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All Journal Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Ar Ro'is Mandalika (Armada)
Nainggolan, Denny Hendrik
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Religion Decision Sciences, Operations Research & Management Education Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering

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Integrated Technical, Economic, and Environmental Optimization of Solar-Based Green Hydrogen Production Nainggolan, Denny Hendrik
Jurnal Ar Ro'is Mandalika (Armada) Vol. 6 No. 3 (2026): JURNAL AR RO'IS MANDALIKA (ARMADA)
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59613/armada.v6i3.6131

Abstract

The increasing urgency of climate change mitigation and the global transition toward sustainable energy systems have accelerated interest in green hydrogen as a clean energy carrier. Green hydrogen produced through water electrolysis powered by solar energy offers a promising pathway to decarbonize industrial, transportation, and energy storage sectors. However, challenges related to energy conversion efficiency, production cost, and environmental sustainability remain major barriers to large-scale deployment. This study aims to analyze and optimize green hydrogen production from solar-powered water electrolysis by integrating technical, economic, and environmental perspectives. The research employs a qualitative literature review method, synthesizing peer-reviewed studies published between 2015 and 2025. Data were collected through a systematic review process following the PRISMA framework and analyzed using thematic content analysis. The findings indicate that technical optimization through high-efficiency photovoltaic systems, advanced electrocatalysts, and system integration can significantly improve solar-to-hydrogen efficiency. Economic analyses reveal that reductions in photovoltaic and electrolyzer costs, optimal system sizing, and strategic site selection are key to lowering the levelized cost of hydrogen. Environmentally, life cycle assessments demonstrate substantial greenhouse gas emission reductions compared to fossil-based hydrogen pathways. An integrative optimization approach is essential to ensure balanced performance, cost-effectiveness, and sustainability.
Bioplastik Alginat-Karagenan sebagai Substitusi Material Petrokimia dalam Industri Kemasan Nainggolan, Denny Hendrik
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 1 (2026): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i1.55497

Abstract

The escalating buildup of petrochemical based plastic waste has intensified efforts to develop sustainable bioplastics derived from renewable materials. Accordingly, this research investigates how variations in carrageenan content influence the physical and mechanical characteristics of alginate carrageenan composite bioplastics formulated with glycerol as a plasticizer. Alginate was extracted from Sargassum sp. and carrageenan from Kappaphycus alvarezii. Bioplastics were prepared using carrageenan concentrations ranging from 1.5 to 3.5 grams and characterized for tensile strength, elongation, thickness, water resistance, biodegradability, and opacity. The results indicate that carrageenan concentration significantly affects tensile strength, elongation, thickness, biodegradability, and opacity, while water resistance is not significantly influenced. The optimal formulation was obtained at a carrageenan concentration of 1.5 grams, complying with Japanese Industrial Standard and SNI 7188.7:2016. Further studies are recommended to incorporate additional materials to improve water resistance and functional performance of the bioplastics. 
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