使用Bacillus pumilus在有氧脱生物反应器中的可生物降解聚合物的增强脱:性能和机制
Xiangyu Zhang1, Xiefa Song1, Xiaojing Cheng1
1Key Laboratory of Mariculture (Ministry of Education), Fisheries College, Ocean University of China, Qingdao, Shandong Province 266003, China.
Bioresource technology
|December 31, 2023
概括
这项研究通过将可生物降解的聚合物与特定细菌相结合,提高了脱效率. 菌可以显著提升酸盐的去除在使用Halomonas venusta. maricultural废水处理.
科学领域:
- 环境微生物学 环境微生物学
- 生物技术是生物技术.
- 水处理 处理水的方法
背景情况:
- 废水中酸盐的积累对动物健康构成风险,并有助于化.
- 有效的脱化策略对于管理水生环境中的污染至关重要.
- 可生物降解的聚合物为微生物脱提供了潜在的碳来源.
研究的目的:
- 研究将可生物降解聚合物与特定细菌菌株结合以提高脱化效果的有效性.
- 用Bacillus pumilus和Halomonas venusta的混合培养物来确定除的最佳条件.
- 评估Bacillus pumilus在聚合物降解中的作用及其对有氧脱的影响.
主要方法:
- 选和应用可生物降解的聚合物,包括聚烯酸,作为基板进行脱.
- 培养和优化Bacillus pumilus和Halomonas venusta的比率,以去除.
- 操纵液压保留时间以评估其对酸盐去除效率的影响.
- 使用分子技术分析微生物群落组成和功能酶活性.
主要成果:
- 聚卡普罗拉克呈现了最高的降解和碳释放率 (0.214 mg/g·d).
- 在Bacillus pumilus和Halomonas venusta的比例为1:2时,可以实现最佳的去除.
- 将液压保留时间延长到12小时,将酸盐去除率提高了48%.
- 菌的存在导致了更高的蛋白质细菌 (77.34%) 和脱酶的丰度.
结论:
- 菌可以增强生物降解聚合物的降解,如聚烯酸,从而改善有氧细菌的脱.
- 综合方法有效地处理农业废水,为酸盐污染提供可持续的解决方案.
- 优化细菌比率和液压保留时间是最大限度地提高脱效率的关键因素.
更多相关视频
08:05Measurement of the Potential Rates of Dissimilatory Nitrate Reduction to Ammonium Based on 14NH4+/15NH4+ Analyses via Sequential Conversion to N2O
Published on: October 7, 2020
6.1K
13:38Isolation of Native Soil Microorganisms with Potential for Breaking Down Biodegradable Plastic Mulch Films Used in Agriculture
Published on: May 10, 2013
30.6K
相关概念视频
Bioremediation
18.4K
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.
18.4K
Overview of Nitrogen Metabolism
7.9K
Nitrogen is a very important element for life because it is a major constituent of proteins and nucleic acids. It is a macronutrient, and in nature, it is recycled from organic compounds and stored in the form of ammonia, ammonium ions, nitrate, nitrite, or nitrogen gas by many metabolic processes. Many of these metabolic processes are carried out only by prokaryotes.
The largest pool of nitrogen available in the terrestrial ecosystem is gaseous nitrogen (N2) from the air, but this...
The largest pool of nitrogen available in the terrestrial ecosystem is gaseous nitrogen (N2) from the air, but this...
7.9K
