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All Journal Jurnal Teknologi Dan Industri Pangan Ulul Albab: Jurnal Studi dan Penelitian Hukum Islam Teknotan: Jurnal Industri Teknologi Pertanian Jurnal Peluang Urania Jurnal Ilmiah Daur Bahan Bakar Nuklir AL KAUNIYAH Al-'Adalah JURNAL ILMU PERTANIAN Sinergi Jurnal Dinamika Penelitian Industri Widyariset Al-Ihkam: Jurnal Hukum dan Pranata Sosial Asy-Syir'ah: Jurnal Ilmu Syari'ah dan Hukum SAMARAH: Jurnal Hukum Keluarga dan Hukum Islam Aqlam: Journal of Islam and Plurality Indonesian Journal of Chemistry JURNAL PHOTON Journal TEPAT: Teknologi Terapan untuk Pengabdian Masyarakat El-Usrah: Jurnal Hukum Keluarga JUSTISI Al-Syakhsiyyah : Journal of Law and Family Studies Jurnal Darma Agung Widyariset Teknomekanik Interdisciplinary Social Studies Automotive Experiences Journal of Social Research Kunuz: Journal of Islamic Banking and Finance JURNAL POLI-TEKNOLOGI SPECTRUM: Journal of Gender and Children Studies Makara Journal of Technology Indonesian Journal of Shariah and Justice Al-Istinbath: Jurnal Hukum Islam Journal of Engineering Researcher and Lecturer Jurnal Rekayasa Proses Antmind Review: Journal of Sharia and Legal Ethics
Nasruddin
Mechanical Engineering Department, Faculty Of Engineering University Of Indonesia, Depok 16424, Indonesia
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Use of activated carbon from NiO modified Polyethylene Terephthalate plastic bottle waste to optimize natural gas storage in Adsorbed Natural Gas (ANG) technology Yuliusman Yuliusman; Athaya Khanza Kamilia; Anggi Nugroho Utomo; Nasruddin Nasruddin
SINERGI Vol. 30 No. 1 (2026)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2026.1.022

Abstract

Storage and transportation of natural gas are major challenges in optimizing energy use. To overcome the challenges, Adsorbed Natural Gas (ANG) technology offers a promising alternative for increasing storage capacity at lower pressures. Therefore, this study aims to explore the efficiency of waste polyethylene terephthalate (PET) bottles converted into activated carbon through pre-treatment, carbonization, chemical activation with 4 M KOH, and physical activation using N₂ flow. Modification of activated carbon was carried out using NiO metal impregnation at concentrations of 0.5%, 1%, and 2% to enhance adsorption performance. The results of characterization using iodine number, scanning electron microscopy (SEM), and energy dispersive X-ray spectroscopy (EDS) showed that the 2% NiO-impregnated sample had the highest surface area of 997.65 m²/g. Natural gas adsorption and desorption testing showed that this material achieved the maximum storage capacity of 138.9 g/kg at 28°C and 9 bar, with superior performance compared to non-impregnated samples and several previously reported ANG adsorbents. These results showed that combining NiO modification with KOH-activated PET waste improved methane uptake beyond commercial activated carbons and provided an environmentally sustainable solution for plastic waste valorization. 
Community Structure of Microalgae in Urban Small Lakes (Babakan, Kenanga, and Puspa) Under Anthropogenic Noise Variation: Implications for Biofuel Raw Material Rubiantin Mesha Nauli Tambunan; Nining Betawati Prihantini; Santoso Soekirno; Nasruddin
Al-Kauniyah: Jurnal Biologi Vol. 19 No. 2 (2026): AL-KAUNIYAH: JURNAL BIOLOGI
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/kauniyah.v19i2.47095

Abstract

The global energy transition relies on renewable solutions such as microalgae. However, the diversity of microalgae in urban freshwaters, especially how anthropogenic noise affects them, remains unexplored. Our study explores three small lakes in Greater Jakarta—Babakan (South Jakarta), Puspa, and Kenanga (Universitas Indonesia, Depok, West Java)—that are becoming more exposed to anthropogenic noise, an evolving stressor with uncertain ecological effects on microalgae. Microalgae were identified from water samples collected from Babakan, Kenanga, and Puspa lakes, which had sound levels of -69.37 dB, -81.49 dB, and -99.43 dB, respectively. The results show that Kenanga Small Lake has the highest diversity (H' 2.44), while Puspa Small Lake has the highest dominance (D = 0.16) and evenness (E = 0.88). The "silent" Puspa Lake has the highest lipid percentage, which was 51.66%. While all environmental factors are interconnected to affect microalgal community structure and lipid percentage, these data point to a possible link between lower noise levels and better lipid yields, implying that indigenous microalgae from calmer urban contexts could be a feasible source of sustainable biofuel production.
Comparison of NaOH and Na2CO3 as absorbents for CO2 absorption in carbon capture and storage technology Fadhilah Ikhsan Dinul; Hendri Nurdin; Dieter Rahmadiawan; Nasruddin; Imtiaz Ali Laghari; Tarig Elshaarani
Journal of Engineering Researcher and Lecturer Vol. 2 No. 1 (2023): Regular Issue
Publisher : Researcher and Lecturer Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58712/jerel.v2i1.23

