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学者姓名：彭永臻
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Abstract ：
The direct integration of anammox process into municipal wastewater treatment has caused widespread concern, but the lack of anammox seeds limited its real application. This study successfully cultivated anammox granules (322.0 mu m) from conventional activated sludge treating municipal wastewater. Through ultra -low floc sludge retention times of 8d, nitrifiers on flocs were eliminated and partial nitrification was realized. Furthermore, highly bacteria -enriched granules were initially formed, with Nitrosomonas and Ca. Competibacter 4 -fold higher than that of flocs. Specific staining results revealed the microbial interaction with Ca. Brocadia, considering that Ca. Competibacter and Nitrosomonas correspondingly identified in the inner and outer layers of granules. The percentage of Ca. Brocadia present on the granules increased substantially from 0.0 % to 3.0 %, accompanied by a nitrogen removal rate of 0.3 kg & sdot;m � 3 & sdot;d- 1. Our findings revealed a valuable reference for the anammox bacteria in -situ enrichment under mainstream conditions, which provides theoretical guidance for anammox-based processes practical application.
Keyword ：
Mainstream anammox Mainstream anammox Microbial segregation Microbial segregation Real municipal wastewater Real municipal wastewater Granular sludge Granular sludge Discharging flocs Discharging flocs
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| GB/T 7714 | Feng, Wanyi , Zhang, Qiong , Li, Jialin et al. Novel anammox granules formation from conventional activated sludge for municipal wastewater treatment through flocs management [J]. | BIORESOURCE TECHNOLOGY , 2024 , 396 . |
| MLA | Feng, Wanyi et al. "Novel anammox granules formation from conventional activated sludge for municipal wastewater treatment through flocs management" . | BIORESOURCE TECHNOLOGY 396 (2024) . |
| APA | Feng, Wanyi , Zhang, Qiong , Li, Jialin , Duan, Chenxue , Peng, Yongzhen . Novel anammox granules formation from conventional activated sludge for municipal wastewater treatment through flocs management . | BIORESOURCE TECHNOLOGY , 2024 , 396 . |
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Abstract ：
In this study, a SNAD-SBBR process was implemented to achieve ammonia removal and carbon reduction of mature landfill leachate under extremely low dissolved oxygen conditions (0.051 mg/L) for a continuous operation of 266 days. The process demonstrated excellent removal performance, with ammonia nitrogen removal efficiency reaching 100 %, total nitrogen removal efficiency reaching 87.56 %, and an average removal rate of 0.180 kg/(m(3)center dot d). The recalcitrant organic compound removal efficiency reached 34.96 %. Nitrogen mass balance analysis revealed that the Anammox process contributed to approximately 98.1 % of the nitrogen removal. Candidatus Kuenenia achieved a relative abundance of 1.49 % in the inner layer of the carrier. In the SNAD-SBBR system, the extremely low DO environment created by the highly efficient partial nitrification stage enabled the coexistence of AnAOB, denitrifying bacteria, and Nitrosomonas, synergistically achieving ammonia removal and carbon reduction. Overall, the SNAD-SBBR process exhibits low-cost and high-efficiency characteristics, holding tremendous potential for landfill leachate treatment.
Keyword ：
Mainstream Anammox Mainstream Anammox Landfill leachate Landfill leachate Microbial community Microbial community SNAD SNAD Extremely low DO Extremely low DO
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| GB/T 7714 | Wu, Lina , Yin, Jian , Zhang, Yulin et al. Nitrogen removal and carbon reduction of mature landfill leachate under extremely low dissolved oxygen conditions by simultaneous partial nitrification anammox and denitrification [J]. | BIORESOURCE TECHNOLOGY , 2024 , 401 . |
| MLA | Wu, Lina et al. "Nitrogen removal and carbon reduction of mature landfill leachate under extremely low dissolved oxygen conditions by simultaneous partial nitrification anammox and denitrification" . | BIORESOURCE TECHNOLOGY 401 (2024) . |
| APA | Wu, Lina , Yin, Jian , Zhang, Yulin , Luo, Anteng , Tian, Yinghao , Liu, Yufan et al. Nitrogen removal and carbon reduction of mature landfill leachate under extremely low dissolved oxygen conditions by simultaneous partial nitrification anammox and denitrification . | BIORESOURCE TECHNOLOGY , 2024 , 401 . |
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Abstract ：
A promising technology for partial nitritation/anammox (PN/A) processes to treat ammonium wastewater is integrated fixed-film activated sludge (IFAS). For practical applications, achieving efficient enrichment of anammox bacteria (AnAOB) remains a challenge. In this study, membranes were temporarily used to separate solid and liquid components to induce changes in the mixed liquor suspended solids of the flocs. With membrane separation, AnAOB proliferated rapidly with a seven-fold increase in the maximum specific growth rate (mu) (from 0.009 to 0.072 d-1) and a three-fold increase in the nitrogen removal rate (from 0.91 to 3.20 kg N/(m3 & sdot;d)). Moreover, microbial community analysis showed significant changes in bacterial species richness and diversity with and without membrane separation. Overall, the regulation of flocs significantly influenced the microbial community structure of both flocs and biofilms leading to improved nitrogen removal efficiency in the IFAS-PN/ A system.
