含有藻类的水的单一氧化处理:一种优雅的去污方法,不损害细胞
Ting Li1, Yichuan Wang1, Jianfeng Zheng2
1MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tongyan Road 38, Tianjin 300350, PR China.
Water research
|May 29, 2025
概括
单点氧 (1O2) 通过破坏细胞的稳定性,有效地预处理带水,以便在不释放污染物的情况下去除. 这种先进的氧化方法为面临藻类繁殖和毒素的水处理厂提供了更安全的替代方案.
科学领域:
- 环境科学 环境科学
- 水处理技术水处理技术
- 氧化化学 有氧化化学
背景情况:
- 藻类繁殖污染了水源,对饮用水安全和处理效率构成风险.
- 传统的氧化方法可以破坏细胞,释放有害的细胞内污染物.
研究的目的:
- 评估单点氧 (1O2) 作为一种新的藻类载水预处理方法.
- 为了比较1O2与其他氧化剂在藻类清除和污染物释放方面的有效性.
主要方法:
- 研究了1O2对藻类细胞活力和表面特性的影响.
- 使用 1O2.2 评估了细胞内和细胞外污染物的去除.
- 对抗臭氧,基,低化物,过氧硫酸盐和酸盐的1O2性能进行比较.
- 应用于对真正藻类污染的水库水进行1O2处理.
主要成果:
- 1O2 破坏了藻类细胞的稳定,通过凝固增强了它们的去除,而不会破坏细胞完整性.
- 1O2有效地消除了细胞外的毒素和味道和气味化合物.
- 其他氧化剂造成了显著的细胞损伤,并释放了细胞内有机污染物.
- 1O2诱导藻类无活力和表面修饰,促进凝血.
结论:
- 1O2是一种优质的藻类载水预处理方法,可以防止污染物释放.
- 这项技术提供了有效的藻类清除和细胞外污染物消除.
- 1O2显示出作为下一代紧急处理水资源中藻类污染的承诺.
更多相关视频
相关概念视频
Oxygenic Photosynthesis
215
Oxygenic photosynthesis is a fundamental process in which light energy is harnessed to drive the oxidation of water, leading to the production of molecular oxygen (O₂), adenosine triphosphate (ATP), and nicotinamide adenine dinucleotide phosphate (NADPH). This process is essential for sustaining aerobic life on Earth and is primarily carried out by cyanobacteria, algae, and plants. The core of oxygenic photosynthesis lies in the thylakoid membranes, where chlorophyll pigments facilitate...
215
Anoxygenic Photosynthesis
180
Anoxygenic photosynthesis is a phototrophic process that captures light energy to drive carbon fixation without producing molecular oxygen. Unlike oxygenic photosynthesis, which utilizes water as an electron donor and releases oxygen, anoxygenic phototrophs use alternative electron donors such as hydrogen sulfide (H₂S), elemental sulfur (S⁰), or thiosulfate (S₂O₃²⁻). This process is carried out by diverse groups of bacteria, including purple bacteria, green...
180
Oxygen Requirements and Growth Patterns
291
Microorganisms exhibit diverse oxygen requirements and growth patterns driven by their metabolic strategies and environmental adaptations. Oxygen, while essential for many organisms, can also be toxic under certain conditions, shaping how microorganisms grow and survive.Oxygen Requirements of MicroorganismsMicroorganisms are classified based on their ability to use or tolerate oxygen:● Obligate aerobes like Mycobacterium tuberculosis need oxygen for energy production, as it serves as the...
291
Green Algae
229
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
229
Bioremediation
20.3K
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.
20.3K
Red Algae
152
Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...
152


