有机物对ANAMMOX性能及微生物影响的研究进展

X703; 厌氧氨氧化工艺(ANAMMOX)是高效低耗的可持续生物脱氮技术,但厌氧氨氧化菌(AnAOB)世代周期长、对环境因子敏感,有机物作为污水中最常见的物质,对ANAMMOX脱氮有较为复杂的影响.综述了有机物类型、有机物浓度对ANAMMOX脱氮性能及对功能微生物的影响并探讨了原因.有机物分子质量越小、结构越简单,对厌氧氨氧化细菌的影响越显著.在低有机物浓度条件下,AnAOB具有利用简单有机物的多样代谢途径.适当的C/N可促进反硝化菌与AnAOB协同共生,在一定程度上促进AnAOB生长.高浓度有机物易导致反硝化菌占优势,与AnAOB竞争基质,甚至会改变AnAOB正常的代谢途径.醇类对AnAO...

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Published in工业水处理 Vol. 44; no. 2; pp. 39 - 47
Main Authors 骆子琛, 李星燃, 王建芳
Format Journal Article
LanguageChinese
Published 城市生活污水资源化利用技术国家地方联合工程实验室,江苏苏州 215009 01.02.2024
苏州科技大学天平学院,江苏苏州 215009
苏州科技大学环境科学与工程学院,江苏苏州 215009%苏州科技大学天平学院,江苏苏州 215009%苏州科技大学环境科学与工程学院,江苏苏州 215009
江苏高校水处理技术与材料协同创新中心,江苏苏州 215009
Subjects
微生物种类
代谢途径
有机物
anaerobic ammonia oxidizing bacteria
microbial species
organic matter
厌氧氨氧化菌
metabolic pathways
Online AccessGet full text
ISSN1005-829X
DOI10.19965/j.cnki.iwt.2022-1193

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Abstract X703; 厌氧氨氧化工艺(ANAMMOX)是高效低耗的可持续生物脱氮技术,但厌氧氨氧化菌(AnAOB)世代周期长、对环境因子敏感,有机物作为污水中最常见的物质,对ANAMMOX脱氮有较为复杂的影响.综述了有机物类型、有机物浓度对ANAMMOX脱氮性能及对功能微生物的影响并探讨了原因.有机物分子质量越小、结构越简单,对厌氧氨氧化细菌的影响越显著.在低有机物浓度条件下,AnAOB具有利用简单有机物的多样代谢途径.适当的C/N可促进反硝化菌与AnAOB协同共生,在一定程度上促进AnAOB生长.高浓度有机物易导致反硝化菌占优势,与AnAOB竞争基质,甚至会改变AnAOB正常的代谢途径.醇类对AnAOB有较强的不可逆抑制作用,抗生素和酚类的抑制效果往往是可逆的.Candidatus Brocadia和Candidatus Jettenia对有机物具有相对较好的适应性.理解有机物对AnAOB的影响,可为ANAMMOX的工艺设计和工程应用提供重要参考.
AbstractList X703; 厌氧氨氧化工艺(ANAMMOX)是高效低耗的可持续生物脱氮技术,但厌氧氨氧化菌(AnAOB)世代周期长、对环境因子敏感,有机物作为污水中最常见的物质,对ANAMMOX脱氮有较为复杂的影响.综述了有机物类型、有机物浓度对ANAMMOX脱氮性能及对功能微生物的影响并探讨了原因.有机物分子质量越小、结构越简单,对厌氧氨氧化细菌的影响越显著.在低有机物浓度条件下,AnAOB具有利用简单有机物的多样代谢途径.适当的C/N可促进反硝化菌与AnAOB协同共生,在一定程度上促进AnAOB生长.高浓度有机物易导致反硝化菌占优势,与AnAOB竞争基质,甚至会改变AnAOB正常的代谢途径.醇类对AnAOB有较强的不可逆抑制作用,抗生素和酚类的抑制效果往往是可逆的.Candidatus Brocadia和Candidatus Jettenia对有机物具有相对较好的适应性.理解有机物对AnAOB的影响,可为ANAMMOX的工艺设计和工程应用提供重要参考.
Abstract_FL The anaerobic ammonia oxidation(ANAMMOX)process is recognized by the industry as an efficient and low-consumption sustainable biological nitrogen removal technology.However,anaerobic ammonia oxidizing bacte-ria(AnAOB)have long growth period of generations and are sensitive to environmental factors.Organic matter,as the most common material in wastewater,has a more complex effect on the ANAMMOX process for nitrogen re-moval.It reviewed the effects of organic substance type,organic substance concentration on the nitrogen removal performance of the ANAMMOX process,functional microorganisms and its reasons.The smaller the molecular weight of the organic substance type and the simpler the structure were,the more significant effect on AnAOB was.Under low organic substance concentration conditions,AnAOB had a diverse metabolic pathway that utilized simple organics.Appropriate C/N promoted synergistic symbiosis between denitrifying bacteria and AnAOB,which could promote AnAOB growth to some extent.High concentrations of organics tended to cause denitrifying bacteria to dominate and compete with AnAOB for substrate,and could even alter the normal metabolic pathways of AnAOB.Alcohols had a strong irreversible inhibitory effect on AnAOB,and the inhibitory effect of antibiotics and phenols tended to be reversible.Candidatus Brocadia and Candidatus Jettenia had relatively good adaptability to organic substance.Understanding the effect of organics on AnAOB could provide important reference for process design and engineering applications of ANAMMOX.
Author 王建芳
李星燃
骆子琛
AuthorAffiliation 苏州科技大学环境科学与工程学院,江苏苏州 215009%苏州科技大学天平学院,江苏苏州 215009%苏州科技大学环境科学与工程学院,江苏苏州 215009;苏州科技大学天平学院,江苏苏州 215009;城市生活污水资源化利用技术国家地方联合工程实验室,江苏苏州 215009;江苏高校水处理技术与材料协同创新中心,江苏苏州 215009
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Author_FL LI Xingran
LUO Zichen
WANG Jianfang
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DocumentTitle_FL Advances in the study of organic matter effects on ANAMMOX performance and its microorganisms
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Keywords 微生物种类
代谢途径
有机物
anaerobic ammonia oxidizing bacteria
microbial species
organic matter
厌氧氨氧化菌
metabolic pathways
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苏州科技大学天平学院,江苏苏州 215009
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江苏高校水处理技术与材料协同创新中心,江苏苏州 215009
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