RESEARCH PROGRESS ON IRON ENHANCED ANAEROBIC AMMONIA OXIDATION REACTION
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摘要: 厌氧氨氧化工艺作为新型的高效环保脱氮技术,相比传统脱氮工艺能够有效节省能源消耗。然而,由于厌氧氨氧化细菌活性较低,对环境较为敏感,且易随水流失,限制了厌氧氨氧化脱氮性能,以及厌氧氨氧化工艺的工程化。铁元素作为厌氧氨氧化细菌生长和新陈代谢必需的营养元素,能够显著影响厌氧氨氧化反应。综述了铁元素对厌氧氨氧化反应系统的影响,重点对铁元素提高厌氧氨氧化细菌活性,改善生存环境,强化颗粒污泥形成并提升其稳定性方面进行了分析,旨在为提高厌氧氨氧化细菌活性,推进厌氧氨氧化工艺的应用提供参考。Abstract: Anaerobic ammonia oxidation process, as a new efficient and environmentally friendly denitrification technology, can effectively save energy consumption compared to the traditional denitrification processes. However, due to the low activity of anaerobic ammonia oxidation bacteria, their sensitivity to the environment, and their susceptibility to water loss, the denitrification performance of anaerobic ammonia oxidation is reduced, which limits the engineering application of the anaerobic ammonia oxidation process. Iron, as an essential nutrient for the growth and metabolism of anaerobic ammonia-oxidizing bacteria, can significantly affect the anaerobic ammonia oxidation reaction. This article reviews the impact of iron on anaerobic ammonia oxidation reaction systems, focusing on the analysis of iron enhancing the activity of anaerobic ammonia oxidation bacteria, improving the living environment, and strengthening the formation and stability of granular sludge. The aim is to provide theoretical guidance for improving the activity of anaerobic ammonia oxidation bacteria and achieving the application of anaerobic ammonia oxidation technology.
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Key words:
- ferrous /
- ANAMMOX /
- enhancement /
- metabolism /
- granular sludge
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