Keyword ：
IFAS IFAS Biofilm Biofilm Autotrophic nitrogen removal Autotrophic nitrogen removal Membrane separation Membrane separation Microbial community Microbial community
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| GB/T 7714 | Yang, Mengqi , Li, Jialin , Li, Zhaoyang et al. Enhancing anammox bacteria enrichment in integrated fixed-film activated sludge partial nitritation/anammox process via floc retention control [J]. | BIORESOURCE TECHNOLOGY , 2024 , 391 . |
| MLA | Yang, Mengqi et al. "Enhancing anammox bacteria enrichment in integrated fixed-film activated sludge partial nitritation/anammox process via floc retention control" . | BIORESOURCE TECHNOLOGY 391 (2024) . |
| APA | Yang, Mengqi , Li, Jialin , Li, Zhaoyang , Peng, Yongzhen , Zhang, Liang . Enhancing anammox bacteria enrichment in integrated fixed-film activated sludge partial nitritation/anammox process via floc retention control . | BIORESOURCE TECHNOLOGY , 2024 , 391 . |
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Abstract ：
Introducing carbon sources to achieve nitrogen removal from mature landfill leachate not only increases the costs and carbon emissions but also inhibits the activity of autotrophic bacteria. Thus, this study constructed a double anammox system that combines partial nitrification-anammox (PNA) and endogenous partial denitrificationanammox (EPDA) within an integrated fixed-film activated sludge (IFAS) reactor. In this system, PNA primarily contributes to nitrogen removal pathways, achieving a nitrite accumulation rate of 98.23%. The production of extracellular polymer substances (EPS) in the IFAS reactor is stimulated by introducing co-fermentation liquid. Through the utilization of EPS, the system effectively achieves EPDA with the nitrite transformation rate of 97.20%. Under the intermittent aeration operation strategy, EPDA combined with PNA and anammox in the oxic and anoxic stages enhanced the nitrogen removal efficiency of the system to 99.70 +/- 0.12%. The functional genus Candidatus kuenenia became enriched in biofilm sludge, while Thauera and Nitrosomonas predominated in floc sludge.
Keyword ：
Intermittent aeration Intermittent aeration Extracellular polymeric substances Extracellular polymeric substances Partial nitrification-anammox Partial nitrification-anammox Endogenous partial denitrification-anammox Endogenous partial denitrification-anammox Mature landfill leachate Mature landfill leachate
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| GB/T 7714 | Wang, Zhaozhi , Liang, Haoran , Yan, Ying et al. Stimulating extracellular polymeric substances production in integrated fixed-film activated sludge reactor for advanced nitrogen removal from mature landfill leachate via one-stage double anammox [J]. | BIORESOURCE TECHNOLOGY , 2024 , 391 . |
| MLA | Wang, Zhaozhi et al. "Stimulating extracellular polymeric substances production in integrated fixed-film activated sludge reactor for advanced nitrogen removal from mature landfill leachate via one-stage double anammox" . | BIORESOURCE TECHNOLOGY 391 (2024) . |
| APA | Wang, Zhaozhi , Liang, Haoran , Yan, Ying , Li, Xiyao , Zhang, Qiong , Peng, Yongzhen . Stimulating extracellular polymeric substances production in integrated fixed-film activated sludge reactor for advanced nitrogen removal from mature landfill leachate via one-stage double anammox . | BIORESOURCE TECHNOLOGY , 2024 , 391 . |
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Abstract ：
The stringent effluent quality standards in wastewater treatment plants (WWTPs) can effectively mitigate environmental issues such as eutrophication by reducing the discharge of nutrients into water environments. However, the current wastewater treatment process often struggles to achieve advanced nutrient removal while also saving energy and reducing carbon consumption. The first full-scale anaerobic/aerobic/anoxic (AOA) system was established with a wastewater treatment scale of 40,000 m3/d. Over one year of operation, the average TN and TP concentration in the effluent of 7.53 +/- 0.81 and 0.37 +/- 0.05 mg/L was achieved in low TN/COD (C/ N) ratio (average 5) wastewater treatment. The post-anoxic zones fully utilized the internal carbon source stored in pre-anaerobic zones, removing 41.29 % of TN and 36.25 % of TP. Intracellular glycogen (Gly) and proteins in extracellular polymeric substances (EPS) served as potential drivers for post-anoxic denitrification and phosphorus uptake. The sludge fermentation process was enhanced by the long anoxic hydraulic retention time (HRT) of the AOA system. The relative abundance of fermentative bacteria was 31.66 - 55.83 %, and their fermentation metabolites can provide additional substrates and energy for nutrient removal. The development and utilization of internal carbon sources in the AOA system benefited from reducing excess sludge production, energy conservation, and advanced nutrient removal under carbon-limited. The successful full-scale validation of the AOA process provided a potentially transformative technology with wide applicability to WWTPs.
