Advanced carrier materials for anammox in wastewater nitrogen removal

Next Materials Pub Date : 2024-09-20 DOI:10.1016/j.nxmate.2024.100380

Dexin Su , Weifang Zhang , Yupeng Chen

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Abstract

The management of nitrogen (N) pollutants in wastewater is a critical issue that must not be ignored, given that excessive nitrogen can have detrimental effects on both human health and the environment. Anaerobic ammonia oxidation (Anammox) is a highly efficient and energy-saving technology for N removal, attracting considerable attention in the field. Due to the properties of Anammox bacteria (AnAOB), such as a lengthy growth cycle, strict growth condition requirements, and vulnerability to loss with water flow, the application of Anammox is limited. The use of carrier-based biofilm immobilization is regarded as a feasible strategy for the preserving and protecting of AnAOB. This paper reviews the current research status of carriers for Anammox, focusing on typical carrier materials, comparison of different carrier materials, and improvement of carrier materials, aiming to promote the application of Anammox. The future development direction of this field is also anticipated.

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用于废水脱氮的先进厌氧载体材料

废水中氮（N）污染物的管理是一个不容忽视的关键问题，因为过量的氮会对人类健康和环境造成有害影响。厌氧氨氧化（Anammox）是一种高效节能的脱氮技术，在该领域备受关注。由于厌氧氨氧化细菌（AnAOB）具有生长周期长、生长条件要求严格、易随水流流失等特性，其应用受到限制。使用基于载体的生物膜固定技术被认为是保存和保护 AnAOB 的可行策略。本文综述了 Anammox 载体的研究现状，重点介绍了典型的载体材料、不同载体材料的比较以及载体材料的改进，旨在促进 Anammox 的应用。同时还展望了该领域未来的发展方向。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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