功能膜有利于改善与绿色废物堆肥过程相关的微环境
Yunxuan Zhang1, Lu Zhang1, Bingpeng Qu2
1College of Forestry, Beijing Forestry University, Beijing, 100083, PR China.
Journal of environmental management
|July 1, 2025
概括
功能膜通过调节微环境,显著改善绿色废物堆肥. 这加快了有机物分解,提高了堆肥质量,降低了成本和加工时间.
科学领域:
- 环境科学 环境科学
- 生物技术是生物技术.
- 废物管理 废物管理
背景情况:
- 绿色废物 (GW) 的有氧堆肥是可持续的,但面临着诸如加工速度慢,效率低,气损失和质量差等挑战.
- 传统的方法往往无法优化堆肥微环境,以实现高效的生物转化.
研究的目的:
- 研究具有不同空气和水分透性的功能膜对绿色废物堆肥微环境的影响.
- 评估这些膜对堆肥效率,产品质量和经济可行性的影响.
主要方法:
- 使用了三种功能膜处理 (T1-T3) 和一个未覆盖的对照 (CK).
- 监测的关键参数包括温度,湿度,含量,有机物降解,酶活性和堆肥成熟度.
- 一个会员函数模型被用来进行综合评估 (堆肥产品指数 - CEI).
主要成果:
- 在T2膜处理过程中,最高温度达到了66.4°C,热友性阶段延长了12天.
- 与CK相比,T2显著改善了水分含量 (+29.3%),形式 (+36.3%的, +63.0%的酸盐),有机物降解 (+15.9%) 和性物质 (+8.3%的酸, +11.1%的酸).
- 堆肥成熟期减少到26天,T2的CEI为0.88,堆肥成本下降了18.6%.
结论:
- 最佳的膜配置通过调节气液交换来创造有利的微环境,提高堆肥性能.
- 膜辅助堆肥可以改善固,加速有机物转化,并产生更高质量的堆肥.
- 这种方法为绿色废物管理提供了一种高效和具有成本效益的解决方案.
更多相关视频
08:14Scalable Step-by-Step Approach of Sustainable Bioplastic Production from Food Waste
Published on: July 18, 2025
328
16:33Methods for Facilitating Microbial Growth on Pulp Mill Waste Streams and Characterization of the Biodegradation Potential of Cultured Microbes
Published on: December 12, 2013
9.6K
相关概念视频
Environmental Applications of Microorganisms
283
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...
283
Bioremediation
20.2K
Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
20.2K
Eukaryotic Compartmentalization
13.1K
One of the distinguishing features of eukaryotic cells is that they contain membrane-bound organelles, such as the nucleus and mitochondria, that carry out specialized functions. Since biological membranes are only selectively permeable to solutes, they help create a compartment with controlled conditions inside an organelle. These microenvironments are tailored to the organelle's specific functions and help isolate them from the surrounding cytosol.
For example, lysosomes in the animal...
For example, lysosomes in the animal...
13.1K
Microbial Nutrition
346
Organisms exhibit remarkable metabolic diversity, categorized based on how they acquire energy and carbon. These strategies enable survival in various ecological niches and are essential for maintaining energy flow and nutrient cycling within ecosystems.Energy and Carbon SourcesOrganisms are classified as phototrophs or chemotrophs based on energy acquisition. Phototrophs use light as their energy source, while chemotrophs rely on oxidizing chemical compounds. Further differentiation arises...
346
Lipid Catabolism
178
Triglycerides serve as crucial long-term energy storage molecules in microorganisms, providing a dense source of metabolic energy. Their breakdown is mediated by lipases, which hydrolyze triglycerides into glycerol and free fatty acids. Each of these components follows distinct metabolic pathways, ultimately contributing to ATP synthesis and cellular energy homeostasis.Glycerol MetabolismGlycerol, released from triglyceride hydrolysis, is phosphorylated by glycerol kinase to form...
178
Lysosomes
20.2K
Lysosomes are membrane-enclosed spherical sacs derived from the Golgi apparatus. The most important function of the lysosome is degrading macromolecules and biological polymers that are released during membrane trafficking events such as the secretory, endocytic, autophagic, and phagocytic pathways. The degradation is carried out by several hydrolytic enzymes active in an acidic environment of the lysosomal lumen. These acid hydrolases are involved in cellular processes such as cell signaling,...
20.2K
