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All Journal PENDIPA Journal of Science Education CITIZEN: Jurnal Ilmiah Mulitidisiplin Indonesia International Journal of Technology and Education Research Journal of Geosciences and Environmental Studies
Ardyanto, Fakhriyan
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Religion Humanities Astronomy Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Perapuhan Uranium dengan Metode Hydride–Dehydride: Meningkatkan Efisiensi Bahan Bakar Nuklir dalam Mendukung Transisi Energi Sakina, Zafira Naja; Ardyanto, Fakhriyan; Supriyadi, Imam; Santoso, Budi
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.836-843

Abstract

The Hydride–Dehydride (HDH) method is a critical technology in uranium processing, capable of improving the efficiency and quality of nuclear fuel through a more precise embrittlement process compared to conventional techniques. This technology ensures uniform particle size and minimizes material loss during fabrication. This study was conducted using a literature review approach, supported by experimental data obtained during a 2022 internship at the Research Center for Nuclear Fuel Cycle and Radioactive Waste Technology (PRTDBBLNR). The focus of the investigation was the characterization of uranium–molybdenum (U-Mo) alloy before and after the HDH treatment process. The results indicate that heat treatment at 500 °C for 5 hours followed by annealing significantly increases the hardness of the U-Mo alloy. A phase transformation was also observed, indicated by the presence of α-U in all post-treatment samples. Nevertheless, the density of the alloy showed no substantial change. The HDH process successfully produced high-purity U-Mo powder at various molybdenum concentration levels. However, increasing Mo content resulted in lower powder density. The morphology of U-7Mo powder exhibited flake-like shapes with a rough surface, which is favorable for further fabrication in advanced fuel element production. Overall, these findings reinforce the relevance and significant potential of HDH technology in supporting advanced nuclear reactor fuel production and strengthening national nuclear energy security in a sustainable manner.The Hydride–Dehydride (HDH) method represents an important innovation in uranium processing to improve the efficiency and quality of nuclear fuel. This technology enables a more precise embrittlement of uranium compared to conventional methods such as milling and crushing, resulting in more uniform particle size and reduced material loss throughout the process. This study adopts a literature-based approach supported by practical work conducted at the Center for Research on Nuclear Fuel Cycle Technology and Radioactive Waste Management (PRTDBBLNR) in 2022, in order to evaluate the effectiveness of HDH in strengthening nuclear energy security in Indonesia. The analysis shows that HDH improves the microstructural quality of uranium and enhances processing yield by minimizing waste generation. These advantages highlight the high relevance of HDH technology in supporting the development of Generation IV nuclear reactors, which emphasize efficiency and sustainability within the fuel cycle. However, its implementation in Indonesia still faces challenges, particularly in terms of industrial infrastructure readiness, safety regulations, and nuclear material protection. Therefore, strategic policies are required to promote further research and technological investment, as well as strong collaboration between academia, government, and industry. Integrating HDH into the national uranium processing roadmap has the potential to establish this technology as a key pillar in ensuring a sustainable nuclear fuel supply and enhancing Indonesia’s energy security in the future.
Technological Challenges and Solutions in Hydrothermal Vent Energy Development for Indonesia's Energy Resilience Ardyanto, Fakhriyan; Thamrin, Suyono; Widayatno, Rudy Laksmono
International Journal of Technology and Education Research Vol. 3 No. 04 (2025): October - December, International Journal of Technology and Education Research
Publisher : International journal of technology and education research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63922/ijeter.v3i04.2576

Abstract

Indonesia's exceptional geothermal position along the Pacific Ring of Fire presents the nation with an opportunity to develop hydrothermal vent energy as a significant renewable resource, with a potential estimated at 29,000 megawatts. However, despite this promise for energy resilience, formidable technological barriers have prevented the practical implementation of deep-sea thermal systems. This study investigates the primary technological challenges through systematic literature analysis and descriptive research, examining six critical domains: material durability and corrosion resistance, subsea engineering design and equipment reliability, thermal energy extraction and efficiency, infrastructure deployment and maintenance, ecosystem protection, and regulatory frameworks. By synthesizing findings from academic research, government reports, and industry expertise, the research reveals both substantial obstacles and emerging solutions. At the same time, challenges are significant, encompassing material degradation, system reliability, thermodynamic efficiency, and deep-sea deployment. Practical pathways forward exist through the use of advanced materials, innovative engineering, rigorous testing, and adaptive environmental management. The study proposes a phased implementation strategy that progresses from research and pilot demonstrations through technology refinement to commercial deployment. This work offers essential guidance for policymakers, engineers, and energy security specialists seeking to harness Indonesia's hydrothermal potential while maintaining environmental sustainability, operational reliability, and advancing national energy resilience.
Analysis of Human Resources Readiness in Supporting Energy Transition for National Energy Security Ardyanto, Fakhriyan; Thamrin, Suyono; Laksmono, Rudy
Journal of Geosciences and Environmental Studies Vol. 2 No. 3 (2025): November
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53697/ijgaes.v2i3.4936