Abstract

CO2 gas is a greenhouse gas that causes global warming. Greenhouse gases are gases in the atmosphere that can absorb and reflect infrared radiation from the Earth's surface. Currently, the energy demand still depends on fossil fuels. On the other hand, CO2 emissions from burning fossil fuels continue to increase and contribute as greenhouse gases to the atmosphere. CO2 capture is an effort to reduce the burden of CO2 emissions into the atmosphere and is part of the Carbon, Capture, and Storage (CCS) protocol. The CO2 absorption process applied in the chemical industry is one of the CO2 absorptions using NaOH and Na2CO3 solutions as absorbents. This research aims to determine the effect of absorbent flow rate on the percentage of absorbed CO2. The method used in this research is the SLR (Systematic Literature Review) method to identify all available research. The absorbent flow rate variations used are 1 liter/minute, 1.5 liters/minute, 2 liters/minute, 2.5 liters/minute, and 3 liters/minute. The absorption process using NaOH absorbent is capable of absorbing CO2 gas with a maximum absorption of 95.52% and a minimum of 79.14%. Meanwhile, in the Na2CO3 absorbent, it is capable of absorbing CO2 gas with a maximum amount absorbed of 72.45% and a minimum of 35.47%.
Co-Authors A. Haryono A. Lolo Sinrang A A. Mahendra Adawiah Adawiah Ade Kurniawan Agustino Zulys Ahmad Rajafi Ainun Mardiyah Lubis Alia Salsabila Farhani Andi Taufan Anggi Nugroho Utomo Annisa Putri Bachtiar Ardi Yuliono Ardianto Ardianto Arfie I. Firmansyah Aries Subiantoro Arifin Istavara Askar Adika Agama Aswin Aswin Athaya Khanza Kamilia Auzani, Ahmad Syihan Awaludin Martin Bagio Budiardjo Bambang Suryawan Basuni Hamzah Belyamin Belyamin Bilalu, Naskur Bisman Perangin – angin Botutihe, Magfirah Darwin Rio Budi Syaka Dieter Rahmadiawan Djabli, Irfan Edi Gunawan Engkos Achmad Kosasih Engkos Kosasih Engkos Kosasih Entuu, Rayen Riski P Erman Taer Evra Willya Evra, Willya Fadhilah Ikhsan Dinul Feri Yusivar Fernando, Henky Gatot Priyanto Gonibala, Pedro Muhammad Arfi Hamza Khamis Kombo Hamza Khamis Kombo Harinaldi . Hartawan . harun, nurlaila Hasan, Faradila Hendra Adhi Pratama Hendra Hermawan Ibrahim, Fathum Ilahude, Ridwan Imriyanti . Imtiaz Ali Laghari Indra Mahlia Indra Mahlia, Indra Jamal, Ridwan Kartoredjo, Ireniza Kosasih, Engkos Ahmad Larasati, Yuniar Galuh Lontoh, Fawzy Moro M. Idrus Alhamid Madsuha, Alfian Ferdiansyah Mahlia, Indra Teuku Meurah Makka, Misbahul Munir Mamonto, Feraningsih Marzon Maisi Mash'ud, Imam Masrur, Masrur Mokhtar Mokhtar Muh. Nurhalim A Muhamad Yulianto Muhammad Al-Hamid Muhammad Alhamid Muhammad Alhamid Muhammad Alhamid, Muhammad Muhammad Idrus Alhamid, Muhammad Idrus Muhammad Saleh Mursyid, Salma Nining Betawati Prihantini Nur Azizah Nur Khotimah Nurdin Hendri Nurlaila Isima Olii, Nurul Fauziah Pratiwi Mushar Rahmat Subarkah1 Ratiko Ratiko Ridho Irwansyah Ridwan, Hafidz Abrar Rio Ricardi Rio Ricardi, Rio Risman Affandy Rubiantin Mesha Nauli Tambunan Santoso Soekirno Sarib, Suprijati Subeitan, Syahrul Mubarak sudirman . Tadore, Nurulhimnin Tarig Elshaarani Tubagus, Munir Tumiwa, Anisa Jihan Usup, Djamila Willya , Evra Yasin, Yasin Yulianto Sulistyo Nugroho Yuliusman Yuliusman Yusuf, Aisyiyah Mumtazah N.