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All Journal Benefit: Jurnal Manajemen dan Bisnis Journal of Natural Sciences and Mathematics Research Jurnal Dakwah: Media Komunikasi dan Dakwah QUANTUM: Jurnal Inovasi Pendidikan Sains Science and Technology Indonesia Scholaria: Jurnal Pendidikan dan Kebudayaan Palapa: Jurnal Study Keislaman dan Ilmu Pendidikan Journal of Management Review Teosofia: Indonesian Journal of Islamic Mysticism TRIHAYU: Jurnal Pendidikan Ke-SD-an Jurnal Penelitian Pendidikan IPA (JPPIPA) SYAMIL: Jurnal Pendidikan Agama Islam (Journal of Islamic Education) Indonesian Journal of Chemistry PENDIPA Journal of Science Education Justek : Jurnal Sains Dan Teknologi Pendekar : Jurnal Pendidikan Berkarakter Jurnal Basicedu AL-TANZIM : JURNAL MANAJEMEN PENDIDIKAN ISLAM International Journal for Educational and Vocational Studies SCAFFOLDING: Jurnal Pendidikan Islam dan Multikulturalisme Science Education and Application Journal Jurnal Ilmiah Profesi Pendidikan Jurnal Abdi Insani Edunesia : jurnal Ilmiah Pendidikan Optika : Jurnal Pendidikan Fisika Eduproxima : Jurnal Ilmiah Pendidikan IPA Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran Bima Abdi: Jurnal Pengabdian Masyarakat Pillar of Physics Education : Jurnal Berkala Ilmiah Pendidikan Fisika Shautuna: Jurnal Ilmiah Mahasiswa Perbandingan Mazhab CEBONG Journal INTERNATIONAL JOURNAL OF EDUCATION, INFORMATION TECHNOLOGY, AND OTHERS PSEJ (Pancasakti Science Education Journal) Fikrah: Jurnal Ilmu Aqidah dan Studi Keagamaan SYAMIL: JURNAL PENDIDIKAN AGAMA ISLAM (JOURNAL OF ISLAMIC EDUCATION) Journal of Educational Sciences Jurnal Basicedu Prosiding University Research Colloquium Jurnal Inovasi Pendidikan dan Teknologi Informasi (JIPTI) Dedication : Jurnal Pengabdian Masyarakat Community Development: Jurnal Pengembangan Masyarakat Islam Amal Ilmiah: Jurnal Pengabdian Kepada Masyarakat Bulletin of Chemical Reaction Engineering & Catalysis Journal of Environment and Sustainability Education Indonesian Journal of Material Research Amerta Jurnal Pendidikan MIPA Jurnal Ilmiah Pendidikan Citra Bakti
Nur Ahmad, Nur
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Journal : Science and Technology Indonesia

 1 
ZnAl LDH-based Derivative Materials as Photocatalysts: Synthesis, Characterization, and Catalytic Performance in Tetracycline Degradation Rohmatullaili; Ahmad, Nur; Erviana, Desti; Zultriana; Savira, Dila; Mohadi, Risfidian; Lesbani, Aldes
Science and Technology Indonesia Vol. 9 No. 2 (2024): April
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2024.9.2.457-469

Abstract

Layered Double Hydroxide (LDH)-derived materials exhibited different characteristics from LDH precursors. The conversion of ZnAl LDH into its derivative material has been carried out to find the best catalyst for TC degradation. ZnAl (LDH)-based catalysts in this study have been effectively synthesized using coprecipitation, calcination, and restacking procedures. ZnAl Layered Double Oxide (LDO) is derived from the calcination of ZnAl LDH at 500°C. ZnAl LDH was also modified by adding Garcinia mangostana pericarp extract (GME). XRD, FT-IR, UV-DRS, and SEM-EDX were used to investigate the synthesized catalyst. ZnAl LDH exhibited the typical LDH FT-IR spectra, whereas ZnAl LDO showed metal oxide-like spectra, and the ZnAl-GME composite displayed the combination spectra of precursor material. The ZnAl LDH XRD diffraction pattern exhibited the attributes of a layered material, whereas the other three catalysts did not. Calcination destroyed the layered structure of ZnAl LDH, whereas the addition of GME to LDH and LDO generated a single-layered composite. The modified ZnAl-GME composite showed a decrease in both particle size and bandgap energy. At an ideal pH of 5, the synthesized catalyst was used in a batch system photodegradation of 5 mg/L Tetracycline (TC), employing solar light irradiation. ZnAl LDO holds the most significant catalytic activity and structural stability through the fifth regeneration cycle, degraded TC up to 100% in 90 minutes.
Polyoxometalate-Assisted Layered Double Hydroxide for Facile Photocatalytic Methylene Blue and Malachite Green Hanifah, Yulizah; Ahmad, Nur
Science and Technology Indonesia Vol. 10 No. 4 (2025): October
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2025.10.4.1312-1321

