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Journal : JURNAL KIMIA SAINS DAN APLIKASI

Iron Ion Removal from Water Using Clay Honeycomb Monolith Darmadi, Darmadi; Lubis, Mirna Rahmah; Adisalamun, Adisalamun; Zaki, Muhammad
Jurnal Kimia Sains dan Aplikasi Vol 29, No 1 (2026): Volume 29 Issue 1 Year 2026
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jksa.29.1.10-21

Abstract

Groundwater contamination by dissolved iron remains a widespread problem, particularly in decentralized water treatment systems, where simple, hydraulically efficient solutions are required. This study investigates a clay-based honeycomb monolith (CBM) as a structured adsorbent for Fe2+ removal from aqueous solutions, with simultaneous evaluation of adsorption and flow performance. The CBM was fabricated from natural clay and characterized using XRD, BET, SEM, and FTIR analyses. Batch adsorption experiments were conducted at Fe2+ concentrations of 2–9 mg L−1, and kinetic and isotherm models were applied. In addition, pressure drop measurements were performed under continuous-flow conditions using monoliths of varying heights. The CBM exhibited a specific surface area of 55 m2 g−1 and followed pseudo-second-order kinetics, while equilibrium data were best described by the Langmuir model with a maximum adsorption capacity of 0.229 mg g−1. Importantly, the monolithic structure exhibited low pressure drop (up to 18.54 kPa m−1), significantly lower than that of typical packed beds. The unique contribution of this work is to demonstrate that clay-based honeycomb monoliths can combine adsorption functionality with favorable hydraulic performance, highlighting their potential for practical iron removal in continuous-flow water treatment systems.
Co-Authors Abrar Muslim Adisalamun Adisalamun Ali, Wahed Febbry Andriansyah Alisastromijoyo Alisastromijoyo Alisastromijoyo, Alisastromijoyo Ambarita, Aulia Chintia Amelia Amri Amin Anggraini, Jessica Ardhila Shinta Aula Chairunnisak Aula Khairunnisa Bastian Arifin Cesar B. Granda Cesar B. Granda Cut Meurah Rosnelly Cut Meurah Rosnelly Darmadi Darmadi Darmadi Darmadi Darmadi M. Yusuf Darwanis Darwanis Devi Rahmanda Dian Nugraha Fachrul Razi Harahap, Baran Enda Harisman*, Hendra Harisman, Hendra Hendra Cipta Hendra Harisman Hendra Hasrisman Hery Widijanto Hesti Meilina Hesti Meilina Hizir Hizir Husni Husin Husni Husin Ibnu Rusydy Izarul Machdar Izarul Machdar Izarul Machdar, Izarul Jessica Anggraini Jon Kardi Kardi, Jon Karmel, Moehammad Ediyan Raza Li Zhu Li Zhu Lia Mairiza M Fahmi M, Iqhramullah M, Irfan M. Yusuf, Darmadi Mark T Holtzaple Masra, Rifdullah Bikri Medyan Riza Meuthia Busthan MUCHLIS Muchlis Muchlis Muchlis Muchlis Muhammad Jehan Muhammad Zaki Mukhriza Mukhriza Mukramah Mukramah Mukramah Yusuf Mukramah Yusuf Mukramah Yusuf Mulkal Mulkal Mulkal, Mulkal Muntazar, Muntazar Mustabsyirah Mustabsyirah Nafisah Al Huda Nasrul Arahman Nasrul Arahman Naufal Effendi Nova M. Nova M. Nurul Aflah Nurul Aflah Nurul Aflah Nurul Kamal Paramita, Esti Pocut Nurul Alam Pramana, Agus Hari Putra, Teuku Andika Rama Rahman, Faris Izzatur Rifdullah Bikri Masra Rina Hazliani Ryan Moulana Sofyana Sofyana Sri Aprilia Sri Mulyati Sri Mulyati SRI RAHAYU Suparno Suparno Suraiya Kamaruzzaman Suraiya Kamaruzzaman Syaubari Syawaliah Muchtar Syawaliah Muchtar Syawaliah, Syawaliah Teuku Maimun Teuku Maimun Teuku Maimun Umi Fathanah Umi Fathanah Wahyu Rinaldi Wahyu Rinaldi Wahyu Rinaldi Yanna Syamsuddin Yoessi Oktarini yunardi, yunardi Yusuf, Mukramah Zein, Muhammad Aldi Zhafran, Muhammad Zuhra Zuhra Zuhra