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2023 1

2011 1

2007 2

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Tetrasphaera 1

反硝化除磷 1

好氧摄磷 1

强化生物除磷（EBPR） 1

微生物组 1

电子受体 1

磷回收 1

聚磷微生物（PAOs） 1

聚磷菌 1

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Short-term effect of temperature variation on the competition between PAOs and GAOs during acclimation

Nanqi REN, Han KANG, Xiuheng WANG, Nan LI

《环境科学与工程前沿（英文）》 2011年第5卷第2期页码 277-282 doi: 10.1007/s11783-010-0226-x

摘要： Sequencing batch reactor (SBR) for enhanced biological phosphorus removal (EBPR) processes was used to investigate the impact of the temperature shock on the competition between phosphorus-accumulating organisms (PAOs) and glycogen accumulating organisms (GAOs) in start-up stage. During the 34 days operation, SBR was set with temperature variation(0–5 d, 22±1°C; 6–13 d, 29±1°C; 14–34 d, 14±1°C). PAOs and GAOs were analyzed by fluorescent in situ hybridization (FISH), and intracellular polyphosphate granules were stained by Neisser-stain. The results showed that the influence of temperature shock on PAOs’ abundance was more serious than that on GAOs in the enriching process. Under sudden and substantially temperature variation, from 22±1°C to 29±1°C and then to 14±1°C, the domination of PAOs was deteriorated. After temperature shock, PAOs’ competitive advantages at low temperature that concluded in other study did not appear in our study. As mesophilic, GAOs (indicated by and ) were more temperature adaptive and better grew and took the domination at 14±1°C in the end. In the competition process, organisms of tetrad forming organisms (TFOs)-like shape which were considered as typical GAOs, were observed. With the evidence of poly-P granules containing by Neisser-straining and result of FISH, these organisms of TFOs-like shape were better to be assumed as adaption state or a special self-protecting shape of PAOs.

关键词： fluorescent in situ hybridization (FISH) tetrad forming organisms (TFOs) temperature variation enhanced biological phosphorus removal (EBPR)

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Tetrasphaera富集的强化生物除磷微生物组的时间动态和效能关联 Article

王慧, 王玉波, 张国庆, 赵泽, 鞠峰

《工程（英文）》 2023年第29卷第10期页码 168-178 doi: 10.1016/j.eng.2022.10.016

摘要：

基于16S rRNA扩增子测序技术对全球污水处理厂（WWTP）强化生物除磷（EBPR）工艺中微生物群落的研究表明Tetrasphaera是丰度最高的聚磷菌（PAOs）。研究表明，添加1 mg·L⁻¹烯丙基硫脲同时促进了 Tetrasphaera PAOs 和 MicrolunatusPAOs 的增加，并且显着降低了氨氧细菌Nitrosomonas和PAOs的潜在竞争者 Brevundimonas 和 Paracoccus 的相对丰度16S rRNA 基因分析表明，体系中的EBPR-ASV0001与 Tetrasphaera japonica 的亲缘关系最为相近，其可能代表了一种新的PAOs。

关键词：强化生物除磷（EBPR）聚磷微生物（PAOs） Tetrasphaera 微生物组磷回收

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Effects of nitrite on phosphate uptake in anaerobic-oxic process

LI Jie, XIONG Biyong, ZHANG Shude, YANG Hong, ZHANG Jie

《环境科学与工程前沿（英文）》 2007年第1卷第1期页码 39-42 doi: 10.1007/s11783-007-0007-3

摘要： An anaerobic-oxic (A/O) biological phosphorus removal reactor was operated to study the effect of nitrite on phosphate uptake. The phosphorus uptake profile was determined under different operating conditions. The results indicated that in addition to oxygen and nitrate (DPB, nitrate denitrifying phosphorus removal), to some extent, nitrite could also serve as an electron acceptor to achieve nitrite denitrifying phosphorus removal (DPB). The quantity and rate of phosphorus uptake of DPB, however, were evidently lower than that of DPB The experiment results revealed that nitrite would bring toxic action to phosphate-accumulating organisms (PAOs) when NO-N"e93.7 mg/L. The nitrite existing in the anoxic reactor made no difference to the quantity and rate of denitrifying phosphorus removal, but it could reduce the consumption of nitrate. Moreover, the data showed that the aerobic phosphate uptake of DPB was lower than that of anaerobic phosphorus-released sludge in a traditional A/O process. However, there was not much difference between these two kinds of sludge in terms of the total phosphorus uptake quantity and the effluent quality.

关键词： effluent PAOs experiment phosphate-accumulating phosphorus removal

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MB（A2/O）工艺的好氧、缺氧摄磷及微生物特性

吴剑,王世和

《中国工程科学》 2007年第9卷第11期页码 191-195

摘要：

为开发高效除磷脱氮技术，研制了将MBR与A²/O工艺有机集成的新型MB（A²/O）组合工艺。研究了MB（A²/O）工艺处理城市污水的好氧、缺氧摄磷性能及微生物特性，并分析了其机理。结果表明：在 MB（A²/O）系统中，聚磷菌约占活性污泥总量的20%~40%，其中大量存在能够利用NOX－N作为电子受体进行反硝化除磷的DPB，约占聚磷菌数量的35. 66%~67. 83%。好氧摄磷的平均速率为2. 30mgP·gMLSS^-1·h^-1，最大摄磷速率为5. 44mgP·gMLSS^-1·h^-1；缺氧摄磷的平均速率为1. 56 mgP·gMLSS^-1·h^-1，最大摄磷速率为1. 94 mgP·gMLSS^-1·h^-1。