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通过预矿化提高Staphylococcus succinus的耐受性,用于基于生物花的油田水处理

Qianwei Li¹, Miao Zhang¹, Zechen Bian¹

¹State Key Laboratory of Heavy Oil Processing, State Key Laboratory of Petroleum Pollution Control, China University of Petroleum, Beijing 102249, China.

|October 18, 2025

概括

使用Staphylococcus succinus J3细菌的新型预矿化策略增强了微生物诱导的矿沉 (MICP) 用于处理高硬度废水. 这种方法提高了细菌耐药性,同时从油田产生的水中去除悬浮固体和硬度离子.

科学领域:

环境微生物学环境微生物学
生物技术是生物技术.
废水处理废水处理

背景情况:

高硬度的废水,如油田产生的废水 (PW),由于悬浮固体和生物毒性,存在处理挑战.
微生物诱导的石沉 (MICP) 是一个潜在的解决方案,但在恶劣的废水环境中,细菌的生存能力往往受到损害.

研究的目的:

开发Staphylococcus succinus J3的预矿化策略,以提高其对PW治疗的环境抵抗力.
为了提高从PW中使用修改后的细菌同时去除悬浮固体和硬度离子的效率.

主要方法:

开发了一种预矿化策略,在Staphylococcus succinus J3.3上形成碳酸外.
用葡萄糖培养预矿化J3并以5 × 10 7 CFU/mL接种,用于批量实验.
评估了细菌活力,硬度离子去除,悬浮固体去除,并分析了细胞外聚合物质 (EPS) 和矿物质矩阵结构.

主要成果:

与未经修改的菌株相比,预矿化J3在PW中对有毒成分的耐药性显著增强.
实现了高的去除率:悬浮固体的98.09%和硬度离子的95.41%.
通过在矿物质矩阵内的封装,证明了更好的自我花和同时去除悬浮固体和硬度离子.

结论:

预矿化策略有效地提高了PW的Staphylococcus succinus J3的环境耐药性和处理效率.
这种方法为生物处理复杂废水提供了一种新的方法,最大限度地减少生物质污染,并促进水的净化.

关键词:

细菌的活力细菌的活力浮花剂浮花剂是一种浮花剂.油田产生的水是油田产生的水.在矿物化前进行预矿化.尿溶性细菌是一种尿溶性细菌.

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