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摘要 ：
The nitrogen removal characteristics, physicochemical properties, and microbial community composition of four different anaerobic ammonium oxidation (anammox) sludge morphologies were investigated. The morphologies considered in this study, namely suspended sludge (Rs), biofilm (Rm), granular sludge (Rg), and encapsulated biomass (Re), were prepared from floc sludge. The results show that Re exhibited the maximum anammox activity, followed by Rg, Rm, and Rs. Additionally, the anammox contribution rate was higher in Rg and Re. The higher extracellular polymer content in Rg promoted sludge accumulation, and tryptophan was observed in Rm and Rg, which was replaced by humic acids in Rs. Re showed the largest specific surface area, hydrophobicity and strength, and its good structure ensured enrichment of anammox bacteria (AnAOB). In terms of the microbial community, the functional bacterium Candidatus Kuenenia accounted for the highest proportion in Rm (39.27%), but the presence of both anaerobic and aerobic regions led to increased community complexity with more nitrifying bacteria. In contrast, Rg and Re had a more specific microbial community. In addition, denitrifying bacteria tended to grow in Rs, while nitrifying bacteria were retained in Rm. The AnAOB were more likely to be enriched in sludge aggregates (both Rm and Rg) and carriers (Re). Through correlation analysis, the potential relationship involving bacterial flora evolution of each sample was clarified. Finally, the structural models of different morphologies of sludge were proposed. This study deepens the understanding of various anammox sludge morphologies as well as provides useful information for the cultivation of AnAOB and further application of anammox.
关键词 ：
Anammox Anammox Biofilm Biofilm Flora structure Flora structure Granular sludge Granular sludge Immobilized filler Immobilized filler Sludge morphology Sludge morphology
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| GB/T 7714 | Wang, XiaoTong , Yang, Hong , Su, Yang et al. Effects of sludge morphology on the anammox process: Analysis from the perspectives of performance, structure, and microbial community [J]. | CHEMOSPHERE , 2022 , 288 . |
| MLA | Wang, XiaoTong et al. "Effects of sludge morphology on the anammox process: Analysis from the perspectives of performance, structure, and microbial community" . | CHEMOSPHERE 288 (2022) . |
| APA | Wang, XiaoTong , Yang, Hong , Su, Yang , Liu, XuYan . Effects of sludge morphology on the anammox process: Analysis from the perspectives of performance, structure, and microbial community . | CHEMOSPHERE , 2022 , 288 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
The immobilized carrier was prepared with complete anaerobic ammonia oxidation granular sludge (AnGS) and crushed AnGS, respectively. We evaluated the effects of granular form and continuous temperature changes on nitrogen removal by immobilized anaerobic ammonium oxidation (anammox) filler. The results showed that the rate of nitrogen removal of crushed and encapsulated AnGS was 20% higher than that of direct encapsulated AnGS. However, the latter had higher thresholds of tolerance to Fe2+ and Cu2+. In addition, the immobilization reduced the activation energy of anammox. Above 12.5 degrees C, the immobilized filler was efficient at removing nitrogen removal through the dual adjustment of temperature-hydraulic retention time. From 12.5 degrees C to 23 degrees C, the temperature had a greater influence on the nitrogen removal effect than the HRT. In contrast, HRT had a dominant influence from 23 degrees C to 32 degrees C. Anammox activity was severely inhibited below 12.5 degrees C. High-throughput sequencing analysis showed that the community structure migrated with the changes in temperature. The anammox functional bacteria Candidatus Kuenenia (18.31-39.73%) were the dominant genus at medium and high temperatures, and it was replaced by Chryseobacterium (24.19%) at 8.5 degrees C. In addition, an RDA analysis showed that Candidatus Brocadia was more adaptable to low temperatures than Candidatus Kuenenia. In addition, Bellilinea was more sensitive to temperature than Candidatus Kuenenia. Thus, the temperature could be appropriately lowered to avoid overbreeding. The results of this study optimized the operation of an anammox immobilized system and promote its further application. (C) 2021 Elsevier B.V. All rights reserved.
