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Bioremediation

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Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
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Author Spotlight: Scaling Microalgal Biotechnology for Enhanced Biomethane Production
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在一个遥远的脱化生物反应器中以太阳能为动力送.

Carolina Díaz-García1, Reid D Christianson2, Michael P Wallace1

  • 1Department of Crop Sciences, University of Illinois at Urbana-Champaign, AW-101 Turner Hall, 1103 South Goodwin Avenue, Urbana, IL, USA.

Journal of environmental management
|December 20, 2024
PubMed
概括

将一个添加到去化的木片生物反应器中,提高了酸盐-去除率和效率,特别是在负载不足的地点. 虽然有利,但增加的复杂性和成本需要仔细考虑.

关键词:
批量模式 批量模式液压加载 液压加载 液压加载亚酸盐是一种酸盐.标记器测试测试 标记器测试

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科学领域:

  • 环境工程 环境工程
  • 水质管理水质管理
  • 农业科学 农业科学

背景情况:

  • 无化木片生物反应器对于从农业排水中去除酸 (N) 是至关重要的.
  • 地下排水系统的流量变化可能会限制生物反应器的效率.
  • 很少有研究评估了生物反应器中现场规模的送配置.

研究的目的:

  • 评估太阳能系统对无化木片生物反应器性能的影响.
  • 为了评估酸盐-的去除速度和效率,有和没有抽.
  • 确定后装生物反应器与系统的优缺点.

主要方法:

  • 一个现场规模的"沟转移"生物反应器被装备了太阳能.
  • 式生物反应器在2022年被监测了29天,在2023年被监测了93天.
  • 绩效与非抽油期 (2019-2021) 的历史数据进行了比较.

主要成果:

  • 式生物反应器实现了7.5g N/m3-d (2022) 和5.2g N/m3-d (2023) 的平均N去除率.
  • 除效率为50% (2022年) 和61% (2023年),通常在非抽期间有所改善.
  • 太阳能水的日间批量运行导致了夜间水温的增加,可能会提高性能.

结论:

  • 可以通过稳定流量来提高生物反应器的性能,特别是在负载不足的系统中.
  • 与传统生物反应器相比,添加显示了N负载去除的轻微改善.
  • 与系统相关的复杂性和成本增加必须仔细权衡性能益处.