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Nitrifying and denitrifying bacteria in aerobic granules formed in sequencing batch airlift reactors

WANG Fang, YANG Fenglin, QI Aijiu

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 184-189 doi: 10.1007/s11783-007-0032-2

Abstract: The purpose of this study was to investigate nitrifying bacteria and denitrifying bacteria isolated fromaerobic granules.Bacteria were isolated and determined from aerobic granules using selected media.The growth properties and morphology of bacteria colonies were observed by controlling aerobic or anaerobicIt was found that bacteria in aerobic granules were diverse and some of them were facultative aerobes
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LYX: A novel aerobic bacterium with advantage of removing nitrate high effectively by assimilation and

Yuxin Li, Jiayin Ling, Pengcheng Chen, Jinliang Chen, Ruizhi Dai, Jinsong Liao, Jiejing Yu, Yanbin Xu

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1349-3

Abstract: Abstract • Pseudomonas mendocina was first reported for aerobic nitrate removal. • It removed 90% ofNO3−-N in 24 h under aerobic conditions. • This strain converted NO3−-N to bio-nitrogen (37.9%) andAt the same time, four key genes (napA, nirK, norB and nosZ) related to nitrate nitrogen removal werethe denitrification process of P. mendocina LYX, in which the transcription level of the indicator genesof this aerobic denitrifying bacterium (napA) was the highest.

Keywords： Pseudomonas mendocina     Aerobic nitrate removal     15N tracing technique     Denitrification assimilativelyand disimilatively     Aerobic denitrifying genes    

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Environmental effects and risk control of antibiotic resistance genes in the organic solid waste aerobic

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1415-5

Abstract:

• ARGs were detected in livestock manure, sludge, food waste and fermentation dregs.

Keywords： Antibiotic resistance genes     Organic solid waste     Aerobic composting     Livestock manure     Sludge    

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Influence of hydraulic retention time on behavior of antibiotics and antibiotic resistance genes in aerobic

Jie Liao, Chaoxiang Liu, Lin Liu, Jie Li, Hongyong Fan, Jiaqi Ye, Zhichao Zeng

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 3, doi: 10.1007/s11783-019-1115-6

Abstract: >

Longer HRT may have increased relative abundances of ARGs in aerobic

Keywords： Aerobic granules     Swine wastewater     Tetracyclines     Fluoroquinolones     Sulfonamides    

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The Performances of Aerobic and Anaerobic Phosphorus Uptak e and theCharacters of Microorganism in MB

Wu Jian,Wang Shihe

Strategic Study of CAE 2007, Volume 9, Issue 11,   Pages 191-195

Abstract: This report studies the performances of aerobic and anaerobic phosphorus uptake and the characters ofThere are a great deal of DPB which make use of NOx-N as electron acceptor to have denitrifying phosphorusThe average rate of aerobic phosphorus uptake is 2. 30mgP·gMLSS-1·h-1

Keywords： aerobic phosphorus uptake     denitrifying phosphorus removal     phosphate accumulating organisms(PAOs)     electron    

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Effect of different carbon sources on performance of an A

Dongliang Du, Chuanyi Zhang, Kuixia Zhao, Guangrong Sun, Siqi Zou, Limei Yuan, Shilong He

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 2, doi: 10.1007/s11783-017-0981-z

Abstract: Effect of different carbon sources on purification performance and change of microbial community structure in a novel A N-MBR process were investigated. The results showed that when fed with acetate, propionate or acetate and propionate mixed (1:1) as carbon sources, the effluent COD, NH -N, TN and TP were lower than 30, 5, 15 and 0.5 mg·L , respectively. However, taken glucose as carbon source, the TP concentration of effluent reached 2.6 mg·L . Process analysis found that the amount of anaerobic phosphorus release would be the key factor to determine the above effectiveness. The acetate was beneficial to the growth of associated with biological phosphorus removal, which was the main cause of high efficiency phosphorus removal in this system. In addition, it could eliminate the associated with glycogen-accumulating organisms and guarantee high efficiency phosphorus uptake of phosphorus accumulating organisms in the system with acetate as carbon source.

