Life cycle assessment of integrated microalgae oil production in Bojongsoang Wastewater Treatment Plant, Indonesia

This study aims to determine the eco-friendliness of microalgae-based renewable energy production in several scenarios based on life cycle assessment (LCA). The LCA provides critical data for sustainable decision-making and energy requirement analysis, including net energy ratio (NER) and cumulative...

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Veröffentlicht in:Environmental science and pollution research international 2024-01, Vol.31 (5), p.7902-7933
Hauptverfasser: Kurniawan, Koko Iwan Agus, Putra, Agusta Samodra, Ishizaki, Riaru, Rani, Devitra Saka, Rahmah, Devi Maulida, Al Husna, Shabrina Nida, Ahamed, Tofael, Noguchi, Ryozo
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container_issue 5
container_start_page 7902
container_title Environmental science and pollution research international
container_volume 31
creator Kurniawan, Koko Iwan Agus
Putra, Agusta Samodra
Ishizaki, Riaru
Rani, Devitra Saka
Rahmah, Devi Maulida
Al Husna, Shabrina Nida
Ahamed, Tofael
Noguchi, Ryozo
description This study aims to determine the eco-friendliness of microalgae-based renewable energy production in several scenarios based on life cycle assessment (LCA). The LCA provides critical data for sustainable decision-making and energy requirement analysis, including net energy ratio (NER) and cumulative energy demand (CED). The Centrum voor Milieuwetenschappen Leiden (CML) IA-Baseline was used on environmental impact assessment method by SimaPro v9.3.0.3® software and energy analysis of biofuel production using native polyculture microalgae biomass in municipal wastewater treatment plants (WWTP) Bojongsoang, Bandung, Indonesia. The study was analyzed under three scenarios: (1) the current scenario; (2) the algae scenario without waste heat and carbon dioxide (CO 2 ); and (3) the algae scenario with waste heat and carbon dioxide (CO 2 ). Waste heat and CO 2 were obtained from an industrial zone near the WWTP. The results disclosed that the microalgae scenario with waste heat and CO 2 utilization is the most promising scenario with the lowest environmental impact (− 0.139 kg CO 2 eq/MJ), positive energy balance of 1.23 MJ/m 3 wastewater (NER > 1), and lower CED value across various impact categories. It indicates that utilizing the waste heat and CO 2 has a positive impact on energy efficiency. Based on the environmental impact, NER and CED values, this study suggests that the microalgae scenario with waste heat and CO 2 is more feasible and sustainable to adopt and could be implemented at the Bojongsoang WWTP.
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subjects Algae
Aquatic microorganisms
Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Biofuels
biomass
Carbon dioxide
computer software
Decision analysis
Decision making
Earth and Environmental Science
Ecotoxicology
Energy
Energy balance
Energy demand
Energy efficiency
Environment
environmental assessment
Environmental Chemistry
Environmental Health
Environmental impact
Environmental impact assessment
fuel production
Heat
Indonesia
Life cycle analysis
Life cycle assessment
Life cycles
Microalgae
Municipal wastewater
oils
Polyculture
Renewable energy
renewable energy sources
Research Article
Waste heat
Waste heat recovery
Waste Water Technology
Wastewater treatment
Wastewater treatment plants
Water Management
Water Pollution Control
Water treatment
title Life cycle assessment of integrated microalgae oil production in Bojongsoang Wastewater Treatment Plant, Indonesia
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