关键词 ：
Anammox Anammox Temperature Temperature AnGS form AnGS form Metal ions Metal ions Microflora structure Microflora structure Immobilized filler Immobilized filler
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| GB/T 7714 | Wang, XiaoTong , Yang, Hong , Su, Yang et al. Effect of the form of granular sludge and temperature on anammox immobilized fillers: From performance to microbial community analysis [J]. | SCIENCE OF THE TOTAL ENVIRONMENT , 2022 , 803 . |
| MLA | Wang, XiaoTong et al. "Effect of the form of granular sludge and temperature on anammox immobilized fillers: From performance to microbial community analysis" . | SCIENCE OF THE TOTAL ENVIRONMENT 803 (2022) . |
| APA | Wang, XiaoTong , Yang, Hong , Su, Yang , Liu, XuYan . Effect of the form of granular sludge and temperature on anammox immobilized fillers: From performance to microbial community analysis . | SCIENCE OF THE TOTAL ENVIRONMENT , 2022 , 803 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
The treatment performance of anaerobic ammonia oxidation (anammox) immobilized filler on different proportions of domestic wastewater was evaluated. The results showed that, in comparison to synthetic wastewater, 50% domestic wastewater promoted the anammox reaction of immobilized filler, while 100% domestic wastewater had no significant effect on the anammox activity of immobilized filler but the total nitrogen removal efficiency (TNRE) was improved through enhanced denitrification. The TNRE of the immobilized filler was 82.5%, which was significantly higher than that of AnGS (69.7%), and its average anammox contribution rate was more than 90%. This was because the encapsulated anammox biomass could better maintain competitive advantages and coordinate the symbiotic relationship with denitrifying bacteria. Moreover, lower NH4+-N concentration resulted in greater influence of C/N ratio on anammox performance than COD concentration, while the opposite was true at high NH4+-N concentration. This study verified that anammox immobilized filler is effective for mainstream applications.
关键词 ：
Microbial composition Microbial composition Domestic wastewater Domestic wastewater Anammox Anammox Immobilized filler Immobilized filler C/N ratio C/N ratio
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| GB/T 7714 | Wang, Xiao Tong , Yang, Hong , Zhou, YaKun et al. Performance and mechanism analysis of gel immobilized anammox bacteria in treating different proportions of domestic wastewater: a valid alternative to granular sludge [J]. | BIORESOURCE TECHNOLOGY , 2022 , 347 . |
| MLA | Wang, Xiao Tong et al. "Performance and mechanism analysis of gel immobilized anammox bacteria in treating different proportions of domestic wastewater: a valid alternative to granular sludge" . | BIORESOURCE TECHNOLOGY 347 (2022) . |
