相关实验视频

Updated: Sep 10, 2025

Coupling Carbon Capture from a Power Plant with Semi-automated Open Raceway Ponds for Microalgae Cultivation

Coupling Carbon Capture from a Power Plant with Semi-automated Open Raceway Ponds for Microalgae Cultivation

Published on: August 14, 2020

在一个全尺寸的旋转反应堆中应用减排方法:碳足迹评估

Shohei Otomo¹, Akihiko Terada², Satoru Shibata³

¹Department of Technology Education Support Center, National Institute of Technology, Akita College, 1-1 Iijima-Bunkyo-cho, Akita, Akita 011-8511, Japan.

Journal of bioscience and bioengineering

|August 22, 2025

概括

减少污水处理所产生的二氧化 (N₂O) 排放对于减少污水处理所产生的碳足迹至关重要. 在生物反应器中优化通风策略可显著降低N2O排放,并提高生物除效率.

科学领域:

环境科学
环境工程
微生物学

背景情况:

污水处理厂的生物除所产生的二氧化 (N₂O) 排放对其碳足迹有很大影响.
有效减轻N2O对于可持续的废水管理至关重要.

研究的目的:

为了减轻一座大型污水处理厂圆式生物反应器的N₂O排放量.
调查操作策略对N2O减少和生物去除的影响.

主要方法:

在反应堆的输入侧和相反侧交替运行氧气供应机.
监测溶解的N₂O (DN₂O) 和溶解的氧 (DO) 的水平.
分析细菌群体组成 (cDNA).
在有机负载较低的时期实施N₂O缓解策略.

主要成果:

降低DN₂O度,暂停影响点和运行相反侧,与增加N₂O减少无化细菌有关.
在低有机负载期间的临时DO增加导致N₂O积累.
实施的策略将中位数N₂O排放因子从0.86%降至0.28%.
在工厂的年度碳足迹减少了14%.

结论:

优化动策略有效地减少了大规模污水处理厂的N2O排放.
减少N₂O对废水处理的总体碳足迹产生重大影响.
操作调整,特别是在低有机负载期间,是成功减轻N₂O的关键.

关键词:

碳足迹旋转反应堆全面的工厂缓解策略清除的方法氧化物

更多相关视频

Assessment of Methane and Nitrous Oxide Fluxes from Paddy Field by Means of Static Closed Chambers Maintaining Plants Within Headspace

Assessment of Methane and Nitrous Oxide Fluxes from Paddy Field by Means of Static Closed Chambers Maintaining Plants Within Headspace

Published on: September 6, 2018

The Use of an Automated System GreenFeed to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals

The Use of an Automated System GreenFeed to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals

Published on: September 7, 2015

相关概念视频

Carbon-dioxide Fixation

Carbon-dioxide Fixation

Carbon dioxide fixation in prokaryotes enables the assimilation of inorganic carbon into organic molecules, supporting biosynthetic pathways, sustaining ecosystems, and contributing to the global carbon cycle. It also has industrial applications in carbon capture and bioproduct synthesis. Autotrophic organisms rely on this process to utilize CO₂ as a carbon source in diverse environments.The Calvin CycleThe Calvin cycle is the most widespread carbon fixation mechanism, primarily used by...