在次试点规模下,为处理城市废水和生物质生产而基于微藻联盟的顺序培养
Rahul Kumar Goswami1, Sanjeet Mehariya2, Pradeep Verma1
1Bioprocess and Bioenergy Laboratory (BPBEL), Department of Microbiology, Central University of Rajasthan, Bandarsindri, Kishangarh, Ajmer, Rajasthan, 305817, India.
Environmental pollution (Barking, Essex : 1987)
|March 22, 2024
概括
在一个两级光生物反应器系统中的微藻联盟有效地从城市废水中去除了营养. 与单一种植相比,这种方法显著提高了生物质和脂质生产,显示了可持续废水处理的前景.
科学领域:
- 环境生物技术环境生物技术
- 微藻种植的培养方法
- 污水处理 污水处理 污水处理
背景情况:
- 市政废水 (MWW) 对环境可持续性构成重大挑战.
- 在光生物反应器 (PBR) 中培养微藻为营养物质的去除和生物质生产提供了潜在的解决方案.
- 优化微藻联盟的组成和培养策略对于高效的MWW处理至关重要.
研究的目的:
- 评估用于城市废水处理的连续微藻培养过程.
- 为了比较混合微藻联盟 (tetraselmis indica和picochlorum sp.) 的表现. 针对单一种植.
- 研究季节性变化的对微藻生长,营养物质的去除和生物质生产的影响.
主要方法:
- 为了培养微藻类,采用了两级连续光生物反应器 (PBR) 系统.
- 微藻联盟 (TS:PC和PC:TS) 和单种植被测试营养去除效率 (COD,TP,TN).
- 分析了生物质生产,生物分子含量 (脂质) 和季节性影响.
主要成果:
- 混合微藻联盟在第二阶段实现了高的营养去除效率:COD (92.49%),TP (94.24%) 和TN (94.16%).
- 在第二阶段,生物质生产达到2.65g/L,脂质含量为40.67%.
- 与混合财团合作的冬季种植带来了最大的营养去除 (TN: 88.54%,TP: 90.18%) 和生物质生产 (49.10 g).
结论:
- 使用混合微藻联合体进行序列培养,对城市废水处理非常有效.
- 这种方法在营养去除和生物质/脂质产量方面明显优于单一栽培.
- 两个阶段的财团方法,特别是在冬季,为废水管理和资源回收提供了可持续和高效的解决方案.
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