Start-up of anammox in an up-flow anaerobic sludge bed reactor: bacterial community composition and antibiotic resistance genes DOI Creative Commons
Xin Li, Junqin Yao, Yangyang Jia

et al.

Research Square (Research Square), Journal Year: 2024, Volume and Issue: unknown

Published: June 13, 2024

Abstract Anaerobic ammonia oxidation (anammox) is considered a high-efficiency and low-consumption biological nitrogen removal process. In this study, synthetic wastewater was used to start an up-flow anaerobic sludge bed reactor with starting temperature of 20–31℃, subsequently, the activated samples were analyze changes in bacterial community antibiotic resistance genes (ARGs) by metagenomic sequencing. The results showed that reaction successfully started up after 132 days cultivation, achieving NH4+-N NO2−-N rates over 99.5%. Candidatus Kuenenia, anammox bacterium, increased from 0.01 50.86%. denitrifying bacteria Delftia, Acidovorax, Thauera Alicycliphilus decreased 18.70, 8.02, 4.94 4.59% 7.01, 1.77, 3.06 3.96%, respectively. ammonia-oxidizing bacterium Nitrosomonas 2.91 1.87%. After relative abundance ARGs 90.23 64.29 ppm, sulfonamide, macrolide-lincosamide-streptogramin, tetracycline, aminoglycoside multidrug being main types. Additionally, ARG subtypes sul1, msrE tetX decreased, while ermF, sul2 floR increased. These contribute knowledge performance, composition reactor, providing guidance for anammox.

Language: Английский

Achieving high nitrogen and antibiotics removal efficiency by nZVI-C in partial nitritation/anammox system with a single-stage membrane-aerated biofilm reactor DOI

Zixuan Song,

Li Zhang,

Jiachun Yang

et al.

Journal of Hazardous Materials, Journal Year: 2024, Volume and Issue: 473, P. 134626 - 134626

Published: May 15, 2024

Language: Английский

Citations

11
Recovery strategies and mechanisms of anammox reaction following inhibition by environmental factors: A review DOI

Shaopo Wang,

Yu Tian, Yanmeng Bi

et al.

Environmental Research, Journal Year: 2024, Volume and Issue: 252, P. 118824 - 118824

Published: April 6, 2024

Language: Английский

Citations

7
Membrane aeration accelerated nitrifying biofilm formation and optimized spatial niche differentiation in aerobic biofilm-based reactors for enhanced nitrogen removals DOI
Jia Li, Han Wang, Zhenbang Li

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: 506, P. 160297 - 160297

Published: Jan. 1, 2025

Language: Английский

Citations

0
Effects of trimethoprim on activated sludge system: biological nutrient removal and microbial community structure DOI
Xian-Jin Xie, Kangping Cui, Yihan Chen

et al.

Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: unknown, P. 115832 - 115832

Published: Feb. 1, 2025

Language: Английский

Citations

0
Insights into combined stress mechanisms of microplastics and antibiotics on anammox: A critical review DOI

Long Wu,

Xiaonong Zhang,

Da Jin

et al.

Journal of Environmental Management, Journal Year: 2025, Volume and Issue: 380, P. 124947 - 124947

Published: March 12, 2025

Language: Английский

Citations

0
A comprehensive review of antibiotics stress on anammox systems: Mechanisms, applications, and challenges DOI
Zhimin He, Gongduan Fan, Zhi Ping Xu

et al.

Bioresource Technology, Journal Year: 2024, Volume and Issue: unknown, P. 131950 - 131950

Published: Dec. 1, 2024

Language: Английский

Citations

2
Harnessing the Potential of Extracellular Polymeric Substances in Enhancing ANAMMOX Processes: Mechanisms, Strategies, and Perspectives DOI Open Access

Lijing Fan,

Cancan Jiang, Xu Wang

et al.

Water, Journal Year: 2024, Volume and Issue: 16(9), P. 1242 - 1242

Published: April 26, 2024

Anaerobic ammonium oxidation (ANAMMOX) has emerged as a promising sustainable nitrogen removal technology that offers significant advantages over conventional nitrification–denitrification processes, such reduced energy consumption, 60% reduction in oxygen demand, and 90% sludge production. However, the practical application of ANAMMOX is hindered by several challenges, including slow growth bacteria, long start-up periods, high sensitivity to environmental disturbances. Recent studies have highlighted crucial role extracellular polymeric substances (EPSs) formation, activity, stability biofilms granules. An EPS complex mixture high-molecular-weight polymers secreted microorganisms, mainly composed polysaccharides, proteins, nucleic acids, lipids. The diverse physicochemical properties functional groups EPSs enable them serve structural scaffold, protective barrier, sorption site, electron shuttle, nutrient source for bacteria. This review aims provide an overview latest research progress on harnessing potential enhance process. characteristics, compositions, extraction methods ANAMMOX-derived are summarized. mechanisms how facilitate enrichment, immobilization, aggregation, adaptation bacteria elucidated. strategies effects supplementation improving performance robustness reactors under various stresses critically reviewed. challenges future perspectives EPS-mediated optimization process also discussed. sheds new light exploiting renewable bioresource develop more efficient stable applications wastewater treatment.

Language: Английский

Citations

1
Mechanisms of inhibition and recovery under multi-antibiotic stress in anammox: A critical review DOI
Ji Xu, Xiaonong Zhang,

Ting Ju

et al.

Journal of Environmental Management, Journal Year: 2024, Volume and Issue: 370, P. 122754 - 122754

Published: Oct. 3, 2024

Language: Английский

Citations

1
Insights into antibiotics impacts on long-term nitrogen removal performance of anammox process: Mechanisms and mitigation strategies DOI

Yibing He,

Liwen Cao, Samir Ibrahim Gadow

et al.

Journal of environmental chemical engineering, Journal Year: 2024, Volume and Issue: 13(1), P. 115035 - 115035

Published: Dec. 5, 2024

Language: Английский

Citations

1
Start-up of anammox in an up-flow anaerobic sludge bed reactor: bacterial community composition and antibiotic resistance genes DOI Creative Commons
Xin Li, Junqin Yao, Yangyang Jia

et al.

Research Square (Research Square), Journal Year: 2024, Volume and Issue: unknown

Published: June 13, 2024

Abstract Anaerobic ammonia oxidation (anammox) is considered a high-efficiency and low-consumption biological nitrogen removal process. In this study, synthetic wastewater was used to start an up-flow anaerobic sludge bed reactor with starting temperature of 20–31℃, subsequently, the activated samples were analyze changes in bacterial community antibiotic resistance genes (ARGs) by metagenomic sequencing. The results showed that reaction successfully started up after 132 days cultivation, achieving NH4+-N NO2−-N rates over 99.5%. Candidatus Kuenenia, anammox bacterium, increased from 0.01 50.86%. denitrifying bacteria Delftia, Acidovorax, Thauera Alicycliphilus decreased 18.70, 8.02, 4.94 4.59% 7.01, 1.77, 3.06 3.96%, respectively. ammonia-oxidizing bacterium Nitrosomonas 2.91 1.87%. After relative abundance ARGs 90.23 64.29 ppm, sulfonamide, macrolide-lincosamide-streptogramin, tetracycline, aminoglycoside multidrug being main types. Additionally, ARG subtypes sul1, msrE tetX decreased, while ermF, sul2 floR increased. These contribute knowledge performance, composition reactor, providing guidance for anammox.

Language: Английский

Citations

0