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The dominant benthic macroinvertebrate species in eutrophic lakes, Branchiurasowerbyi, and polypropylene (PP)-based membrane aerated biofilm reactor (MABR) were selectedin this study, where based oncontrolled microcosm experiments, we explored the effects of benthic bioturbationon dissolved oxygen (DO) concentration in overlying water, DO infiltration depth in the sediments, and the removal of total organic carbon (TOC), nitrogen (NH4+-N, NO3--N, NO2--N and TN), and phosphorus (PO43--P and TP) by MABR. While the perturbation of B. sowerbyi enhanced Nand Prelease and reduced DO concentrations, the MABR effectively maintained a high level of reoxygenation performance, significantly increasing the DO infiltration depth in the sediments. The removal rates of NH4+-N, TN, and TP remained high at 93.4%, 83.27%, and 90.80%, respectively, demonstrating significant improvements compared to the control group and the B. sowerbyi-only group. Hence, MABR system in removing N and P could effectively cope with the perturbation of B. sowerbyi in eutrophic water bodies.

, authors=Lian-sen DENG, Ya-qun LI, Jie GAO, Xue-song YU, Zi-hao LIANG, Jing-mei YAO*, Le HAN, authorsList=Lian-sen DENG, Ya-qun LI, Jie GAO, Xue-song YU, Zi-hao LIANG, Jing-mei YAO, Le HAN, authorCompany=null, correspAuthors=Jing-mei YAO, 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=1314922152944558268, articleId=1314922152478990522, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=苏氏尾鳃蚓扰动下膜曝气生物膜对富营养化水体氮磷去除的研究, columnId=1234106386565624579, journalTitle=中国环境科学, columnName=水污染与控制, runingTitle=null, highlight=null, articleAbstract=

选取富营养化湖泊的优势底栖物种—苏氏尾鳃蚓(Branchiurasowerbyi)与材质为聚丙烯(PP)的曝气膜组件,构建微宇宙实验,研究底栖动物扰动下,膜曝气生物膜(MABR)对上覆水溶解氧(DO)浓度、沉积物DO渗透深度以及上覆水总有机碳(TOC)和氮磷去除的影响.结果表明,在苏氏尾鳃蚓扰动增加氮磷释放且降低DO的情况下,MABR仍能较好地维持上覆水水质和复氧效果,沉积物DO渗透深度显著增加,上覆水氨氮(NH4+-N)、总氮(TN)及总磷(TP)的去除效果仍能维持较高水平(去除率分别为93.4%、83.27%和90.80%).MABR去除水体氮磷的工艺系统能有效应对自然水体中苏氏尾鳃蚓的扰动.

, authors=邓连森, 李亚群, 高杰, 于雪松, 梁梓豪, 姚婧梅*, 韩乐, authorsList=邓连森, 李亚群, 高杰, 于雪松, 梁梓豪, 姚婧梅, 韩乐, authorCompany=null, correspAuthors=姚婧梅, authorNote=

邓连森(2001-),男,重庆人,重庆大学硕士研究生,主要从事水生态修复研究..

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* 责任作者,副教授,
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邓连森(2001-),男,重庆人,重庆大学硕士研究生,主要从事水生态修复研究..

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邓连森(2001-),男,重庆人,重庆大学硕士研究生,主要从事水生态修复研究..

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苏氏尾鳃蚓扰动下膜曝气生物膜对富营养化水体氮磷去除的研究
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邓连森 , 李亚群 , 高杰 , 于雪松 , 梁梓豪 , 姚婧梅 * , 韩乐
中国环境科学 | 水污染与控制 2026,46(2): 707-714
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中国环境科学 |水污染与控制 2026 , 46 (2) : 707 -714
苏氏尾鳃蚓扰动下膜曝气生物膜对富营养化水体氮磷去除的研究
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邓连森 , 李亚群, 高杰, 于雪松, 梁梓豪, 姚婧梅* , 韩乐
作者信息
  • 重庆大学,三峡库区生态环境教育部重点实验室,重庆 400045
通讯作者:
* 责任作者,副教授,
作者简介:

邓连森(2001-),男,重庆人,重庆大学硕士研究生,主要从事水生态修复研究..

