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In this study, short-term batch experiment was used to investigate the mechanism of thiocyanate (0~500mg/L) addition on the anammox granular sludge system. The results showed that as the concentration of thiocyanate influent increased, nitrogen removal efficiency of Anammox decreased significantly, and the total nitrogen removal efficiency decreased from 88.6% in the control group to 43.3% (500mg/L thiocyanate); The anammox activity (SAA) also showed a rapid decreasing trend. The non-competitive inhibition model determined the 50% inhibitory concentration (IC50) of thiocyanate on Anammox to be 209.5mg/L. The EPS secreted by Anammox cells increased after the addition of thiocyanate. The PN/PS increased with the rise of the concentration of thiocyanate. The relative abundance of Candidatus Brocadia was significantly decreased after the addition of thiocyanate, while the relative abundance of Thiobacillus increased sharply, and The abundance of microbial functional metabolism pathways appeared to be reduced to different degrees. The research results can provide a theoretical basis for the application of Anammox engineering in treating nitrogenous wastewater containing thiocyanate.

, authors=Pei-yao LI1, Xin ZHOU1, 2, *, authorsList=Pei-yao LI, Xin ZHOU, authorCompany=null, correspAuthors=Xin ZHOU, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1314918271585976605, articleId=1314918270768087323, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=硫氰酸盐胁迫下Anammox颗粒污泥脱氮响应机制, columnId=1234106386565624579, journalTitle=中国环境科学, columnName=水污染与控制, runingTitle=null, highlight=null, articleAbstract=

采用短期批量实验探究了SCN-(0~500mg/L)添加下对厌氧氨氧化(Anammox)颗粒污泥系统的影响机制.结果表明:随着进水SCN-浓度的提高,Anammox脱氮效率显著下降,总氮去除率从对照组的88.6%降至43.3%(500mg/L SCN-);厌氧氨氧化活性(SAA)也呈现出快速下降趋势.非竞争型抑制模型确定了SCN-对Anammox半抑制浓度(IC50)为209.5mg/L.添加SCN-后Anammox细胞分泌的EPS增高.PN/PS随着SCN-增加而上升;SCN-添加后,Candidatus Brocadia相对丰度明显降低,而Thiobacillus相对丰度急剧增高,微生物功能代谢途径丰度出现不同程度下降.研究结果可为处理含SCN-的含氮废水Anammox工程应用提供理论基础.

, authors=李佩瑶1, 周鑫1, 2, *, authorsList=李佩瑶, 周鑫, authorCompany=null, correspAuthors=周鑫, authorNote=

李佩瑶(2000-),女,山西运城人,太原理工大学硕士研究生,研究方向为SCN-对厌氧氨氧化的影响机制.发表论文1篇..

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李佩瑶(2000-),女,山西运城人,太原理工大学硕士研究生,研究方向为SCN-对厌氧氨氧化的影响机制.发表论文1篇..

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李佩瑶(2000-),女,山西运城人,太原理工大学硕士研究生,研究方向为SCN-对厌氧氨氧化的影响机制.发表论文1篇..

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硫氰酸盐胁迫下Anammox颗粒污泥脱氮响应机制
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李佩瑶 1 , 周鑫 1, 2, *
中国环境科学 | 水污染与控制 2025,45(10): 5500-5508
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中国环境科学 |水污染与控制 2025 , 45 (10) : 5500 -5508
硫氰酸盐胁迫下Anammox颗粒污泥脱氮响应机制
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李佩瑶1 , 周鑫1, 2, *
作者信息
  • 1.太原理工大学环境与生态学院,山西 晋中 030600
  • 2.山西省污水高效治理技术创新中心,山西 太原 030000
通讯作者:
* 责任作者,教授,
作者简介:

李佩瑶(2000-),女,山西运城人,太原理工大学硕士研究生,研究方向为SCN-对厌氧氨氧化的影响机制.发表论文1篇..

Response mechanism of nitrogen removal in Anammox granular sludge under thiocyanate stress
Pei-yao LI1 , Xin ZHOU1, 2, *
Affiliations
  • 1.College of Environment and Ecology, Taiyuan University of Technology, Jinzhong 030600, China
  • 2.Innovation Center for Efficient Wastewater Treatment Technology of Shanxi, Taiyuan 030000, China
出版时间: 2025-10-20
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采用短期批量实验探究了SCN-(0~500mg/L)添加下对厌氧氨氧化(Anammox)颗粒污泥系统的影响机制.结果表明:随着进水SCN-浓度的提高,Anammox脱氮效率显著下降,总氮去除率从对照组的88.6%降至43.3%(500mg/L SCN-);厌氧氨氧化活性(SAA)也呈现出快速下降趋势.非竞争型抑制模型确定了SCN-对Anammox半抑制浓度(IC50)为209.5mg/L.添加SCN-后Anammox细胞分泌的EPS增高.PN/PS随着SCN-增加而上升;SCN-添加后,Candidatus Brocadia相对丰度明显降低,而Thiobacillus相对丰度急剧增高,微生物功能代谢途径丰度出现不同程度下降.研究结果可为处理含SCN-的含氮废水Anammox工程应用提供理论基础.

硫氰酸盐  /  厌氧氨氧化  /  抑制动力学  /  胞外聚合物  /  微生物群落

In this study, short-term batch experiment was used to investigate the mechanism of thiocyanate (0~500mg/L) addition on the anammox granular sludge system. The results showed that as the concentration of thiocyanate influent increased, nitrogen removal efficiency of Anammox decreased significantly, and the total nitrogen removal efficiency decreased from 88.6% in the control group to 43.3% (500mg/L thiocyanate); The anammox activity (SAA) also showed a rapid decreasing trend. The non-competitive inhibition model determined the 50% inhibitory concentration (IC50) of thiocyanate on Anammox to be 209.5mg/L. The EPS secreted by Anammox cells increased after the addition of thiocyanate. The PN/PS increased with the rise of the concentration of thiocyanate. The relative abundance of Candidatus Brocadia was significantly decreased after the addition of thiocyanate, while the relative abundance of Thiobacillus increased sharply, and The abundance of microbial functional metabolism pathways appeared to be reduced to different degrees. The research results can provide a theoretical basis for the application of Anammox engineering in treating nitrogenous wastewater containing thiocyanate.

thiocyanate  /  Anammox  /  inhibitory kenetics  /  EPS  /  microbial community
李佩瑶, 周鑫. 硫氰酸盐胁迫下Anammox颗粒污泥脱氮响应机制. 中国环境科学, 2025 , 45 (10) : 5500 -5508 .
Pei-yao LI, Xin ZHOU. Response mechanism of nitrogen removal in Anammox granular sludge under thiocyanate stress[J]. China Environmental Science, 2025 , 45 (10) : 5500 -5508 .
  • 国家自然科学基金资助项目(21607111)
  • 山西省专利转化计划资助项目(202401011)
  • 山西省基础研究计划项目(202403021221049)
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  • 接收时间:2025-03-12
  • 首发时间:2026-10-08
  • 出版时间:2025-10-20
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  • 收稿日期:2025-03-12
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国家自然科学基金资助项目(21607111)
山西省专利转化计划资助项目(202401011)
山西省基础研究计划项目(202403021221049)
作者信息
    1.太原理工大学环境与生态学院,山西 晋中 030600
    2.山西省污水高效治理技术创新中心,山西 太原 030000

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2种不同金属材料的力学参数
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属
Genus
种数
Number of
species
占总种数比例
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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