相关实验视频
Updated: Jul 4, 2025

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Assembly and Characterization of Polyelectrolyte Complex Micelles
Published on: March 2, 2020
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一个数值模型的MICP多过程考虑到规模大小的规模大小
Xianxian Zhu1, Jianhua Wang1, Haili Wang2
1Zhejiang Qiantang River Basin Center, Hangzhou, China.
PloS one
|January 29, 2024
概括
微生物诱导碳酸盐沉 (MICP) 模型在考虑尺度大小对分散性的影响时更准确. 结合尺度可以改善地质技术和环境应用中碳酸分布和含量的预测.
科学领域:
- 地质技术工程 地质技术工程
- 环境科学 环境科学
- 生物地质化学生物地质化学
背景情况:
- 微生物诱导碳酸盐沉 (MICP) 是一种环保技术,具有多种应用.
- 在MICP过程中,纵向分散性依赖于尺度,影响模型的准确性.
- 现有的模型往往忽略了规模效应,导致与实验数据的差异.
研究的目的:
- 在MICP中确定尺度大小和纵向分散度之间的关系.
- 通过结合规模效应来优化MICP多过程反应的理论框架.
- 为了提高MICP应用的数值模型的准确性.
主要方法:
- 建立尺度大小和纵向分散度之间的关系.
- 优化MICP多过程反应理论系统.
- 微生物矿化运动模型的数值模拟.
主要成果:
- 纵向分散性随着尺度大小在对数上升 (从10−2m增加到105m,分散性从10−3m增加到104m).
- 考虑尺寸可以提高碳酸分布的准确性,增加悬浮和附着细菌,从而导致碳酸含量更高.
- 尺寸对悬浮细菌透的影响最小;最大碳酸盐含量与初始孔隙性相关,平均碳酸盐增加与细菌注射率.
结论:
- 尺度大小显著影响MICP的纵向分散性.
- 整合规模效应可以提高MICP模型的预测准确性.
- 建议在模拟MICP多过程和微生物矿物化动力模型时考虑规模大小的影响.
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