使用磁性PVA/CMC/DE载体固定微生物从垃圾填埋场液中有效地去化
Yunshuang Hu1, Yufei Gu1, Jiahui Tan1
1School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China.
Waste management (New York, N.Y.)
|January 17, 2025
概括
磁性固定载体有效地从废水中去除氨 (NH4+-N) 和总 (TN). 这种新材料增强了微生物活动,在模拟和真实垃圾填埋场浸物处理中实现了高的去除率.
科学领域:
- 环境科学 环境科学
- 环境工程 环境工程
- 材料科学 材料科学 材料科学
背景情况:
- 氨 (NH4+-N) 的排放造成了严重的水污染,导致了肥胖化和生态危害.
- 在废水中有效处理NH4+-N对于环境保护和公共卫生至关重要.
研究的目的:
- 开发和优化磁性固定载体,以改善废水中的NH4+-N去除.
- 研究这些载体在处理含有高NH4+-N度的模拟和真实废水中的效率.
主要方法:
- 使用聚乙烯醇 (PVA),碳氧甲基纤维素 (CMC),二氧化 (DE) 和Fe3O4.4制备磁固定载体.
- 使用响应表面方法学优化载体组成.
- 在模拟和垃圾填埋污水污水中通过化和脱去除NH4+-N和总 (TN) 的评估.
主要成果:
- 确定了最佳的载体比,结果是具有蜂孔结构的球形载体 (4-5毫米).
- 从模拟废水中获得99.0%的NH4+-N和86.7%的TN去除 (300 mg/L NH4+-N).
- 在60天的垃圾填埋污水处理中,每天提取93.7%的NH4+-N和78.3%的TN的高提取率.
结论:
- 磁性固定载体显著提高了氨氧化活性和去除效率.
- 这些载体促进了关键的化-有氧化脱细菌的生长,加速了处理过程.
- 这项技术为污染水体中有效的NH4+-N和TN整治提供了有希望的解决方案.
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