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All Journal Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Reka Lingkungan Syntax Literate: Jurnal Ilmiah Indonesia Indonesian Journal of Multidisciplinary Science JURNAL PENELITIAN DAN KARYA ILMIAH LEMBAGA PENELITIAN UNIVERSITAS TRISAKTI Journal of Materials Exploration and Findings Jurnal Indonesia Sosial Teknologi
Dahlan, Astryd Viandila
Program Studi Teknik Lingkungan, Departemen Teknik Sipil, Fakultas Teknik, Universitas Indonesia
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Life Cycle Assessment of Geothermal Power Technologies for Indonesia’s Energy Transition: A Review of Environmental Hotspots and Optimization Strategies Rajagukguk, Vania Larissa; Dahlan, Astryd Viandila
Indonesian Journal of Multidisciplinary Science Vol. 5 No. 3 (2025): Indonesian Journal of Multidisciplinary Science
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/ijoms.v5i3.1225

Abstract

Indonesia has set a target to achieve Net Zero Emissions (NZE) by 2060 and a 52% renewable energy share by 2030. Geothermal energy, with 29.5 GW potential, is critical, yet environmental performance of technologies remains poorly characterized, hindering sustainable decisions. This systematic review analyzes life cycle assessment (LCA) studies on binary, flash, and dry steam geothermal technologies. Scopus and Google Scholar searches using keywords "geothermal power plant" and "life cycle assessment" yielded 30 studies (2013–2025). Environmental burdens vary by technology, geology, design, and operations. Binary systems face high impacts from drilling, steel construction, and working-fluid leakage (up to 64% of global warming potential). Flash systems show major CO? and H?S emissions, reducible by 78% via abatement or hybrid flash-binary setups. Dry steam plants are dominated by non-condensable gas (NCG) emissions unless hybridized with Enhanced Geothermal Systems (EGS) or Combined Heat and Power (CHP), shifting hotspots to construction. Findings offer Indonesia actionable insights: select cleaner configurations, optimize drilling, deploy emission controls, and prioritize low-global-warming-potential fluids. This synthesis of site-specific LCAs creates a framework identifying hotspots and pathways, supporting evidence-based policies for sustainable geothermal expansion in Indonesia's energy transition.
The Potential Integration of Informal to Formal Workers in Muara Fajar Landfill (TPA) Pekanbaru with the Circular Economy Concept Rizky Syahputra; Gabriel Andari Kristanto; Astryd Viandila Dahlan
Jurnal Indonesia Sosial Teknologi Vol. 6 No. 2 (2025): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v6i2.8930

Abstract

Waste is a serious problem in developing countries due to infrastructure limitations, one of which is the city of Pekanbaru. The existence of the landfill triggered the arrival of informal workers such as scavengers to collect waste as recycled product materials. Most scavengers live below the poverty line, even though scavengers have a role in restraining the waste generation rate in landfills. This study aims to analyze the potential integration of scavengers in the Muara Fajar Landfill Area with formal workers using integrated waste management, "Clean Pekanbaru Movement." The research was conducted using observation methods, interviews, and questionnaires filled out by scavenger and collector respondents in the landfill area. The recycling rate (RR) of the Muara Fajar landfill area is 1.08%, and the average individual RR of 150 scavengers is 0.72%. The proposed integrated waste management concept is the "Clean Pekanbaru Movement," which manages the Muara Fajar landfill area and acts as a recycling industry player. The study results show that the recycling rate at the Muara Fajar landfill only reaches 1.08%, while the average individual scavenger only reaches 0.72%. The Pekanbaru Clean Movement model is proposed as a solution that integrates scavengers into a formal waste management system with regulatory support and the recycling industry. As many as 82% of respondents are willing to participate in this program for a fixed income and better social security. This study concludes that the potential for waste generation because of recyclable materials is still huge, and the potential for integration is very possible at the Muara Fajar Landfill, Pekanbaru. Implementing this program can improve the social welfare of scavengers and reduce the environmental impact due to the open waste disposal system.
Co-Authors Afghani, Akmal Al Della, Sevia Dewi, Shafira Quamila Djoko M Hartono Gabriel Andari Kristanto Gabriel Andari Kristanto GABRIEL ANDARI KRISTANTO Handika, Nuraziz Hilal, Zia Ru`ya Luthfi, Muhammad Rifaldi Mochamad Adhiraga Pratama Muhammad Lian Kautsar Mursidik, Setyo Sarwanto NINDI SEKARSARI Nurlaily, Salma Pratiwi, Siva Yuniar Rahmatika, Iftita Rajagukguk, Vania Larissa Ramandani, Adityas Agung Rinjani, Cholisa Amalia Putri Rizky Syahputra Sjah, Jessica Sudibyo Sudibyo Sukma, Bayu Sukma, Vinda Avri Yeni Ria Wulandari