Keywords： Denitrifying phosphorus removal     Alternate anaerobic/anoxic-aerobic MBR (A2N-MBR)     Carbon source    

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Effect of denitrifying bacteria on the electrochemical reaction of activated carbon fiber in electrochemical

YING Diwen, JIA Jinping, ZHANG Lehua

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 3,   Pages 305-310 doi: 10.1007/s11783-007-0051-z

Abstract: An electrochemical-activated denitrifying biofilm system consisting of activated carbon fiber electrodesimmobilized with denitrifying bacteria film as cathode was studied.A revised model for an electrochemical-activated denitrifying biofilm was developed and validated byconsumption rate were introduced to verify the rate of electrochemical reaction and the activity of denitrifyingActivated carbon fiber (ACF) electrode was also found to be more suitable to the electrochemical denitrifying

Keywords： ACF     apparent exchange     hydrogen molecule     activated     biological process    

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Toxic effect of sodium perfluorononyloxy-benzenesulfonate on in aerobic denitrification, cell structure

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-021-1391-9

Abstract:

• OBS inhibited the growth of P. stutzeri and destroyed its structure.

Keywords： Sodium perfluorononyloxy-benzenesulfonate     Aerobic denitrification     Pseudomonas stutzeri     Ecotoxicity    

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Optimization of thermophilic anaerobic-aerobic treatment system for Palm Oil Mill Effluent (POME)

Yijing CHAN,Meifong CHONG,Chunglim LAW

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 334-351 doi: 10.1007/s11783-014-0626-4

Abstract: Optimization of an integrated anaerobic-aerobic bioreactor (IAAB) treatment system for the reductioncompartment (OLR ) and mixed liquor volatile suspended solids (MLVSS) concentration in anaerobic (MLVSS ) and aerobicdetermined as OLR of 15.6 g COD·L ·d , MLVSS of 43100 mg·L , and MLVSS of 18600 mg·L , where high aerobic

Keywords： palm oil mill effluent (POME)     anaerobic     aerobic     thermophilic     biogas     optimization    

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Online control of biofilm and reducing carbon dosage in denitrifying biofilter: pilot and full-scale

Xiuhong Liu, Hongchen Wang, Qing Yang, Jianmin Li, Yuankai Zhang, Yongzhen Peng

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 1, doi: 10.1007/s11783-017-0895-9

Abstract: Denitrifying biofilter (DNBF) is widely used for advanced nitrogen removal in the reclaimed wastewater

Keywords： Reclaimed water treatment     Denitrifying biofilter     Carbon dosage     Backwash control    

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Metagenomic analysis on resistance genes in water and microplastics from a mariculture system

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 1,   Pages 4-4 doi: 10.1007/s11783-021-1438-y

Abstract: Mariculture systems have been observed to host microplastics and antibiotic resistance genes (ARGs).However, more information on proliferation of ARGs and metal resistance genes (MRGs) in mariculture system

Keywords： Antibiotic resistance genes     Metal resistance genes     Metagenomic analysis     Microplastics     Mariculture    

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Characteristics of night soil and leaf co-composting using aerobic static method

Xiaojie SUN, Dunqiu WANG, Wenjing LU, Hongtao WANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 3,   Pages 421-427 doi: 10.1007/s11783-011-0380-9

Abstract: purpose of this work is to investigate the characteristics of night soil and leaf co-composting using aerobic

Keywords： night soil     leaf     aerobic compost     aeration rate     aeration pattern    

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Scaling up a novel denitrifying microbial fuel cell with an oxic-anoxic two stage biocathode

Peng LIANG, Jincheng WEI, Ming LI, Xia HUANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 913-919 doi: 10.1007/s11783-013-0583-3

Abstract: A scaled up microbial fuel cell (MFC) of a 50 L volume was set up with an oxic-anoxic two-stage biocathode and activated semicoke packed electrodes to achieve simultaneous power generation and nitrogen and organic matter removals. An average maximum power density of 43.1 W·m was obtained in batch operating mode. By adjusting the two external resistances, the denitrification in the A-MFC and power production in the O-MFC could be enhanced. In continuous mode, when the hydraulic retention times were set at 6 h, 8 h and 12 h, the removal efficiencies of COD, and total nitrogen (TN) were higher than 95%, 97%, and 84%, respectively. Meanwhile the removal loads for COD, and TN were10, 0.37 and 0.4 kg·(m ·d) , respectively.

