通过利用生物炭-细菌复合材料进行铁的生物修复
Mayank Bahuguna1, Geeta Bhandari1, Nupur Joshi1
1School of Biosciences, Swami Rama Himalayan University, Swami Rama Nagar, Dehradun, 248016, Uttarakhand, India.
BMC microbiology
|December 16, 2025
概括
将Bacillus subtilis细菌固定在米生物炭上显著改善了用于地下水修复的铁 (II) 吸附. 这种细菌生物炭吸附剂为消除铁污染提供了一个有希望的绿色生物技术解决方案.
科学领域:
- 环境科学 环境科学
- 生物技术是生物技术.
- 材料科学 材料科学 材料科学
背景情况:
- 工业,城市和农业活动造成的地下水铁污染是一个重大挑战.
- 细菌在生物炭上的表面固定是基于吸附的修复的有希望的策略.
研究的目的:
- 为了研究Fe(II) 离子的吸附行为,使用细菌-生物炭吸附剂.
- 评估Bacillus subtilis固定在水皮生物炭对Fe (II) 吸附能力的影响.
- 通过吸附和动力模型以及材料特性来分析吸附.
主要方法:
- 米的生物炭与Bacillus subtilis固定在一起.
- 使用SEM,BET表面积分析和FTIR光谱学进行表征.
- 用Fe (II) 度 (10-40毫克/升) 进行批量吸附实验,动力和异热模型.
主要成果:
- 细菌生物炭吸附剂实现了79.3%的Fe (II) 除去,超过了原始生物炭.
- 增强的BET表面积 (67.76-91.84 m2/g) 与改善的吸附相关.
- FTIR分析确定了功能组和金属碳酸盐结构,表明活跃的生物吸收地点.
- 在10-15 mg/L Fe (II) 度下观察到最佳性能.
- 动力和异热模型证实了异质的吸附点.
结论:
- 在米皮生物炭上的Bacillus subtilis的表面固定显著增强Fe (II) 吸附.
- 这种细菌-生物炭固定吸收剂显示出在地下水整治中绿色生物技术应用的潜力.
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