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All Journal JURNAL KIMIA SAINS DAN APLIKASI Journal of Education and Learning (EduLearn) Jurnal Bahan Alam Terbarukan Jurnal Teknik Mesin Elkawnie Jurnal Litbang Industri Al-Jabar : Jurnal Pendidikan Matematika Jurnal Hasil Penelitian Industri JMM (Jurnal Masyarakat Mandiri) Scientific Journal of Reflection : Economic, Accounting, Management and Business Bio-Lectura Astonjadro Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika Adimas : Jurnal Pengabdian Kepada Masyarakat Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat LINIMASA: JURNAL ILMU KOMUNIKASI ASEAN Journal of Chemical Engineering Abdi Laksana : Jurnal Pengabdian Kepada Masyarakat Jurnal Mandala Pengabdian Masyarakat Jurnal Ilmiah Wahana Pendidikan Djtechno: Jurnal Teknologi Informasi Jurnal Hurriah: Jurnal Evaluasi Pendidikan dan Penelitian Jurnal Simki Pedagogia Narra J Leibniz: Jurnal Matematika Jurnal PKM Manajemen Bisnis NUSRA: Jurnal Penelitian dan Ilmu Pendidikan Journal of Education Research Jurnal Pengabdian Masyarakat : Pemberdayaan, Inovasi dan Perubahan Jurnal Pengabdian Inovasi dan Teknologi Kepada Masyarakat Jurnal Litbang Industri Journal of Educational Sciences Edumatica: Jurnal Pendidikan Matematika Aceh International Journal of Science and Technology Journal of Business, Management and Social Studies Electronic Journal of Education, Social Economics and Technology Teknologi dan Industri Pertanian Indonesia Journal of Pharmaceutical and Sciences. Bulletin of Chemical Reaction Engineering & Catalysis MARAS : Jurnal Penelitian Multidisplin Liwaul Dakwah: Jurnal Kajian Dakwah dan Masyarakat Islam AMANAH : Jurnal Ilmiah Ilmu Manajemen JURNAL REKAYASA KIMIA & LINGKUNGAN Amanah Mengabdi JUKEMAS : Jurnal Pengabdian Kepada Masyarakat
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Journal : JURNAL KIMIA SAINS DAN APLIKASI

Study of Synthesis and Performance of Clay and Clay-Manganese Monoliths for Mercury Ion Removal from Water Aula Chairunnisak; Darmadi Darmadi; Adisalamun Adisalamun; Mukramah Yusuf; Syawaliah Mukhtar; Ulfa Rijal Safitri; Opie Azza Shafira
Jurnal Kimia Sains dan Aplikasi Vol 26, No 4 (2023): Volume 26 Issue 4 Year 2023
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jksa.26.4.133-142

Abstract

The pollution caused by mercury (Hg) is a matter of concern regarding worldwide ecosystems and public health. It is dangerous as it is highly poisonous and has more ways to get exposed than other heavy metal ions. Recently, the application of biomaterials with varying structures and designs for mercury adsorption has grown. In this research, clay monoliths (CM) and clay-manganese monoliths (CMM) were synthesized, investigated, and compared regarding their ability to adsorb mercury ions from water to determine the most effective adsorbents. CM and CMM were extruded through a stainless-steel molder with dimensions of 7 holes, 9 mm in radius, and 20 mm in height. The surface morphologies of both adsorbents were characterized using infrared (IR) spectroscopy and scanning electron microscopy (SEM). The effects of contact time (40, 80, 120, 160, 200, and 240 minutes) and initial concentrations (3–5 mg/L) were applied to evaluate both adsorption processes. The experiment was conducted in a batch reactor using a monolithic adsorbent that operated for 240 minutes. The experimental equilibrium data of the adsorption were examined with Langmuir and Freundlich models to find the best-fit isotherm. In the kinetic study, the pseudo-first-order was investigated in both linear and nonlinear models. The adsorption results showed that CMM had the highest adsorption efficiency (42.7%). The equilibrium study concluded that the Langmuir was the most significant isotherm model. The highest monolayer capacity and Langmuir constants (KL and aL) were 0.396, 1.329, and 0.396, respectively. The adsorption of both adsorbents was well displayed in the pseudo-first-order non-linear model. Experiments and processed data compromise the finding that CMM is more effective than CM at adsorbing mercury ions.
Candlenut Shell and Clay-Derived Monoliths with Molasses Binder: A Sustainable Approach to Water Dye Decontamination Farid Nanda; Darmadi Darmadi; Muhammad Zaki; Adisalamun Adisalamun; Aula Chairunnisak
Jurnal Kimia Sains dan Aplikasi Vol 28, No 2 (2025): Volume 28 Issue 2 Year 2025
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jksa.28.2.88-97

