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All Journal Jurnal IPTEK IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Science and Technology Indonesia IJEMS (Indonesian Journal of Environmental Management and Sustainability) Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam TEKNIKA Jurnal Teknik Kimia Jurnal Abdi Insani Journal of Applied Materials and Technology Jurnal IPTEK Bagi Masyarakat Seminar Nasional Insinyur Profesional (SNIP) Bulletin of Chemical Reaction Engineering & Catalysis Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran Cognitia : International Engineering Journal
David Bahrin
Jurusan Teknik Kimia, Fakultas Teknik, Universitas Sriwijaya, Inderalaya – Indonesia
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Performance Analysis and Optimization of an Ammonia Stripper through Scrubber Integration Using Industrial Data and Aspen Hysys Simulation Susmanto, Prahady; yani, Irsyadi; Bahrin, David; Maharani, Asty; Anggraini, Suci
Cognitia : International Engineering Journal Vol. 2 No. 1 (2026): Cognitia : International Engineering Journal
Publisher : Candela Edutech Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63288/ciej.v2i1.16

Abstract

The stripping gas from the ammonia stripper still shows fluctuating ammonia (NH₃) content and, under certain conditions, has the potential to exceed the targeted limit. This study discusses the evaluation of the ammonia stripper output gas and efforts to reduce NH₃ levels by adding a scrubber unit as a further treatment using Aspen HYSYS V.11 simulation. However, previous studies have primarily focused on ammonia removal within the stripper unit under steady-state conditions, with limited investigation into the integration of scrubber systems to handle fluctuating industrial wastewater and steam flow conditions. Operational performance was evaluated using industrial data collected during August 6–10, 2025, by calculating NH₃ removal efficiency based on inlet–outlet concentrations, followed by Aspen HYSYS simulation using the Extended NRTL model to analyze the effect of wastewater flow rate and assess the optimization process through scrubber integration. The evaluation results show that before the addition of the scrubber, the NH₃ reduction efficiency in the ammonia stripper was in the range of 87.78–96.34% with an average value of 92.97%, but under conditions of high wastewater discharge, the NH₃ concentration in the stripping gas still increased. Scrubber integration simulations showed that the NH₃ concentration in the stripper exhaust gas decreased from 3.21% to 0.96%, equivalent to a reduction of approximately 70%, indicating significant emission optimization. These results indicate that the addition of a scrubber to the stripped gas is an effective alternative to control NH₃ emissions.
Co-Authors Aditia H Akbar Agustina Agustina Alhaya, Zahra Syifa Aminuddin, Kiagus Muhammad Amir Arifin Anggraini, Suci Aprianti, Tine Astuti Ayu Permatasari Azka R Antari Azkia, Amirah Nur Barlin Oemar Conniwanti Cundari, Lia Dikpride Despa Dwiki Ramadhan Faras Saskia Samara Farra Unzilah Kendari Putri Fatimura, Muhrinsyah fauzan Fauzan Fitri Hadiah Gayatri, Rianyza Herri Susanto Indah Puspita, Indah Indira Nur Sakinah Irsyadi Yani jaya, san jaya Leily Nurul Komariah Machmud Hasjim Maharani, Asty Muhammad Abil Rifqy Muhammad Faisal Muhammad Faizal Muhammad Reza Tinambunan Muhammad Ridho Habibie Muhammad Rizwan MUHAMMAD SAID Nabilah, Halla Syaima Novia Novia Nurlela Okzani, Syahrial Rahayu, Atika rendana, muhammad Rizka Amanda RR Yunita Bayu Ningsih Rully Masriatini Selpiana Selpiana Selpiana, Selpiana Selpiana, Selpiana Setiawan, Yayat Subagjo Subagjo Susi Susanti Susila Arita Susmanto, Prahady Syaira, Adeline Aurelia Tri Julieta Putri Trisya Septiana Tuti Indah Sari Tuty Emilia Agustina Yazila, Syukran Zahirah, Faiha Talita