Keyword ：
Advanced nitrogen removal Advanced nitrogen removal Anaerobic/aerobic/anoxic Anaerobic/aerobic/anoxic Internal carbon sources Internal carbon sources Wastewater treatment Wastewater treatment Energy saving Energy saving Full-scale Full-scale
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| GB/T 7714 | Gao, Xinjie , Zhang, Liang , Liu, Jinjin et al. First application of the novel anaerobic/aerobic/anoxic (AOA) process for advanced nutrient removal in a wastewater treatment plant [J]. | WATER RESEARCH , 2024 , 252 . |
| MLA | Gao, Xinjie et al. "First application of the novel anaerobic/aerobic/anoxic (AOA) process for advanced nutrient removal in a wastewater treatment plant" . | WATER RESEARCH 252 (2024) . |
| APA | Gao, Xinjie , Zhang, Liang , Liu, Jinjin , Zhang, Yong , Peng, Yongzhen . First application of the novel anaerobic/aerobic/anoxic (AOA) process for advanced nutrient removal in a wastewater treatment plant . | WATER RESEARCH , 2024 , 252 . |
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Abstract ：
Removing nitrogen and phosphorus from low ratio of chemical oxygen demand to total nitrogen and temperature municipal wastewater stays a challenge. In this study, a pilot-scale anaerobic/aerobic/anoxic sequencing batch reactor (A/O/A-SBR) system first treated 15 m 3 /d actual municipal wastewater at 8.1 - 26.4 degrees C for 224 days. At the temperature of 15.7 degrees C, total nitrogen in influent and effluent were 45.5 and 10.9 mg/L, and phosphorus in influent and effluent were 3.9 and 0.1 mg/L. 16 s RNA sequencing results showed the relative abundance of Competibacter and Tetrasphaera raised to 1.25 % and 1.52 %. The strategy of excessive, no and normal sludge discharge enriched and balanced the functional bacteria, achieving an endogenous denitrification ratio more than 43.3 %. Sludge reduction and short aerobic time were beneficial to energy saving contrast with a Beijing municipal wastewater treatment. This study has significant implications for the practical application of the AOASBR process.