| APA | Wang, Xiao Tong , Yang, Hong , Zhou, YaKun , Liu, XuYan . Performance and mechanism analysis of gel immobilized anammox bacteria in treating different proportions of domestic wastewater: a valid alternative to granular sludge . | BIORESOURCE TECHNOLOGY , 2022 , 347 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
一种基于厌氧氨氧化包埋生物活性填料处理稀土尾水的方法，属于污、废水生物脱氮处理的技术领域。首先，稀土尾水进入部分亚硝化池，根据进水条件调控DO，将进水中的56.9％的氨氮氧化为亚硝酸盐氮。之后出水进入厌氧氨氧化反应池，厌氧氨氧化包埋生物活性填料利用亚硝酸盐氮和剩余的氨氮生成氮气和硝酸盐氮。在反硝化池内，厌氧氨氧化包埋生物活性填料利用投加的有机碳源，去除稀土尾水中原有的硝酸盐氮和厌氧氨氧化反应产生的硝酸盐氮。部分亚硝化阶段可以节省曝气量和不需要污泥回流设备，厌氧氨氧化阶段可以节省大量有机碳源。本方法能够实现稀土尾水的高效脱氮，可大大降低脱氮处理成本。
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| GB/T 7714 | 杨宏 , 池伟利 . 一种基于厌氧氨氧化包埋生物活性填料处理稀土尾水的方法 : CN202210297623.4[P]. | 2022-03-23 . |
| MLA | 杨宏 et al. "一种基于厌氧氨氧化包埋生物活性填料处理稀土尾水的方法" : CN202210297623.4. | 2022-03-23 . |
| APA | 杨宏 , 池伟利 . 一种基于厌氧氨氧化包埋生物活性填料处理稀土尾水的方法 : CN202210297623.4. | 2022-03-23 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
基于包埋生物填料的稀土矿山废水脱氮的装置与方法，属于污、废水处理领域。主要包括原水箱、原水泵、鼓风机、气体转子流量计、曝气盘、硝化反应装置、包埋硝化细菌填料、在线pH探头、PLC控制柜、第一加药泵、第一储药箱、第二加药泵、第二储药箱、管道混合器、反硝化反应装置、包埋反硝化细菌填料、最终出水口。以包埋硝化细菌填料为核心建立的硝化反应装置，以包埋反硝化细菌填料为核心建立的反硝化反应装置，其中硝化反应装置和反硝化反应装置中仅有包埋生物填料，没有活性污泥，生物化学作用完全依靠各反应装置的包埋生物填料。利用包埋生物填料能够形成更为高效和系统稳定运行的脱氮处理系统。
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| GB/T 7714 | 杨宏 , 邹志强 . 基于包埋生物填料的稀土矿山废水脱氮的装置与方法 : CN202210297668.1[P]. | 2022-03-23 . |
| MLA | 杨宏 et al. "基于包埋生物填料的稀土矿山废水脱氮的装置与方法" : CN202210297668.1. | 2022-03-23 . |
| APA | 杨宏 , 邹志强 . 基于包埋生物填料的稀土矿山废水脱氮的装置与方法 : CN202210297668.1. | 2022-03-23 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
一种高耐盐性的反硝化细菌菌群筛选培养方法，属于污、废水处理领域。以污水处理厂二沉池的回流污泥作为接种污泥，人工配制微生物所需要的碳源，氮源以及微量元素等物质，利用高浓度底物流加和间歇式运行实现对盐度值4％培养环境的建立与维持，对运行参数如pH，温度等进行严格的控制，并通过对出水各项指标的检测来调整进水负荷，以此成功筛选培养出一种高耐盐性的反硝化细菌菌群。
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| GB/T 7714 | 杨宏 , 张鑫 . 一种高耐盐性的反硝化细菌菌群筛选培养方法 : CN202210297669.6[P]. | 2022-03-23 . |
| MLA | 杨宏 et al. "一种高耐盐性的反硝化细菌菌群筛选培养方法" : CN202210297669.6. | 2022-03-23 . |
| APA | 杨宏 , 张鑫 . 一种高耐盐性的反硝化细菌菌群筛选培养方法 : CN202210297669.6. | 2022-03-23 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
一种高积累率短程硝化活性污泥的培养方法，属于水处理领域。采用污水处理厂的活性污泥为种源，保持了原有短程硝化(AOB)菌群的结构特征，采用静置24h的FA抑制启动方法，帮助AOB菌群建立优势地位，并在高溶解氧(DO)的运行条件下，利用高FNA抑制了亚硝酸盐氧化菌(NOB)的生长，维持高积累率，再通过规律排泥，进而在保持系统高氨氧化速率的前提下，规律性排泥淘汰NOB，使AOB快速富集，实现高积累率短程硝化活性污泥的培养。
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| GB/T 7714 | 杨宏 , 王泊含 . 一种高积累率短程硝化活性污泥的培养方法 : CN202210297622.X[P]. | 2022-03-23 . |
| MLA | 杨宏 et al. "一种高积累率短程硝化活性污泥的培养方法" : CN202210297622.X. | 2022-03-23 . |
| APA | 杨宏 , 王泊含 . 一种高积累率短程硝化活性污泥的培养方法 : CN202210297622.X. | 2022-03-23 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
我国南海处于极端热湿气候区,为顺应岛礁开发建设与可持续发展,建筑应更多地采取被动式策略以降低能耗.虽然南海岛礁常年高温、高湿,但气温日较差与年较差小、风力大,建筑具有潜在的自然通风能力.应用建筑气候学相关原理,以标准有效温度SET作为评价指标与方法,综合温度、湿度、风速等因素,全面评价岛礁的自然通风潜力.选取南海地区6座典型位置的岛礁,采用参数化方法对标准有效温度进行计算分析,得出满足热舒适要求的标准有效温度全年时间占比,并评价其自然通风潜力.同时研究了温度、风速对标准有效温度的影响.