Abstract

This study presents a sustainable approach to water dye decontamination using monoliths constructed from candlenut shells, clay, and molasses as a binder. The candlenut shells were activated to form carbon and then mixed with natural clay and molasses to create the monolith composite. The dough was pushed through a stainless-steel mold featuring seven circular openings, each measuring 2 cm in width and 2 cm in thickness, to create the monoliths (MCC and MMCC). The monoliths were rigorously tested for adsorption efficiency, isotherm behavior, and kinetic properties. Results showed a high dye removal efficiency, with 92% for methylene blue and 74% for methyl orange, which was attributed to the stronger interaction of methylene blue with the negatively charged surface of the monoliths. The isotherm analysis followed the Langmuir model, indicating monolayer adsorption on uniform active sites. Kinetic studies using linear regression analysis aligned with the pseudo-second-order model, indicating that chemical adsorption was the controlling factor in the rate. Characterization of the monoliths using Scanning Electron Microscopy (SEM) revealed a porous surface morphology, while X-ray Diffraction (XRD) identified the crystalline structures present. Fourier Transform Infrared Spectroscopy (FTIR) confirmed the presence of functional groups essential for dye adsorption, and Brunauer-Emmett-Teller (BET) analysis determined the specific surface area and pore size distribution. In conclusion, this study underscores the viability of using candlenut shell and clay-derived monoliths as efficient and environmentally friendly adsorbents for wastewater treatment, providing a practical solution to dye pollution.
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 - Jalaluddin Abrar Muslim Adi Wibowo Adisalamun Adisalamun Adisalamun Adisalamun Adisalamun Adisalamun Adisalamun Adisalamun Adisalamun Adisalamun Agus Suhartono Agustin, Adinda Eka Ahyani, Ahyani Alhuda Anwar Thaib Anwar Thaib Ariska, Maiata Devi Arnentis Arnentis, Arnentis Asiska Permata Dewi Asmara, Josi Farda Khafid Asri Gani Astuti, Indra Puji Aula Chairunnisak Aula Chairunnisak Aula Chairunnisak Aula Chairunnisak Ayu, Giovanni Ayuningtias, Ratih Azhari Azhari Balqist, Tanaya Bastian Arifin Benny Handoyo, Benny Budiono Budiono Budiyono Budiyono Choirunnisa, Nastiti Chuah T.G Cut Meurah Rosnelly Dahnilsyah, Dahnilsyah Daliani, Putri Darmawati Darmawati Debby Widya Kusuma Destiana, Ristian Diva dharma Lindarto, dharma Dhoti, Shofi Ma'rifaturriya Diana Natalia Dianti, Putri Rahma Dipuja, Diah Anugrah Diyah, Anggraeni Donalizarti, Donalizarti Dzikri Hamzah Edi Sudrajat Endang Purwaningsih Ermina Sari Eti Indarti Evi Suryawati Fadhilla, Febriana Nor Fadila, Sarah Farid Farid, Farid Farid Nanda Fatihah, Salsabilla