用控制蓝藻细菌的生长;对核储存池中的花控制的影响
Kejing Zhang1, Lynn Foster1, Christopher Boothman1
1Department of Earth and Environmental Sciences, Faculty of Science and Engineering, Research Centre for Radwaste Disposal and Williamson Research Centre for Molecular Environmental Science, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK.
Harmful algae
|July 13, 2024
概括
氧化 (KOH) 在核储存池中有效控制了Pseudanabaena catenata的微生物繁殖. 这种替代处理减少了生物质积累,同时保持高pH值以防止燃料棒腐蚀.
科学领域:
- 环境微生物学 环境微生物学
- 核废物管理 核废物管理
- 蓝菌生态学 蓝菌生态学
背景情况:
- 耐的微生物花朵,主要是Pseudanabaena catenata,在Sellafield的第一代Magnox储存池的性条件下壮成长.
- 池的性环境,由氧化 (NaOH) 维持,对于最小化核燃料棒腐蚀至关重要.
研究的目的:
- 评估氧化 (KOH) 作为与NaOH相比的替代剂量方案的疗效.
- 评估KOH对 Pseudanabaena catenata 主导的微生物群落生物质积累的影响.
主要方法:
- 一个为期3个月的化学定位实验,使用池环境的混合微生物培养代表.
- 在NaOH和KOH处理组之间对光密度测量的比较.
- 微生物社区分析和蛋白质组学以确定KOH效应的特异性.
主要成果:
- 与NaOH相比,KOH处理减少了40-67%的光学密度.
- 蛋白质学和社区分析表明,KOH特别抑制了Pseudanabaena catenata的生长.
- 在KOH处理下维持了对腐蚀抑制所需的高 pH.
结论:
- 氧化 (KOH) 显示出作为核储存池的替代的希望.
- 由于其对的敏感性,KOH有效地控制了Pseudanabaena catenata的开花.
- 这一策略可以管理微生物的生长,同时保持核燃料的必要腐蚀抑制.
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