| 研究実績の概要 |
Hydrogen, with its clean combustion, high energy density, and versatile production from various primary sources, is a promising energy carrier. Current hydrogen production, although cost-effective, relies on fossil fuels, making it nonviable option. By utilizing acidic hot springs and aluminum wastes for local utilization, this study presented a cost-effective method for renewable hydrogen production, as determined by techno-economic assessment. Additionally, the study extended a scheme for REE extraction and recovery through dissolution and carbonation experiments involving the acidic springs and industrial wastes, providing additional benefits for valuable metal recovery, appropriate waste handling, and innovative CO2 solution.
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