Rima Fatimah, Dafina Febrianty, Rahmatika Feriandi, Yoga Ardian Fitri, Ailsa Fitriana, Elza Fitriana, Nimas Nur Fitriyadi, Enjah Pipit Gaho, Daratul Aini Giovanni, Giovanni Gontar Alamsyah Siregar Guruh, Muhamad Hafit, Muhammad Fairuz Asra Hafni Putri Indriani Indra Halomoan, Yan Kristian Hariyanti, Mariya Keke Hasan, Dedy Haryadi Helmi, Afri Herlina, Sara Hery Widijanto Hesti Meilina Hesti Meilina Hisbullah Hisbullah Hizir Hizir Husni Husin Husni Husin, M.T. Ibrahim, Ishak - Imelda Rey Indah, Erika Irda Sayuti IRWANTO Isa, M Ishak Ishak Jelita, Aulia Vinda Junaedi Abdillah, Junaedi Junizar, Herdya Juwita, Sellia Kamaruzzaman, Suraiya Kustini, Endang Kusuma, Debby Widya Kusuma, Laila Kusuma, Rinda Tri Laila Kusuma lakantina, Sherly Leonardo Basa Dairi M, Iqhramullah M, Irfan M. Yogi Riyantama Isjoni Mahidin Mahidin Mahidin Mahidin Mariani Natalina Mariani Natalina L, Mariani Marwan Marwan Masrul Lubis Medyan Riza Mirna Lubis Mirna Rahmah Lubis Mitri Irianti Muhammad - Muhammad Muhammad Dani Supardan Muhammad Hatta Muhammad Saleh Muhammad Syam, Azhari - Muhammad Zaki Muhammad Zaki Muhammad Zaki Muhammad, Muhammad - Mujiastutik, Dhea Putri Mukramah Yusuf Murtafi’ah, Wasilatul Muslim*, Abrar Musriyani, Iin Muzasti, Riri A. Nabil Nabil, Nabil Napitupulu, Romauli Juliana Nasrullah RCL Nur Aysah, Ervinda Ika Nur, Doni Haidar Nurfarida - Nurfarida Nurfarida, Nurfarida - Nurhazanah Nurhazanah Nurhazanah, Nurhazanah Nursal Nursal, Nursal Opie Azza Shafira Pertiwi, Hernin Diah Permata Pocut Nurul Alam Pratama, Guruh Dwi Pratikso Pratikso Priyandani, Marisa Ayu Purbayani, Dina Rizky Putri, Aldila Rahma Putri, Karisma Anisa Rahmad Setiawan Rahmat, Mudiyono Rahmawati, Alfina Pristya Ramona, Nadia Rasdiansyah Rasdiansyah Rasulyanti, Amalia Rivalino, Ricky Robiah Yunus Robiah Yunus Robiah Yunus Rofi, Latifa Hammimatu Rosyida, Dina Ruka Yulia Saiful Saiful Saiful Saiful Saniya, Saniya Sanusi Sanusi Septiyaningrum, Fina Dwi Putri Serly, Widya Ambar Setiawan Setiawan Setiawan, Johan Siahaan, R. Fanry Silowati, Mintut Siti Mardiana Siti Qomariah, Siti Siti Sarah Siti Sarah, Siti Solihin, Dede Solikah, Nurul Islami Solikin Solikin Sri Adi Widodo Sri Wulandari Suadi Zainal Suraiya Kamaruzzaman Suryani, N Lilis Susanto, Noto Swasti Maharani, Swasti Syatoto, Iman Syavela, Gea Syawaliah Mukhtar T. G. Chuah T. G. Chuah Taufik Rinaldi Taufiq Y.H. Yap Taufiq Y.H. Yap Thomas S.Y Choong Thomas S.Y. Choong Thomas S.Y. Choong Trisna Ningsih Ula, Khayranil Ulfa Rijal Safitri Vera Roni Setiawan Vera Roni Setiawan Wahyu Rinaldi Wahyu, Eka Wahyuni, Liya Tri Wahyuni, Resma Wardani, Yulia Nindi Wasilatul Murtafiah Wiwi Sartika Wulandini, Putri Y.H. Taufiq Yap Yose Rizal Yulia Yesti, Yulia Yulia, Ruka Yulianti, Lia Mustika Novita Yusmadi, Y Yustina Yustina Zamzam, Zamzam Zulfah Zulfah Zulfarina, Zulfarina