[1]侯锦涛,王敏,成宇,等.铁改性活性炭强化有机物代谢及反硝化脱氮研究[J].中国给水排水,2026,42(5):1-9.
　HOUJintao,WANGMin,CHENGYu,et al.Enhanced Organic Matter Metabolism and Microbial Denitrification by Iron?modified Activated Carbon[J].China Water & Wastewater,2026,42(5):1-9.
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铁改性活性炭强化有机物代谢及反硝化脱氮研究

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第42卷 期数: 2026年第5期 页码: 1-9 栏目: 出版日期: 2026-03-01
Title:
Enhanced Organic Matter Metabolism and Microbial Denitrification by Iron?modified Activated Carbon
作者:
侯锦涛1,2， 王敏3， 成宇2， 孙雨润2,4， 古振澳2,4， 张唯2,4， 楚碧武2,4， 张新波1， 胡承志2,4
（1.天津城建大学 环境与市政工程学院，天津 300384；2.中国科学院生态环境研究中心 区域环境安全全国重点实验室，北京 100085；3.水艺环保集团股份有限公司，浙江 宁波 315300；4.中国科学院大学，北京 100049）
Author(s):
HOU　Jintao1，2， WANG　Min3， CHENG　Yu2， SUN　Yurun2，4， GU　Zhen’ao2，4， ZHANG　Wei2，4， CHU　Biwu2，4， ZHANG　Xinbo1， HU　Chengzhi2，4
（1. School of Environmental and Municipal Engineering， Tianjin Chengjian University， Tianjin 300384， China； 2. State Key Laboratory of Regional Environment and Sustainability， Research Center for Eco-Environmental Sciences， Chinese Academy of Sciences， Beijing 100085， China； 3. Shuiyi Environmental Protection Group Co. Ltd.， Ningbo 315300， China； 4. University of Chinese Academy of Sciences， Beijing 100049， China）
关键词:
铁改性活性炭;  电子传递;  难降解有机物;  深度脱氮;  碳源利用
Keywords:
iron?modified activated carbon;  electron transfer;  refractory organic matter;  advanced nitrogen removal;  carbon source utilization
摘要:
城镇污水的深度脱氮是当前研究热点，利用水中难降解有机物作为反硝化碳源具有重要应用前景。通过制备铁改性活性炭（Fe-GAC）材料，构建Fe-GAC强化活性污泥体系，考察难降解有机物代谢及其在污水脱氮除磷中的作用。结果显示，相比空白活性污泥系统，Fe-GAC系统对TOC、硝态氮和总磷的去除率分别提升了11.67%、25.11%和25.54%，且抗负荷波动能力明显增强。机理分析表明，Fe-GAC具有较好的电子传递性能，明显富集Chthonomonas和Runella等功能菌属，提升微生物碳氮代谢及能量代谢活性。同时，Fe-GAC可促进微生物胞外聚合物（EPS）的分泌，提升内碳源利用效率。该研究为低碳氮比污水深度脱氮工艺开发提供了理论指导与技术支撑。
Abstract:
Advanced nitrogen removal from municipal wastewater is a current research focus,and employing refractory organic matter as internal carbon sources for denitrification holds significant practical potential. In this study, an iron?modified granular activated carbon (Fe-GAC) material was synthesized and introduced into an activated sludge system to investigate the metabolic transformation of refractory organic matter and their roles in nitrogen and phosphorus removal. Compared with the control activated sludge system, the Fe-GAC system exhibited higher removal efficiencies of total organic carbon(TOC), nitrate nitrogen, and total phosphorus (TP), with respective increases of 11.67%, 25.11%, and 25.54%.The Fe-GAC system also demonstrated enhanced resistance to shock loading. Mechanism analysis revealed that Fe-GAC facilitated electron transfer and enriched functional genera such as Chthonomonas and Runella, thereby stimulating microbial carbon-nitrogen metabolism and energy metabolism activities. Moreover, Fe-GAC promoted the secretion of extracellular polymeric substances (EPS), improving the utilization of endogenous carbon sources. This work provides theoretical insights and technical support for developing efficient denitrification processes for low carbon-to-nitrogen ratio wastewater.

相似文献/References:

[1]王波.腐殖酸铁强化异养-自养反硝化性能及机理[J].中国给水排水,2026,42(11):78.
　WANGBo.Performance and Mechanism of Heterotrophic-Autotrophic Denitrification Enhanced by Iron Humate[J].China Water & Wastewater,2026,42(5):78.

更新日期/Last Update: 2026-03-01