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用废物处理废物:红素既起到有效的杀菌作用,又起到消毒作用,以防止源处形成酸性矿井排水

Binyuan Gao¹, Zebin Han¹, Haina Cheng²

¹School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan, PR China.

The Science of the total environment

|April 3, 2024

概括

废物产品利格宁通过抑制矿氧化,有效地防止酸性矿井排水. 这种环保的方法既具有杀菌作用,也具有消毒作用,为AMD管理提供了可持续的解决方案.

科学领域:

环境科学环境科学
地质化学地质化学
生物技术是生物技术.

背景情况:

酸性矿井排水 (AMD) 是一个重大的环境挑战.
化氧化是AMD的主要原因.
需要经济和环保的AMD管理策略.

研究的目的:

研究红素作为预防AMD的可持续解决方案.
为了评估红素作为杀菌剂和化剂对化氧化的有效性.

主要方法:

在一个模拟的AMD系统中,添加了利格宁与Acidithiobacillus ferrooxidans.
通过测量硫酸盐释放来监测化氧化.
用形态表征和多种技术分析了利格宁对细菌细胞和矿表面的影响.

主要成果:

添加氨酸减少了68.4%的非生物和生物化氧化.
红素损害了Acidithiobacillus铁氧化素的细胞完整性,抑制了生物氧化.
单独的氨酸通过形成表面涂层,可将非生物性矿氧化率降低71.7%.

结论:

利格宁是一种有效的"浪费到浪费"策略,可以在源头预防AMD.
红素既具有杀菌作用,又具有消毒作用,为AMD控制提供了一种双重机制.
这项研究提出了一种新的,可持续的AMD管理方法.

关键词:

管理 AMD 管理 AMD.酸性西托巴西勒斯铁氧化物消极化是一种被动化.皮里特石是什么? 皮里特石是什么

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