Abstract

To increase the photodegradation activities of polyoxometalate, the co-precipitation approach has been used to prepare intercalated polyoxometalate compounds with ZnAl-LDH on methylene blue and malachite green dye. It is strongly advised to use the preparation catalyst LDH with polyoxometalate to create a successful method for anionic dye reduction. This study demonstrated the effectiveness environmentally method for intercalating ZnAl_LDH with polyoxometalate compound by employing methylene blu and malachite green dye as an organic pollutant. Additionally, the results showed that for pH = 7 for ZnAl- SiW12O40 on degraded malachite green, and the highest researching 94% on degradation methylene blue on ZnAl-PW12O40. Due to the rapid dissociation of the procion red reduction from the polyoxometalate photocatalytic activities, it was thought to have significant co-catalyst effects.
The Influence of Milling on the Structural and Morphological Properties of Waste-Based Active Carbon from Rubber Seeds Using High Energy Milling (HEM) Method Arsyad, Fitri Suryani; Aprilianda; Aulia; Akmal Johan; Ihsan Alfikro; Amiruddin Supu; Ahmad, Nur; Andrivo Rusydi
Science and Technology Indonesia Vol. 11 No. 2 (2026): April
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2026.11.2.621-631

Abstract

The high-energy milling (HEM) synthesis method has produced activated carbon powder from rubber ore shell waste. The activated carbon was prepared using a chemical method with activation temperatures varying between 400, 500, and 600°C. Temperature optimization resulted in activated carbon with a maximum carbon content at 600°C. The activated carbon was then milled for various times: 0, 30, 60, and 90 minutes. The crystallinity and surface morphology of the samples were then confirmed using an X-ray diffractometer (XRD) and scanning electron microscope (SEM) characterization. Based on the XRD graph, the percentage of structural regularity, or degree of crystallinity, of the activated carbon tended to decrease from 18.17% without milling treatment to 17.52% at 30 minutes of milling, 17.45% at 60 minutes of milling, and 17.35% at 90 minutes of milling. SEM images also show a decrease in the average pore diameter from approximately 0.45 µm to 0.20 µm with a more homogeneous intraparticle morphology structure when the milling time is increased from 30 minutes to 90 minutes. This study demonstrates the potential of rubber seed shell waste for processing into activated carbon. The HEM method can significantly reduce the grain size of activated carbon and increase its surface area and reactivity, making it more effective in applications as an adsorbent and filter.
Co-Authors Adi Mansah Adiba, Thoriq Ahmad, Aunillah Ainy, Hanik Qurratul Albertus Djoko Lesmono, Albertus Djoko Aldes Lesbani Alfina S Amiruddin Supu Amri Amri Amri Amrullah, Jadnika Dwi Rakhmawan Anasom, Anasom Andrivo Rusydi Aprilia, Kartini Aprilianda Arsyad, Fitri Suryani Aulia AWANG DHARMAWAN, AWANG Azizah, Nabilah Nur Didik Hermawan, Didik Dila, Anisa Ratna Dwi Yuliati, Yuli Erviana, Desti Fakhrurazi, Fakhrurazi Farhan Zulfikar, Ahmad Fathimah, Zuni Maulida Febriani, Eke Windiar Ferry Budi Prasetya Firdha Yusmar Fithrianto, Novan Fortuna, Teeusa Febby Fuadina, Zakiya Nur Hadi Kusuma, Hamdan Hanifah, Yulizah Hasja Paluta Utami, Hasja Paluta Hidayat, Aprilia Lulita Nadya I Ketut Mahardika Idha Royani Ihsan Alfikro Indrawati Indrawati Indrawati Jailani, Muhammad Taufiq Bin Mohd Jumaniar, Jamiatul Karwanto, Karwanto Kholis, Moh. Nur Khuddus, Lutfhi Abdil Khumairoh, Nurista Yuliatul Kussudyarsana Kussudyarsana Laela, Rizka Amalia Lutfi Saksono, Lutfi Mahbubah, Isna Nikmatul Mardiyanto Mardiyanto Marhestian, Sherin Marlan, Abd Rahman Maspiyah Maspiyah MIFTAKHUL JANNAH Mufid Andrianata Muliana, Siti Mulkan Habibi Muna, Fitria Nada, Rafa Nafis, Umi Zakiatun Negara, Satria Putra Jaya Niam, Muhammad Yusrun Novia Restu Windayani, Novia Restu Nurcahyati, Ai Nurkhasanah Nurkhasanah Nurul Hidayati Nusaibah Nusaibah Pertiwi, Salsabiela Pramudya Dwi Aristya Putra Pratama, Farandika Nanda Putri, Bunga Indah Putri, Dewi Ramandani Rahmadani, Vivi Rahmadhoni, Novita Kusuma Rahmani, Tara Puri Ducha Rhischa Assabet Shilla, Rhischa Assabet Ridlo, Zainur Rasyid Rini, Norma Puspa Risfidian Mohadi RISTIAWAN, BAYU Rizkika, Maulidiya Rizky, Dyah Astiari Rofiq Faudy Akbar Rohmatullaili Rohmatullaili, Rohmatullaili Roikhan Mochamad Aziz, Roikhan Mochamad Rusdianto Rusdianto Rusdianto, Rusdianto Safitri, Erica Meilia Saputri, Ginanjar Zukhruf Sari, Devi Nur Indah Sari, Rika Sumita Wimanda Savira, Dila Sholahudin, M. Soedewo, Ery Sri Rejeki Dwi Astuti Sri Wahyuni Sugihartoko, Sugihartoko Suharsono, Judi Supeno Supeno Suroiyya, Serin Himatus Sutarto Sutarto Tiastutik, Fuji ULIN NUHA ULIN NUHA Ulin Nuha, Ulin Verawati Watson, Lee James Wibiyan, Sahrul Wibowo, Satrio Bayu Widayanto, Mutinda Wijaya, Alfan Yuniarti, Elmi Zultriana