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All Journal Jurnal Penelitian Saintek Jurnal Ilmiah Farmasi EKSAKTA: Journal of Sciences and Data Analysis Jurnal Teknoin Reaktor Jurnal Ilmu Dasar Jurnal technoscientia Journal of Mathematical and Fundamental Sciences Science and Technology Indonesia Indonesian Journal of Chemistry Molekul: Jurnal Ilmiah Kimia ASEAN Journal of Chemical Engineering Acta Chimica Asiana JURNAL TEKNOLOGI TECHNOSCIENTIA IJCR (Indonesian Journal of Chemical Research) Jurnal Pijar MIPA Khazanah: Jurnal Mahasiswa Bulletin of Chemical Reaction Engineering & Catalysis
Is Fatimah
Department Of Chemistry, Islamic University Of Indonesia, Jl. Kaliurang KM 14.5 Sleman Yogyakarta 55584
Religion Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences

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Evaluation of Photocatalytic and Catalytic Activity of Biochar/Nickel for Laboratory Wastewater Treatment Fatimah, Is; Solekah; Nurlaela, Nunung; Ahmad, Zeeshan; Rizky, Indah Tri; Kamari, Azlan; Sagadevan, Suresh; Doong, Ruey-an
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.2026.11.2.579-595

Abstract

In this investigation, an exploration on the use of low-cost effective methods for laboratory wastewater treatment using magnetic biochar has been conducted. Magnetic biochar derived from orange peel waste loaded with nickel nanoparticles (Biochar/Ni) was prepared by pyrolysis procedure of orange peel waste with nickel chloride as nickel precursor at 600 oC for 2 h. X-ray diffraction (XRD), scanning electron microscopy-energy dispersive x-ray (SEM-EDX), Raman spectroscopy, and vibrating sample magnetometer (VSM) were employed for identify the feature of Biochar/Ni. Photocatalytic, photocatalytic oxidation, and microwave-assisted catalytic peroxidation were the treatment procedures employed to evaluate the activity of Biochar/Ni. The results showed the dispersed nickel nanoparticles in the composite are photocatalytic system to produce radicals for decolorizing laboratory wastewater as proven by accelerated oxidation by the addition of H2O2 and S2O82- as oxidants, and inhibition by the addition of radicals and superoxide radical scavengers. In addition, microwave-irradiation intensified catalytic peroxidation with shorter time and higher decolorization efficiency. The greenness evaluation of the process using AGREE software addressed the microwave-assisted catalytic peroxidation as the most efficient procedure utilizing Biochar/Ni for being developed and implemented to organic contaminated wastewater.
Research Trends on Cobalt-Doped Hydroxyapatite: Bibliometric Analysis and Emerging Applications: Research Trends on Cobalt-Doped Hydroxyapatite: Bibliometric Analysis and Emerging Applications Ahmad, Zeeshan; Nisa, Mehru; Fatimah, Is
INDONESIAN JOURNAL OF CHEMICAL RESEARCH Vol. 11 No. 1 (2026): Volume 11, ISSUE 1, 2026
Publisher : Chemistry Department, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ijcr.vol11.iss1.art3

Abstract

This bibliometric review is a 98-article (2015-2025) review of cobalt-doped hydroxyapatite (Co-HAP) that emphasizes the trends in catalysis, biomedicine, and environmental remediation. The study is based on Scopus data and bibliometric tools to find out the key research findings, the most active contributors, and the most popular journals. Commonly reported methods of characterization include XRD and SEM. The results highlight the growing global cooperation and the continuous growth in publications, which indicates the continued presence of innovation and interdisciplinary applicability of Co-HAP studies.
Co-Authors - Rostyanesia Ahmad Said Ahmad Said Allwar Allwar Amri Yahya Apriliani, Gusti Dwi Arif Hidayat Arjek, Orien Claudia Handayani Arvina Adil Asep Abdurrahman Bambang Hernawan Nugroho Daud, Muhammad Fauzi Dian Riyanti Diyan Kurniaysih Doong, Ruey-an Dwi Gusti Apriliani Dwi Nur Halimah Dwiarso Rubianto Dwiarso Rubiyanto Dwiki Ramanda, Galih Eko Sugiharto Endah Desiyani Faiha Ulfiyani Zaenuri Farah Liyana Bohari Fauziyyah, Anas Zahra Fethi Kooli Fitriani Harjati Galih Dwiki Ramanda Getu Kassegn Weldegebrieal Getu Kassegn Weldegebrieal Habibi Hidayat Habibi Hidayat, Habibi Halimah, Dwi Nur Haneef, Mehru Nisha Muhamad Hasna' Azizah Azzahra' Hikmah Fatmawati Imam Sahroni Iqmal Tahir Iwan Sumarlan J. Anita Lett Jaka Nugraha Kamalia Kamalia Kamari, Azlan Karna Wijaya Karna Wijaya Karna Wijaya Karna Wijaya Karna Wijaya Karna Wijaya Karna Wijaya Khoirul Himmi Setyawan Khoirunisa khoirunisa Lolita Narulita Doewandono Minh-Vien Le Mohd Rafie Bin Johan Mohd Rafie Johan Muchammad Tamyiz Nanda Candra Kartika Narsito Narsito Narsito Narsito Narsito Nindia Mega Kurniawati Nisa, Mehru Nisha, Mehru Noor Fitri Nur Afisa Lintang Mutiara Nur Aishah Mohd Noor Nur Nadia Dzulkifli Nurain Adam Nurcahyo Iman Prakoso Nurillahi, Rico Nurlaela, Nunung Oh, Won-Chun Pertiwi, Lita Dewi Prihatiningsih Prihatiningsih, Prihatiningsih Prihatiningsih, Elisa Putwi Widya Citradewi Rahmania Audita Rahmawati, Cicik Revita Anggreyani Rico Nurillahi Rico Nurillahi Rifaldi Lutfi Fahmi Riyanto Riyanto Rizky, Indah Tri Rohini Pujiarti Rudatiningsih Rudatiningsih Ruey-an Doong Sagadevan, Suresh Septian Perwira Yudha Sesy Ardyanti Shaobin Wang Sheikh Ahmad Izaddin Sheikh Mohd Ghazali Sheikh Ahmad Izaddin Sheikh Mohd Ghazali Solekah Solhe F. Alshahateet Sri Sudiono Suci Widianingsih Suresh Sagadevan Suresh Sagadevan Suresh Sagadevan Suresh Sagadevan Suresh Sagadevan Tesha Yuliarni Thorikul Huda Titus Chinedu Egbosiuba Torikul Huda Totok Eka Suharto Tuty Alawiyah Uun Ayil Hasanah Uun Ayyil Hasanah Wellyana Puspitasari Won-Chun Oh Yanti , Ika Yunani, Yuyun Yusak Maryunianta Yuyun Yunani Nurkholifah Zakiyah, Zahrah Nur Zeeshan Ahmad