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All Journal JURNAL KIMIA SAINS DAN APLIKASI Prosiding Pendidikan Sains Alchemy Jurnal Penelitian Kimia Science and Technology Indonesia Communications in Science and Technology G-Tech : Jurnal Teknologi Terapan Jurnal Abdi Masyarakat Indonesia Jurnal Abdimas Kartika Wijayakusuma Inovasi Fisika Indonesia (IFI) Molekul: Jurnal Ilmiah Kimia
Teguh Endah Saraswati
Pusat Studi Jepang LPPM Universitas Sebelas Maret
Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Physics Public Health Social Sciences Other

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The Initial Screening of Heavy Metal Adsorption on Highly Porous Metal-Organic Frameworks based on MIL-101(Cr), Ethylenediamine-modified MIL-101(Cr), and MIL-101(Cr)-NH2 Dendy, Dendy; Lestari, Witri Wahyu; Anshori, Isa; Rahardjo, Sentot Budi; Pramono, Edi; Saraswati, Teguh Endah; Wibowo, Fajar Rakhman
Molekul Vol 21 No 1 (2026)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jm.2026.21.1.17186

Abstract

ABSTRACT. Heavy metal pollution is a significant environmental issue with detrimental effects on ecosystem and human health. Therefore, comprehensive handling need to be carried out. Herein we studied initial screening adsorption of heavy metals including Ni, Cu, Zn, Cd, and Pb using Metal-Organic Frameworks class of Materials Institute Lavoisier (MIL) based on Cr(III). MIL-101(Cr), and its modification with ethylenediamine (EA), and MIL-101(Cr)-NH2 were prepared under hydrothermal condition. X-ray diffraction and FT-IR analysis confirmed the formation of the targeted materials. A new absorption band at 1050 cm-1 corresponds to vibration of C-N which indicates the successful EA modification into MIL-101(Cr). Nitrogen sorption isotherm measurement revealed MIL-101(Cr) and EA@MIL-101(Cr) have a specific surface area of 2548.6 and 2079 m²/g with micropore-sized, while MIL-101(Cr)-NH2 has a specific surface area of 1583.4 m²/g with micro and mesopore-sized. Adsorption performance was assessed through batch experiments monitored by atomic absorption spectroscopy. The results show that MIL-101(Cr) and its modification with EA exhibit higher adsorption capacities on cadmium and nickel metal ions, compared to MIL-101(Cr)-NH2. Meanwhile, MIL-101(Cr)-NH2 and MIL-101(Cr) show more dominant adsorption capabilities on zinc and copper ions compared to the EA-modified MIL-101(Cr). This result suggests that the material's porosity still plays a dominant role in the adsorption processes compared to amine functionalize group on MIL itself. Keywords: adsorption, chromium(III), heavy metals, MOF, MIL
Rice Husk Ash-Derived Magnetized Silica Functionalized with TMPDT for Heavy Metal Ion Removal Hastuti, Sri; Irfani, Hasna Haifa; Nuzula, Rifania Aura; Saraswati, Teguh Endah; Masykur, Abu; Purnawan, Candra; Wibowo, Atmanto Heru; Fitriana, Dina
Molekul Vol 21 No 1 (2026)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jm.2026.21.1.17837

Abstract

ABSTRACT. The removal of toxic heavy metal ions from water remains a critical environmental challenge. In this study, a novel magnetized mesoporous silica adsorbent functionalized with N1-(3-trimethoxysilylpropyl) diethylenetriamine (Fe₃O₄@SiO₂@meso-SiO2@TMPDT), synthesized from rice husk ash, was developed for the adsorption of Cd(II) and Pb(II) ions. The characterization of the adsorbent by FTIR, SEM-EDX, and TGA confirmed the successful synthesis of magnetized and TMPDT-functionalized silica derived from rice husk ash (Fe₃O₄@SiO₂@meso-SiO₂@TMPDT). The adsorption study consists of the determination of optimum pH, the adsorption kinetics study, and the adsorption isotherm. Batch adsorption studies showed that the optimal pH values for Cd(II) and Pb(II) adsorption were 4 and 3, respectively. The adsorption kinetics for both metal ions followed a pseudo-second-order model. Furthermore, the adsorption isotherms fitted both the Langmuir and the Freundlich models with comparable R² values. The maximum adsorption capacities (Qₘ) of Fe₃O₄@SiO₂@meso-SiO₂@TMPDT for Cd(II) and Pb(II) were 28.089 and 24.498 mg/g, respectively. These findings demonstrate that the developed adsorbents offer an effective and sustainable approach for heavy metal removal from aqueous systems. Keywords: adsorption, heavy metal ions, magnetized silica, rice husk ash, TMPDT
Co-Authors Abdul Basith Abdurrahman, Ahmad Faruq Abu Masykur Alifia Desy, Alifia Aprilia, Ayu Apriliyani, Rizqi Ardian Aji, Ardian Atmanto Heru Wibowo Azizah, Isna Nurmilatul Candra Purnawan Carissa Hertiningtyas, Carissa Dana - Praseptiangga Dendy, Dendy Dian Maruto Widjonarko Djuminah , Djuminah Edi Pramono Fajar Rakhman Wibowo Faradilla, Radianita Fitriana, Dina Ganjar Fadillah, Ganjar Hamzah Fansuri Irfani, Hasna Haifa Isa Anshori Isya Fitri Andhika, Isya Fitri Kemala, Yusnadia Kusumandari, Kusumandari Kusumawardani - - Lestar, Witri Wahyu Lestari, Witri Wahyu Melina, Dika Caesar Mukti, Rino Rakhmata Murni - Ramli Naufal, Widyan Muhammad Nugroho, Roshid Adi Nuzula, Rifania Aura Patiha Patiha, Patiha Pramudita Putri Kusuma, Pramudita Putri Pratama, Jeesica Hermayanti Puspitasari, Melani Puji Rahayu Rahayu Rahmawati, Rahmawati Rosyad, Nisaul Hasanah Abdul Salsabila, Nadia Octaviani Faiq Saputri, Dini Deviana Sayekti Wahyuningsih Sentot Budi Rahardjo Sentot Budi Raharjo Sri Hastuti Sri Murni Suciati - - Suharbiansah, Rujito S. R. Sulistyo - Saputro Venny, Venny Wijang Wisnu Raharjo Wulandari, Resa Yudi - Rinarto Zahar, Intan Zetadini, Reza