Abstract

The transition to renewable energy requires competent human resources (HR) to achieve national energy security. This study examines Indonesia's HR readiness for the energy transition through an integrated perspective on energy security and the defense science philosophy. This systematic literature review analyzed 15 high-quality sources (from 30 initially identified, 2020-2025) to examine human resources readiness for Indonesia's energy transition. Using a PRISMA-aligned methodology, 13 key studies (11 journal articles and two institutional reports) were selected for detailed analysis, with two additional sources supporting the development of the thematic framework. The analysis integrates perspectives on energy security, defense science, and defense anthropology to identify HR readiness challenges, with particular emphasis on regional disparities. Despite Indonesia's renewable energy target of 17%-19% for 2025 (revised from an initial target of 23%), current realization remains at only 13.1% (2024), revealing critical competency gaps in the human resources sector. Key findings include: Indonesia ranks sixth globally for energy-sector emissions (691.97 million tons of CO2 in 2022); significant geographic disparities exist, with Java having 204 educational institutions for energy training, compared to only 3 in remote provinces. Required competencies encompass multidisciplinary technical skills, adaptability to technology, and security-aware soft skills. Policy recommendations include energy security-based training programs, competency certification standards, the establishment of an HR energy security council, and the integration of defense anthropology principles into HR development. This research provides a strategic understanding of HR readiness requirements essential for supporting Indonesia's equitable energy transition toward sustainable national energy security.
Strategi Optimalisasi Anggaran Pertahanan di Tengah Keterbatasan APBN Indonesia: Pendekatan Multi-Dimensi Untuk Pencapaian Minimum Essential Force Ardyanto, Fakhriyan; Thamrin, Suyono; Laksmono, Rudy
Citizen : Jurnal Ilmiah Multidisiplin Indonesia Vol. 5 No. 5 (2025): CITIZEN: Jurnal Ilmiah Multidisiplin Indonesia
Publisher : DAS Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53866/jimi.v5i5.1026

Abstract

Penelitian ini menganalisis strategi optimalisasi anggaran pertahanan Indonesia dalam menghadapi keterbatasan fiskal APBN untuk mencapai target Minimum Essential Force (MEF). Dengan menggunakan pendekatan kualitatif melalui desk research dan analisis data sekunder periode 2020-2025, penelitian ini mengidentifikasi tantangan struktural dalam alokasi anggaran pertahanan yang masih di bawah standar internasional 1,5-2% PDB. Hasil penelitian menunjukkan bahwa pencapaian MEF yang saat ini hanya 65,06% dipengaruhi oleh ketidakseimbangan komposisi belanja dimana 51% dialokasikan untuk belanja pegawai dan hanya 40% untuk modernisasi alutsista. Dinamika geopolitik global yang semakin kompleks, mulai dari konflik Rusia-Ukraina hingga eskalasi ketegangan di Laut China Selatan, menuntut Indonesia untuk memperkuat kapabilitas pertahanan meskipun dalam keterbatasan fiskal. Strategi optimalisasi yang direkomendasikan meliputi: (1) restrukturisasi komposisi belanja dengan rasio 60:40 untuk investasi versus operasional; (2) implementasi komponen cadangan untuk mengurangi biaya personel; (3) penguatan industri pertahanan domestik melalui transfer teknologi; dan (4) penerapan konsep smart defense dengan cost-sharing regional. Implikasi kebijakan menunjukkan bahwa dengan menerapkan strategi ini secara konsisten, Indonesia dapat mencapai postur pertahanan yang kuat tanpa membebani kondisi fiskal negara sambil mendorong pertumbuhan ekonomi melalui multiplier effect industri pertahanan domestik sebesar 1,5-2 kali lipat dari investasi awal. Penelitian ini berkontribusi pada pengembangan teori ekonomi pertahanan dengan mengintegrasikan prinsip efisiensi alokasi sumber daya dalam konteks keterbatasan fiskal negara berkembang.
Co-Authors Dwi Budi Santoso Imam Supriyadi Laksmono, Rudy Sakina, Zafira Naja Thamrin, Suyono Widayatno, Rudy Laksmono