[1]郑蕊,王悦,张韫,等.基于厌氧氨氧化的AO-MBR工艺处理猪场污水中试[J].中国给水排水,2025,41(19):133-140.
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基于厌氧氨氧化的AO-MBR工艺处理猪场污水中试

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第41卷 期数: 2025年第19期 页码: 133-140 栏目: 出版日期: 2025-10-01
Title:
Pilot-scale Testing of Anammox-oriented AO-MBR Process for Treatment of Swine Wastewater
作者:
郑蕊1,2， 王悦1， 张韫2， 隋倩雯3
（1.中国农业科学院农业环境与可持续发展研究所 农业农村部设施农业节能与废弃物处理重点实验室，北京 100081；2.安平县弘嘉环保技术有限公司，河北 衡水 053600；3.中国科学院生态环境研究中心 水污染控制实验室，北京 100085）
Author(s):
ZHENG　Rui1，2， WANG Yue1， ZHANG Yun2， SUI　Qian-wen3
（1. Key Laboratory of Energy Conservation & Waste Management of Agriculture Structures ， Institute of Environment and Sustainable Development in Agriculture， Chinese Academy of Agricultural Sciences， Beijing 100081， China； 2. Anping Hongjia Environmental Protection Technology Co. Ltd.， Hengshui 053600， China； 3. Laboratory of Water Pollution Control， Research Center for Eco-Environmental Sciences， Chinese Academy of Sciences， Beijing 100085， China）
关键词:
猪场污水;  厌氧氨氧化;  膜生物反应器;  高效脱氮;  一体化装置
Keywords:
swine wastewater;  Anammox;  membrane bioreactor;  high-efficient nitrogen removal;  integrated device
摘要:
由于消纳农田有限，畜禽养殖污水无害化处理成为亟须解决的难题。为此，开发了一种一体式污水高效处理中试装置，采用AO-MBR组合工艺实现了碳、氮污染物的高效去除。在AO工艺中，通过一体式亚硝化-厌氧氨氧化反应实现了低碳氮比（COD/TN=1.71）沼液的高效脱氮，NH4+-N和TN去除率分别达到93%和88%；随着进水COD/TN从1.71升至3.34，同时受低温影响，厌氧氨氧化细菌活性降低了约50%，NH4+-N和TN去除率逐步降低。后续的MBR作为水质保障技术进一步削减污染物，AO-MBR组合工艺对COD、NH4+-N和TN的去除率分别达到79%~81%、97%~99%和81%~89%，保证了污染物的稳定去除。尽管厌氧氨氧化菌（Ca. Brocadia和Ca. Kuenenia）相对丰度从2.1%降至0.3%，但仍能维持较高的脱氮活性［0.14 kgN/（kgMLVSS·d）］。另外，随着进水COD的增加，异养菌（Truepera、Denitratisoma、Limnobacter和Thiobacillus）得到富集。该猪场污水处理中试装置可耐受水质波动和低温影响。
Abstract:
Due to the limited availability of farmland for wastewater disposal, the harmless treatment of livestock and poultry breeding wastewater has become an urgent issue that requires immediate attention. To address this challenge, a pilot-scale integrated high-efficiency wastewater treatment system was developed, employing the AO-MBR combined process to achieve effective removal of carbon-and nitrogen-based pollutants. In the AO process, efficient denitrification of biogas slurry with a low carbon-to-nitrogen ratio (COD/TN of 1.71) was achieved through a combined partial nitritation-Anammox reaction, with NH4+-N and TN removal efficiencies reaching 93% and 88%, respectively. When the influent COD/TN ratio increased from 1.71 to 3.34, and under the influence of low temperature, the activity of Anammox bacteria decreased by approximately 50%, leading to a gradual decline in the removal efficiencies of both NH4+-N and TN. The subsequent MBR, serving as a water quality assurance technology, further reduced residual pollutants. The AO-MBR combined process achieved removal efficiencies ranging from 79% to 81% for COD, 97% to 99% for NH4+-N, and 81% to 89% for TN, thereby ensuring consistent and effective pollutants removal. Although the relative abundance of Anammox bacteria, including Ca. Brocadia and Ca. Kuenenia, decreased from 2.1% to 0.3%, these microbial populations still exhibited a considerable level of denitrification activity, maintaining a rate of 0.14 kgN/(kgMLVSS·d). Furthermore, an increase in influent COD led to the enrichment of heterotrophic bacterial genera such as Truepera, Denitratisoma, Limnobacter, and Thiobacillus. The pilot-scale wastewater treatment system implemented at this swine farm demonstrated resilience to variations in influent quality and could effectively operate under low-temperature conditions.

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更新日期/Last Update: 2025-10-01