关于在深层水表中可持续储存二的微生物学和地化学观点
Jean Mura1, Magali Ranchou-Peyruse1,2,3, Marion Guignard2
1Universite de Pau et des Pays de l'Adour, E2S UPPA, LaTEP, Pau 64012, France.
Environmental science & technology
|July 10, 2025
概括
在含水层中地下储存 (H2) 是可行的,因为微生物消耗H2,化稳定了气体水平. 二氧化碳 (CO2) 通过抑制这个过程对储存产生负面影响.
科学领域:
- 地质化学 地质化学
- 微生物学 微生物学
- 储能 储能 储能 储能 储能 储能
背景情况:
- 在地下设施中季节性储存二 (H2) 对其作为能源载体的可行性至关重要.
- 含水层内的微生物活动可以改变气体成分,影响H2储存的有效性.
- 反应堆规模的实验是验证H2动态模型所必需的.
研究的目的:
- 为了研究本地微生物在模拟H2注入天然气储存水库中的行为.
- 开发一种气体,水,岩石和微生物相互作用的动力模型.
- 评估H2和CO2对微生物活动和气体组成的影响.
主要方法:
- 使用高压反应堆模拟H2注入到含水层样本 (形成水和岩石).
- 使用开发的动力模型分析了气体,水,岩石和微生物的相互作用.
- 微生物对H2的量化消耗和副产品的产生.
主要成果:
- 微生物消耗H2导致化,抑制进一步的微生物生长和呼吸,表明储存稳定.
- 二氧化碳 (CO2) 阻碍了化,促进了减少硫酸盐和甲的活性.
- 使用H2微生物占主导地位,但甲原体和硫酸盐降解剂也显著活跃.
结论:
- 在深层含水层中地下储存H2显示了初始微生物H2消耗和化后稳定的潜力.
- 尽量减少CO2对于防止抑制有益的化和减轻不良微生物活动至关重要.
- 这些发现为未来的大规模地下能源储存的研究和应用提供了信息.
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