关键词 ：
极端热湿气候区 极端热湿气候区 热舒适 热舒适 标准有效温度 标准有效温度 自然通风潜力 自然通风潜力
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| GB/T 7714 | 李宝龙 , 杨红 , 谢静超 . 极端热湿气候区建筑自然通风潜力评价 [J]. | 建筑节能 , 2021 , 49 (1) : 42-46 . |
| MLA | 李宝龙 et al. "极端热湿气候区建筑自然通风潜力评价" . | 建筑节能 49 . 1 (2021) : 42-46 . |
| APA | 李宝龙 , 杨红 , 谢静超 . 极端热湿气候区建筑自然通风潜力评价 . | 建筑节能 , 2021 , 49 (1) , 42-46 . |
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摘要 ：
基于粒径分化的厌氧氨氧化污泥性能与微生物多样性分析
关键词 ：
厌氧氨氧化(ANAMMOX) 厌氧氨氧化(ANAMMOX) 基因功能预测 基因功能预测 微生物群落结构 微生物群落结构 比活性 比活性 粒径 粒径
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| GB/T 7714 | 王晓曈 , 杨宏 , 环境科学 . 基于粒径分化的厌氧氨氧化污泥性能与微生物多样性分析 [J]. | 王晓曈 , 2021 , 42 (4) : 1930-1938 . |
| MLA | 王晓曈 et al. "基于粒径分化的厌氧氨氧化污泥性能与微生物多样性分析" . | 王晓曈 42 . 4 (2021) : 1930-1938 . |
| APA | 王晓曈 , 杨宏 , 环境科学 . 基于粒径分化的厌氧氨氧化污泥性能与微生物多样性分析 . | 王晓曈 , 2021 , 42 (4) , 1930-1938 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
为明确基于粒径分化的厌氧氨氧化(ANAMMOX)污泥特性与菌群演替规律,研究了高氨氮生物滤池反应体系中ANAMMOX絮体污泥形成颗粒过程中的性能变化和微生物群落结构.结果表明,粒径增加显著提高了厌氧氨氧化颗粒污泥(AnGS)比活性(SAA)和耐受性,R4(> 4.75 mm)的SAA最高为426.8 mg·(g·d)~(-1),但也给传质带来不利影响.高通量测序结果显示,菌属间动态变化普遍存在.<4.75 mm时,粒径增加强化了菌群结构稳定性,絮体中含量较多的氨氧化细菌(AOB)被淘汰,脱氮比例逐渐稳定.R3(2.8～4.75 mm)具有最专一的菌群组成,功能菌Candidatus Kuene...
关键词 ：
厌氧氨氧化(ANAMMOX) 厌氧氨氧化(ANAMMOX) 基因功能预测 基因功能预测 微生物群落结构 微生物群落结构 比活性 比活性 粒径 粒径
引用：
复制并粘贴一种已设定好的引用格式，或利用其中一个链接导入到文献管理软件中。
| GB/T 7714 | 王晓曈 , 杨宏 . 基于粒径分化的厌氧氨氧化污泥性能与微生物多样性分析 [J]. | 环境科学 , 2021 , 42 (04) : 1930-1938 . |
| MLA | 王晓曈 et al. "基于粒径分化的厌氧氨氧化污泥性能与微生物多样性分析" . | 环境科学 42 . 04 (2021) : 1930-1938 . |
| APA | 王晓曈 , 杨宏 . 基于粒径分化的厌氧氨氧化污泥性能与微生物多样性分析 . | 环境科学 , 2021 , 42 (04) , 1930-1938 . |
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