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Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae
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生物开采使用微藻从石中回收稀土元素 (REEs).

Phong H N Vo1, Unnikrishnan Kuzhiumparambil1, Mikael Kim1

  • 1Climate Change Cluster, University of Technology Sydney, Ultimo, NSW 2007, Australia.

Bioresource technology
|July 6, 2024
PubMed
概括

微藻可以从石中可持续提取稀土元素 (REEs). 确定了REE回收和生物化学功能的最佳条件,为规模化的生物采矿应用铺平了道路.

关键词:
石是一种石.生物采矿是一种生物采矿.微藻类是一种微藻类.稀土元素 (REEs) 是一种稀土元素.

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科学领域:

  • 环境科学 环境科学
  • 生物技术是生物技术.
  • 材料科学 材料科学 材料科学

背景情况:

  • 生物采矿为提取有价值元素提供了一个可持续的替代方案.
  • 微藻类显示出回收稀土元素 (REEs) 的潜力.
  • 石加工对高效的REE回收提出了挑战.

研究的目的:

  • 评估微藻类从石中回收REE的能力.
  • 评估石对微藻生物化学功能的影响.
  • 优化REE生物开采的运营条件.

主要方法:

  • 用不同度的石培养微藻.
  • 在微藻生物质中分析REE含量.
  • 在石压力下对生化标记物 (颜料,酶) 的评估.
  • 优化通风,pH值和液压保留时间.

主要成果:

  • 石度的增加 (0.2-0.6%) 提高了REE回收和生物化学生产高达10%.
  • 与其他物种相比,Chlorella vulgaris表现出较高的REE回收效率.
  • 较高的pH值降低了微藻生物质中REE的积累.
  • 为了有效的生物开采,确定了最佳运营条件.

结论:

  • 微藻,特别是Chlorella vulgaris,对从石中生物开采 REE 有效.
  • 石度和pH值是影响REE恢复和微藻健康的关键因素.
  • 这项研究为扩大基于微藻的REE提取工艺提供了基础.