Keyword ：
Low temperature Low temperature Biological nitrogen and phosphorus removal Biological nitrogen and phosphorus removal Efficient wastewater treatment Efficient wastewater treatment Endogenous denitrification Endogenous denitrification Save energy Save energy
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| GB/T 7714 | Gu, Changkun , Li, Xiyao , Zhang, Shujun et al. Advanced nitrogen and phosphorus removal in pilot-scale anaerobic/ aerobic/anoxic system for municipal wastewater in Northern China [J]. | BIORESOURCE TECHNOLOGY , 2024 , 399 . |
| MLA | Gu, Changkun et al. "Advanced nitrogen and phosphorus removal in pilot-scale anaerobic/ aerobic/anoxic system for municipal wastewater in Northern China" . | BIORESOURCE TECHNOLOGY 399 (2024) . |
| APA | Gu, Changkun , Li, Xiyao , Zhang, Shujun , Li, Jianwei , Gao, Xiaoyu , Chen, Guo et al. Advanced nitrogen and phosphorus removal in pilot-scale anaerobic/ aerobic/anoxic system for municipal wastewater in Northern China . | BIORESOURCE TECHNOLOGY , 2024 , 399 . |
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Abstract ：
The two -sludge anoxic dephosphation (DEPHANOX) process frequently encounters the challenge of elevated effluent ammonia levels in practical applications. In this study, the anaerobic ammonium oxidation (anammox) biofilm was introduced into the DEPHANOX system, transforming it into a three -sludge system, enabling synchronous nitrogen and phosphorus elimination, particularly targeting ammonia. Despite a chemical oxygen demand/total nitrogen ratio of 4.3 +/- 0.8 in the actual municipal wastewater and 4.5 h of aeration, the effluent total nitrogen was 13.7 mg/L, lower than the parallel wastewater treatment plant. Additionally, the effluent ammonia reduced to 5.1 +/- 2.5 mg/L. Notably, denitrifying phosphorus removal and anammox were coupled in the anoxic zone, yielding 74.5 % nitrogen and 87.8 % phosphorus removal. 16S rRNA gene sequencing identified denitrifying phosphorus -accumulating organisms primarily in floc sludge (Saprospiraceae 7.07 %, Anaerolineaceae 1.95 %, Tetrasphaera 1.57 %), while anammox bacteria inhabited the biofilm (Candidatus Brocadia 4.00 %). This study presents a novel process for efficiently treating municipal wastewater.
Keyword ：
Partial denitrification Partial denitrification Anammox Anammox Biological nutrient removal Biological nutrient removal Biofilm Biofilm
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| GB/T 7714 | Gao, Xiaoyu , Zhang, Qiong , Zhang, Shujun et al. Novel three-sludge municipal wastewater treatment process coupling denitrifying phosphorus removal with anaerobic ammonium oxidation [J]. | BIORESOURCE TECHNOLOGY , 2024 , 399 . |
| MLA | Gao, Xiaoyu et al. "Novel three-sludge municipal wastewater treatment process coupling denitrifying phosphorus removal with anaerobic ammonium oxidation" . | BIORESOURCE TECHNOLOGY 399 (2024) . |
| APA | Gao, Xiaoyu , Zhang, Qiong , Zhang, Shujun , Li, Jianwei , Gu, Changkun , Chen, Guo et al. Novel three-sludge municipal wastewater treatment process coupling denitrifying phosphorus removal with anaerobic ammonium oxidation . | BIORESOURCE TECHNOLOGY , 2024 , 399 . |
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Abstract ：
Anaerobic/Aerobic/Anoxic (AnOA) n OA) process utilizes endogenous denitrification to remove nitrogen. However, low endogenous denitrification activity critically restricts its application owing to insufficient carbon sources. In this study, a novel control strategy employing anaerobic/aerobic/anoxic/aerobic/anoxic (AOAOA) mode was introduced to treat low Carbon/Nitrogen (C/N) ratio municipal wastewater over 262 days. The concentration of total inorganic nitrogen (TIN) was only 3.9 +/- 2.0 mg/L in the effluent, with a high nitrogen removal efficiency (NRE) of 94.3 %. The relative abundance of Candidatus Competibacter increased from 1.2 % to 2.3 %, ensuring an efficient endogenous denitrification process. Additionally, Candidatus Brocadia enriched from 0.02 % to 0.6 %, contributing to 63.1 % nitrogen removal during the anoxic stage in Phase III. This study presents a promising approach for enhancing endogenous denitrification and anammox in the AnOA n OA process, contributing to sustainable wastewater treatment.
