碳源形状的微生物生态,新陈代谢和生物膜系统中的性能,用于同时回收和去除
Zhen Bi1, XueLing Wang2, Hao Fu2
1School of Environment Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China; National and Local Joint Engineering Laboratory for Municipal Sewage Resource Utilization Technology, Suzhou University of Science and Technology, Suzhou, 215009, China.
Environmental research
|September 20, 2025
概括
生物膜系统可以有效地从废水中去除和丰富,使用复杂的碳来源,如挥发性脂肪酸,葡萄糖和氨基酸. 长期适应显著提高性能,实现高的营养物质去除效率.
科学领域:
- 环境微生物学 环境微生物学
- 水处理技术水处理技术
- 生物技术是生物技术.
背景情况:
- 用于丰富的生物膜技术面临着挑战,因为对复杂碳来源的微生物行为的理解有限.
- 真正的污水含有挥发性脂肪酸 (VFA),葡萄糖和氨基酸,它们是影响微生物过程的复杂碳来源.
研究的目的:
- 评估生物膜系统的去除和缩性能,这些生物膜系统采用复杂的碳来源.
- 为了研究微生物社区的转变,碳利用和新陈代谢模式在不同的碳养策略下.
- 评估生物膜系统在同时去除营养物质和回收方面的潜力.
主要方法:
- 生物膜系统从单一的碳来源 (酸) 逐渐过渡到复杂的碳来源 (VFA,葡萄糖,氨基酸).
- 监测去除/富化,碳利用和营养去除效率 (总和总).
- 使用先进技术分析微生物社区的继承和代谢途径 (糖解,EMP,ED,TCA).
主要成果:
- 最初的性能降低,随后在长期适应和延长无氧液压保留时间 (HRT) 后,除/丰富的显著改善.
- 获得丰度度>50 mg/L和总 (>82%) 和总 (>97%) 的高去除效率.
- 观察到微生物群落的变化,水解发酵细菌的丰富,以及复杂的微生物相互作用. 细胞内有机 (OP) 波动表明PAO在能量转化中的作用.
结论:
- 生物膜系统显示出在污水中发现的复杂碳来源的同时除和缩的巨大潜力.
- 长期适应和优化的HRT对于提高系统稳定性和效率至关重要.
- 了解微生物代谢和社区动态是优化回收技术的关键.
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