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模拟和优化磁场和实验研究的磁场合构建湿地的模拟和优化

Liechao Xiong^1,2, Rong Ma^1,2, Fajin Yin^1,2

¹School of Mechanical Engineering and Transportation, Southwest Forestry University, Kunming, People's Republic of China.

Environmental technology

|November 13, 2023

概括

在建造的湿地中优化磁场显著提高了废水处理. 增强的磁场通过促进微生物群体中的有益细菌来改善有机和的去除.

科学领域:

环境工程环境工程
水处理技术水处理技术
微生物学微生物学

背景情况:

建筑湿地 (CWs) 在家用废水处理中是有效的.
优化CW性能以提高污染物清除仍然是一个关键的挑战.
磁场应用是改善水处理的新兴技术.

研究的目的:

开发和优化一个与磁场 (M-VFCW) 结合的新型建造湿地,用于家庭废水处理.
研究磁场优化对CW处理效率和微生物社区结构的影响.
为了评估化学氧气需求 (COD) 和氨 (NH4+-N) 的去除.

主要方法:

用有限元法解决和优化CW中的磁场分布.
研究了不同磁场强度 (3mT和8mT) 对CW性能的影响.
分析了水质参数 (COD,NH4+-N) 和微生物群落组成 (细菌丰度).

主要成果:

优化的磁场强度从平均3mT增加到8mT,>5mT区域从30%增加到74%.
磁场应用 (平均3mT) 显著增加了COD和NH4+-N去除12.2%和8.49% (p<0.01).
优化的磁场 (M-VFCW(O,平均8mT) 进一步增强了COD和NH4+-N去除,分别为15.58%和49.1% (p<0.01).
观察到微生物群落丰富度的显著变化,蛋白质细菌,菌细菌,动菌细菌,菌细菌和浮游生物的显著增加.

结论:

在CW中引入和优化磁场显著提高了有机和去除效率.
磁场促进了参与有机降解和营养循环的关键细菌的生长.
优化磁场应用为提高垂直流构建湿地的生物处理性能提供了一个有希望的策略.

关键词:

一个磁场的磁场.建筑湿地是建造的湿地.微生物社区的微生物社区.污染物污染物污染物模拟和优化的模拟和优化.

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