan Lingkungan SAINTEK Jurnal Bahan Alam Terbarukan
Iqbal Syaichurrozi
Jurusan Teknik Kimia, Fakultas Teknik, Universitas Sultan Ageng Tirtayasa, Cilegon-Banten, Indonesia
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Other

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Process Simulation of Low-Carbon Cement Production Using Wollastonite as a Limestone Substitute Sony Nugraha; Anton Irawan; Iqbal Syaichurrozi
World Chemical Engineering Journal VOLUME 10 NO. 1 JUNE 2026
Publisher : Chemical Engineering Department, Engineering Faculty, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/wcej.v1i1.38513

Abstract

The conventional limestone-based cement production process is widely recognized as one of the largest contributors to global carbon dioxide emissions. Carbon dioxide emissions are produced because of the calcination process of limestone, namely calcium carbonate, and high energy consumption. In the conventional cement manufacturing process, various efforts have been made to reduce the amount of carbon dioxide emissions produced, but these efforts have not yet reduced the amount of carbon dioxide emissions massively. A breakthrough step was made by using alternative raw materials, namely using silica rock to replace limestone, so that carbon dioxide emissions from the calcination process are not produced. This alternative production using silica rock uses a chemical approach where the process goes through the stages of leaching, separation, precipitation, dehydration, decomposition and clinkerization. Simulations focused on the leaching, separation and precipitation stages to predict the mass balance, solvent requirements and distribution of calcium and silica. The simulation results showed that the leaching stage conversion reached 99% at a temperature of 80oC and a retention time of 5 hours, while the precipitation stage conversion reached 99% at a temperature of 80oC and a retention time of 4 hours. Meanwhile, the potential reduction in carbon dioxide emissions reaches 70% because of the elimination of the calcination process, and the potential reduction in energy consumption in the rotary kiln unit reaches 60%. This study also provides an initial quantitative basis for developing a carbon-free cement production process.
Co-Authors Afdwiyarni Metta Karina Ahmad Imanuddin Alia Badra Pitaloka, Alia Badra Anellysha Putri Apriantika Anton Irawan Anwari, Ropi Apriantika, Anellysha Putri B Budiyono Budiyono Budiyono Dea Yusuf Yudanto, Dea Yusuf Dyah Hesti Wardhani Fachriza, Muhammad Doni Hadi Prayitno, Hadi I Gusti Bagus Wiksuana Ibrahim, Achmad Faizal Janah, Citra Nurul Jayanudin Jayanudin Khomariah, Nur Listiyani Nurwindya Sari M. Fakhri Basyir Matin, Hashfi Hawali Abdul Mita Napitasari, Mita Muhamad Farhan Nabilah Nabilah Netty Handayani Prabowo, Bianca Amartya Putri Kurnia Villta Rafi Muhammad Farraz Rais Fatikhin Rusdi Rusdi Sari, Listiyani Nurwindya Satria, Muhamad Ariel Sharfan Dwicahyanto Siswo Sumardiono Sony Nugraha Suherman, Suherman SUHIRMAN SUHIRMAN Sutaryo Sutaryo Syafrudin Syafrudin Teguh Kurniawan Topik Hidayat Tsaqif , Farhan Fadlurohman Wardalia Wardalia Yustinus Selis Toron