不同的多通道通风方法对有氧堆肥和植物废气排放的影响
Ruirong Li1,2, Liang Cai3, Jie Cao2
1School of Energy and Environment, Southeast University (SEU), Nanjing, 210096, China.
Environmental science and pollution research international
|October 12, 2023
概括
多通道通风系统显著改善了植物废物的有氧堆肥. 这种方法增强了有机物降解,并减少了温室气体排放,如甲和氧化.
科学领域:
- 环境科学 环境科学
- 废物管理 废物管理
- 生物技术是生物技术.
背景情况:
- 有氧堆肥对于植物废物回收利用是有效的.
- 半透膜覆盖的有氧发酵对于植物废物来说还没有得到研究.
- 关于产品特性和温室气体排放的数据有限.
研究的目的:
- 研究不同通风系统对堆肥效率的影响.
- 分析植物废物堆肥产生的温室气体 (GHG) 排放情况.
- 评估多通道通风的有效性.
主要方法:
- 在不同通风系统的组中比较堆肥效率和温室气体排放 (底部通风加多通道与单底通风).
- 监测温度,有机物降解率和发芽指数.
- 甲 (CH4),氧化 (N2O) 和氨 (NH3) 的量化排放.
主要成果:
- 多通道通风组 (MV2) 的平均温度增加了19.06%,有机物降解增加了30.81%.
- 在MV2组中,发芽指数在三天前超过了80%.
- MV2显著降低了CH4 (32.67%),N2O (21.52%),NH3 (22.57%) 的排放,导致与单一底部通风相比,总温室气体排放减少了24.17%.
结论:
- 多通道通风系统提高了植物废物的有氧堆肥效率.
- 这个系统有效地减少了关键的温室气体排放.
- 多通道通风为可持续的蔬菜废物管理提供了一个有希望的方法.
相关概念视频
Factors Affecting Pulmonary Ventilation
1.4K
Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
1.4K
Environmental Applications of Microorganisms
32
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
32
Chemical Factors Affecting Respiration Centers
1.1K
Chemical factors such as changing CO2, O2, and H+ levels in arterial blood play a critical role in influencing respiration depth and rates. These variations are detected by chemoreceptors—specialized sensors located in two primary body areas. Central chemoreceptors are found throughout the brain stem, including the ventrolateral medulla, while peripheral chemoreceptors are located in the aortic arch and carotid arteries.
CO2 has a potent influence on respiration and is strictly regulated....
CO2 has a potent influence on respiration and is strictly regulated....
1.1K