Keyword ：
Efficient wastewater treatment Efficient wastewater treatment Low C/N ratio Low C/N ratio AOAOA mode AOAOA mode Mainstream Mainstream EPDA system EPDA system
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| GB/T 7714 | Shi, Xialian , Liu, Jinjin , Wu, You et al. Novel control strategy employing anaerobic/aerobic/anoxic/aerobic/ anoxic mode to enhance endogenous denitrification and anammox for municipal wastewater treatment [J]. | BIORESOURCE TECHNOLOGY , 2024 , 414 . |
| MLA | Shi, Xialian et al. "Novel control strategy employing anaerobic/aerobic/anoxic/aerobic/ anoxic mode to enhance endogenous denitrification and anammox for municipal wastewater treatment" . | BIORESOURCE TECHNOLOGY 414 (2024) . |
| APA | Shi, Xialian , Liu, Jinjin , Wu, You , Wu, Ke , Peng, Yongzhen . Novel control strategy employing anaerobic/aerobic/anoxic/aerobic/ anoxic mode to enhance endogenous denitrification and anammox for municipal wastewater treatment . | BIORESOURCE TECHNOLOGY , 2024 , 414 . |
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Abstract ：
Efficiently predicting effluent quality through data-driven analysis presents a significant advancement for consistent wastewater treatment operations. In this study, we aimed to develop an integrated method for predicting effluent COD and NH3 levels. We employed a 200 L pilot-scale sequencing batch reactor (SBR) to gather multimodal data from urban sewage over 40 d. Then we collected data on critical parameters like COD, DO, pH, NH3, EC, ORP, SS, and water temperature, alongside wastewater surface images, resulting in a data set of approximately 40246 points. Then we proposed a brain-inspired image and temporal fusion model integrated with a CNN-LSTM network (BITF-CL) using this data. This innovative model synergized sewage imagery with water quality data, enhancing prediction accuracy. As a result, the BITF-CL model reduced prediction error by over 23% compared to traditional methods and still performed comparably to conventional techniques even without using DO and SS sensor data. Consequently, this research presents a cost-effective and precise prediction system for sewage treatment, demonstrating the potential of brain-inspired models.
Keyword ：
Wastewater treatment system Wastewater treatment system Multimodal data Multimodal data Attention mechanism Attention mechanism Data driven analysis Data driven analysis Brain-inspired model Brain-inspired model Water quality prediction Water quality prediction
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| GB/T 7714 | Li, Junchen , Lin, Sijie , Zhang, Liang et al. Brain-inspired multimodal approach for effluent quality prediction using wastewater surface images and water quality data [J]. | FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING , 2024 , 18 (3) . |
| MLA | Li, Junchen et al. "Brain-inspired multimodal approach for effluent quality prediction using wastewater surface images and water quality data" . | FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING 18 . 3 (2024) . |
| APA | Li, Junchen , Lin, Sijie , Zhang, Liang , Liu, Yuheng , Peng, Yongzhen , Hu, Qing . Brain-inspired multimodal approach for effluent quality prediction using wastewater surface images and water quality data . | FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING , 2024 , 18 (3) . |
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Abstract ：
This study aimed to develop a two-step nitrification model to predict variations in aeration time and nitrite accumulation rate (NAR) under fluctuating operational conditions in mainstream partial nitritation (PN) processes. Lab-scale sequencing batch reactors (SBRs) were used to evaluate the ammonia oxidation rate (AOR) and nitrite oxidation rate (NOR) under different solids retention times (SRT) (10, 15, 20, 30, and 50 days) and total volumetric nitrogen loadings (TVNL) (20-60 mg N/L per cycle). A static model was developed to predict consistent AOR and NOR values in the steady state, whereas a dynamic model was established to capture the growth dynamics of ammonia-oxidizing bacteria (AOB) and nitrite-oxidizing bacteria (NOB) under unsteady- state conditions. The static model accurately predicted the AOR, NOR, and aeration time at steady state. The dynamic model quantified the relationship between specific growth rates (mu) and food-to-microorganism ratios (F/M) through exponential fitting, successfully capturing AOB and NOB growth dynamics. Validation experiments (SRT = 10 d, TVNL = 60 mg/L per cycle) demonstrated the ability of the dynamic model to predict trends in NAR and aeration time accurately. This study emphasizes the importance of accurately modeling AOR and NOR variations to predict aeration time and NAR, thereby providing valuable insights for aeration control and precise management of AOB and NOB populations in mainstream PN processes.
Keyword ：
Nitrogen loading Nitrogen loading F/M F/M Partial Nitritation Partial Nitritation Kinetic analysis Kinetic analysis Solids retention time Solids retention time
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| GB/T 7714 | Zhou, Wentao , Zhang, Qiong , Wang, Bo et al. Predicting aeration time and nitrite accumulation rate variations for Partial Nitritation: A model incorporating nitrogen oxidation rate dynamics [J]. | WATER RESEARCH , 2024 , 268 . |
| MLA | Zhou, Wentao et al. "Predicting aeration time and nitrite accumulation rate variations for Partial Nitritation: A model incorporating nitrogen oxidation rate dynamics" . | WATER RESEARCH 268 (2024) . |
| APA | Zhou, Wentao , Zhang, Qiong , Wang, Bo , Peng, Yi , Hou, Feng , Pang, Hongtao et al. Predicting aeration time and nitrite accumulation rate variations for Partial Nitritation: A model incorporating nitrogen oxidation rate dynamics . | WATER RESEARCH , 2024 , 268 . |
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