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Solar-enhanced lithium extraction from brines: strategies and applications
Shijie Xing1, Jie Li1, Haifeng Gao1
1Engineering Research Center of Seawater Utilization Technology of Ministry of Education, Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China. zhangpanpan@hebut.edu.cn.
Solar-enhanced lithium extraction (SEIE) uses photothermal materials (PMs) to efficiently capture lithium ions from brines. This review details PM strategies for sustainable lithium recovery, advancing SEIE technology for industrial applications.
Area of Science:
- Materials Science
- Chemical Engineering
- Environmental Science
Background:
- Growing global demand for lithium necessitates efficient extraction methods.
- Traditional lithium extraction from brines faces challenges like high energy use and slow kinetics.
- Solar-enhanced lithium extraction (SEIE) offers a sustainable alternative using solar energy.
Purpose of the Study:
- To review and summarize current photothermal materials (PMs) for SEIE systems.
- To analyze strategies and applications of PMs in sustainable lithium extraction.
- To provide perspectives on next-generation PMs for industrial-scale lithium recovery.
Main Methods:
- Outlining construction strategies for PMs with high photothermal efficiency and evaporation rates.
- Summarizing engineering approaches for PMs in SEIE, including selective adsorption and separation.
- Discussing mechanisms, design principles, and applications of PMs for Li+ extraction.
Main Results:
- Significant progress in SEIE systems utilizing advanced PMs.
- Development of PMs for efficient Li+ capture and enrichment from brines.
- Demonstrated potential for sustainable and efficient lithium resource harvesting.
Conclusions:
- SEIE technology shows great promise for sustainable lithium extraction.
- Further research on PM design and long-term stability is crucial for industrialization.
- This review provides guidelines for advancing SEIE technology towards practical applications.
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