Keywords： microbial fuel cell (MFC)     oxic-anoxic two stage biocathode     denitrifying    

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Aerobic granulation of pure bacterial strain

ADAV Sunil S., LEE Duu-Jong

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4,   Pages 461-467 doi: 10.1007/s11783-008-0066-0

Abstract: The objective of this study is to cultivate aerobic granules by pure bacterial strain, , in a sequencing

Keywords： following     excellent settling     phenol/     sequencing     microscopic    

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Nitrogen-retaining property of compost in an aerobic thermophilic composting reactor for the sanitary

Fan BAI, Xiaochang WANG,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 2,   Pages 228-234 doi: 10.1007/s11783-010-0022-7

Abstract: Aerobic composting is a method for the sanitary disposal of human feces as is used in bio-toilet systemsIn this study, batch experiments were conducted using a closed aerobic thermophilic composting reactor

Keywords： nitrogen retention     composting reactor     human feces     aerobic     thermophilic     fertilizer    

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Title Author Date Type Operation

Nitrifying and denitrifying bacteria in aerobic granules formed in sequencing batch airlift reactors

WANG Fang, YANG Fenglin, QI Aijiu

Journal Article

LYX: A novel aerobic bacterium with advantage of removing nitrate high effectively by assimilation and

Yuxin Li, Jiayin Ling, Pengcheng Chen, Jinliang Chen, Ruizhi Dai, Jinsong Liao, Jiejing Yu, Yanbin Xu

Journal Article

Environmental effects and risk control of antibiotic resistance genes in the organic solid waste aerobic

Journal Article

Influence of hydraulic retention time on behavior of antibiotics and antibiotic resistance genes in aerobic

Jie Liao, Chaoxiang Liu, Lin Liu, Jie Li, Hongyong Fan, Jiaqi Ye, Zhichao Zeng

Journal Article

The Performances of Aerobic and Anaerobic Phosphorus Uptak e and theCharacters of Microorganism in MB

Wu Jian,Wang Shihe

Journal Article

Effect of different carbon sources on performance of an A

Dongliang Du, Chuanyi Zhang, Kuixia Zhao, Guangrong Sun, Siqi Zou, Limei Yuan, Shilong He

Journal Article

Effect of denitrifying bacteria on the electrochemical reaction of activated carbon fiber in electrochemical

YING Diwen, JIA Jinping, ZHANG Lehua

Journal Article

Toxic effect of sodium perfluorononyloxy-benzenesulfonate on in aerobic denitrification, cell structure

Journal Article

Optimization of thermophilic anaerobic-aerobic treatment system for Palm Oil Mill Effluent (POME)

Yijing CHAN,Meifong CHONG,Chunglim LAW

Journal Article

Online control of biofilm and reducing carbon dosage in denitrifying biofilter: pilot and full-scale

Xiuhong Liu, Hongchen Wang, Qing Yang, Jianmin Li, Yuankai Zhang, Yongzhen Peng

Journal Article

Metagenomic analysis on resistance genes in water and microplastics from a mariculture system

Journal Article

Characteristics of night soil and leaf co-composting using aerobic static method

Xiaojie SUN, Dunqiu WANG, Wenjing LU, Hongtao WANG

Journal Article

Scaling up a novel denitrifying microbial fuel cell with an oxic-anoxic two stage biocathode

Peng LIANG, Jincheng WEI, Ming LI, Xia HUANG

Journal Article

Aerobic granulation of pure bacterial strain

ADAV Sunil S., LEE Duu-Jong

Journal Article

Nitrogen-retaining property of compost in an aerobic thermophilic composting reactor for the sanitary

Fan BAI, Xiaochang WANG,

Journal Article