通过生物矿物化去除Cd和Pb的干剂量方法的多维评估:生命周期评估,机械模型构建和并行因子分析
Xiao Li1, Shiyu Wang2, Hongyu Wang1
1School of Civil Engineering, Wuhan University, Wuhan, Hubei Province, China.
Journal of hazardous materials
|October 30, 2025
概括
使用细菌剂的生物矿化提供了一种环保的方式,可以从废水中去除重金属,如 (Cd) 和 (Pb). 干燥剂量方法是首选的,因为它对环境的影响较小,性能稳定.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 绿色化学 绿色化学
背景情况:
- 生物矿化是一种可持续的重金属修复技术.
- 废水处理中的生物矿物化的实际实施细节尚未得到充分探索.
- 酸盐矿化细菌剂提供了有效去除重金属的潜力.
研究的目的:
- 通过干燥剂量使用细菌剂来评估生物矿物化的效率和环境影响.
- 为干燥剂量动力学开发一种机械模型.
- 评估细菌剂在重金属清除中的稳定性和循环性能.
主要方法:
- 通过循环发酵制备酸盐矿化细菌剂.
- 干燥剂量与湿剂量对 (Cd) 和 (Pb) 除去的比较.
- 分析矿化产品的稳定性和环境影响.
- 基于质量转移和反应动力学的机械模型的开发.
主要成果:
- 细菌剂的生产率达到2.658g/L.
- 干燥剂量显示Cd (80.61%) 和Pb (55.64%) 的去除效率略低,但环境影响显著降低 (42.34%的Cd,65.12%的Pb).
- 干燥剂量表现出对有机冲击负荷的稳定性能,但对有毒挑战敏感.
- 细菌剂表现出强大的循环性能,特别是在Cd去除方面,由于基化,随着时间的推移增强了稳定性.
结论:
- 干燥剂量法是实际生物矿物化应用的首选方法,因为它对环境的好处和稳定性.
- 建立了一个机械模型来解释干燥剂量动力学.
- 需要进一步的研究,以解决在有毒条件下干燥剂量的局限性.
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