摘要
实现厌氧氨氧化菌(AnAOB)的快速颗粒化,有利于厌氧氨氧化(Anammox)工艺的更广泛应用。本研究旨在评估磁性生物质炭(MBC)在促进厌氧氨氧化菌颗粒化过程和提升厌氧氨氧化脱氮效能中的作用。试验通过比较投加MBC和未投加MBC的两只升流式厌氧氨氧化污泥床反应器的运行效果,研究MBC对厌氧氨氧化菌颗粒化过程和反应器运行状况的影响。结果表明,MBC的投加提升了厌氧氨氧化系统脱氮性能,总氮去除效率较空白组提高11.4%;同时MBC促进了AnAOB的颗粒化进程和浮霉菌门(Planctomycetes)的迅速富集,投加组反应器大于0.5 mm的颗粒污泥占比86.4%,而对照组为57.6%。研究结果为快速培养AnAOB颗粒污泥和提升Anammox反应器的脱氮性能提供了可行技术路径。
The rapid granulation of anaerobic ammonia oxidizing bacteria(AnAOB)is beneficial for the wider application of anaerobic ammonia oxidation(Anammox)process.The aim of this study is to evaluate the role of magnetic biomass carbon(MBC)in promoting the granulation process of anaerobic ammonia oxidizing bacteria and enhancing the efficiency of anaerobic ammonia oxidation denitrification.The experiment compared the operating effects of two upflow anaerobic ammonia oxidation sludge bed reactors with and without MBC,and studied the influence of MBC on the granulation process of anaerobic ammonia oxidizing bacteria and the operating conditions of the reactors.The results showed that the addition of MBC improves the denitrification performance of the anaerobic ammonia oxidation system,and the TN removal efficiency increases by 11.4%compareds to the blank group.At the same time,MBC promoted the granulation process of AnAOB and the rapid enrichment of Planctomycetes.The proportion of granular sludge larger than 0.5 mm in the addition group reactor was 86.4%,while that in the control group was 57.6%.The research results provide a feasible technical pathway for rapidly cultivating AnAOB granular sludge and improving the denitrification performance of Anammox reactors.
作者
仓立坤
徐辉
刘方剑
杨波
CANG Likun;XU Hui;LIU Fangjian;YANG Bo(College of Environmental Science and Engineering,Donghua University,Shanghai)
出处
《东华大学学报(自然科学版)》
北大核心
2026年第1期56-63,共8页
Journal of Donghua University(Natural Science)
基金
上海市科技发展基金(24PJA003)。
关键词
厌氧氨氧化菌
磁性生物质炭
脱氮性能
颗粒化
anaerobic ammonia oxidizing bacteria
magnetic biomass carbon
denitrification performance
granulation