The degradation mechanisms of nitrogen and phosphorus in eutrophic water by MABR under the bioturbation of Branchiurasowerbyi
Lian-sen DENG , Ya-qun LI, Jie GAO, Xue-song YU, Zi-hao LIANG, Jing-mei YAO* , Le HAN
Affiliations
  • Key Laboratory of Ecological Environment in the Three Gorges Reservoir Area, Chongqing University, Chongqing 400045, China
出版时间: 2026-02-20
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选取富营养化湖泊的优势底栖物种—苏氏尾鳃蚓(Branchiurasowerbyi)与材质为聚丙烯(PP)的曝气膜组件,构建微宇宙实验,研究底栖动物扰动下,膜曝气生物膜(MABR)对上覆水溶解氧(DO)浓度、沉积物DO渗透深度以及上覆水总有机碳(TOC)和氮磷去除的影响.结果表明,在苏氏尾鳃蚓扰动增加氮磷释放且降低DO的情况下,MABR仍能较好地维持上覆水水质和复氧效果,沉积物DO渗透深度显著增加,上覆水氨氮(NH4+-N)、总氮(TN)及总磷(TP)的去除效果仍能维持较高水平(去除率分别为93.4%、83.27%和90.80%).MABR去除水体氮磷的工艺系统能有效应对自然水体中苏氏尾鳃蚓的扰动.

富营养化水体  /  生物扰动  /  苏式尾鳃蚓  /  膜曝气生物膜  /  氮磷去除

The dominant benthic macroinvertebrate species in eutrophic lakes, Branchiurasowerbyi, and polypropylene (PP)-based membrane aerated biofilm reactor (MABR) were selectedin this study, where based oncontrolled microcosm experiments, we explored the effects of benthic bioturbationon dissolved oxygen (DO) concentration in overlying water, DO infiltration depth in the sediments, and the removal of total organic carbon (TOC), nitrogen (NH4+-N, NO3--N, NO2--N and TN), and phosphorus (PO43--P and TP) by MABR. While the perturbation of B. sowerbyi enhanced Nand Prelease and reduced DO concentrations, the MABR effectively maintained a high level of reoxygenation performance, significantly increasing the DO infiltration depth in the sediments. The removal rates of NH4+-N, TN, and TP remained high at 93.4%, 83.27%, and 90.80%, respectively, demonstrating significant improvements compared to the control group and the B. sowerbyi-only group. Hence, MABR system in removing N and P could effectively cope with the perturbation of B. sowerbyi in eutrophic water bodies.

eutrophic water  /  bioturbation  /  Branchiurasowerbyi  /  MABR  /  nitrogen and phosphorus removal
邓连森, 李亚群, 高杰, 于雪松, 梁梓豪, 姚婧梅, 韩乐. 苏氏尾鳃蚓扰动下膜曝气生物膜对富营养化水体氮磷去除的研究. 中国环境科学, 2026 , 46 (2) : 707 -714 .
Lian-sen DENG, Ya-qun LI, Jie GAO, Xue-song YU, Zi-hao LIANG, Jing-mei YAO, Le HAN. The degradation mechanisms of nitrogen and phosphorus in eutrophic water by MABR under the bioturbation of Branchiurasowerbyi[J]. China Environmental Science, 2026 , 46 (2) : 707 -714 .
  • 国家自然科学基金资助项目(52470176)
  • 重庆市水利科技项目(CQSLK-2023030)
  • 新重庆青年创新人才项目(CSTB2024NSCQ-QCXMX0019)
  • 重庆市研究生科研创新项目(CYS240064)
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  • 接收时间:2025-06-12
  • 首发时间:2026-10-08
  • 出版时间:2026-02-20
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  • 收稿日期:2025-06-12
基金
国家自然科学基金资助项目(52470176)
重庆市水利科技项目(CQSLK-2023030)
新重庆青年创新人才项目(CSTB2024NSCQ-QCXMX0019)
重庆市研究生科研创新项目(CYS240064)
作者信息
    重庆大学,三峡库区生态环境教育部重点实验室,重庆 400045

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* 责任作者,副教授,
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
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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