从低档煤炭飞灰中回收稀土元素,使用可回收蛋白质生物吸收剂
Zohaib Hussain1, Divya Dwivedi1, Inchan Kwon1
1School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, Republic of Korea.
Frontiers in bioengineering and biotechnology
|May 31, 2024
概括
这项研究引入了生物工程蛋白质,以从工业废物中回收稀土元素 (REEs). 这些可回收的蛋白质吸附剂提供了一种可持续的方法来实现REE供应链的多样化.
科学领域:
- 材料科学 材料科学 材料科学
- 生物技术是生物技术.
- 环境科学 环境科学
背景情况:
- 稀土元素对于清洁能源技术至关重要,但来源于有限的地理区域.
- 开发多样化和可持续的REE供应来源对于未来的能源需求至关重要.
- 煤炭飞灰 (FA) 是一种未充分利用的工业废物,含有低度的可再生能源.
研究的目的:
- 探索利用一种新的生物工程蛋白质从煤炭飞中回收可再生能源.
- 为了证明REE抽取REE选择性弹性类似多 (RELPs) 的有效性和可回收性.
- 建立一种可持续的方法,从工业废物中多样化REE供应.
主要方法:
- 使用热响应性,基因编码的REE选择性弹性类似聚 (RELPs) 作为生物工程蛋白质吸收剂.
- 采用温度循环,以有效分离和回收RELP.
- 经过测试的RELP用于从煤炭飞灰中获得的模拟溶液中选择性地回收REE.
主要成果:
- RELP证明了高效的分离和可回收性,在四个循环后保留了~95%的初始REE结合能力.
- 从模拟解决方案中获得高纯度的REE回收,使REE纯度增加了多达10万倍.
- 从低质量的煤炭飞灰中成功回收了REEs,这是一个复杂的工业原料.
结论:
- RELP为选择性REE回收提供了稳定和可回收的生物吸收剂.
- 这种方法提供了一种可持续的途径,通过利用工业废物来使REE供应多样化.
- 该研究为从非传统来源工业化提取高纯度的REEs奠定了基础.
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