Pilot-scale duckweed-CO2 wastewater bioremediation system: a synergistic approach for nutrient removal, carbon capture, and biomass production [0.03%]
以水生植物净化废水并捕获二氧化碳的示范系统：营养物去除、碳捕获和生物质生产相结合的方法
Ling Guo,Yonggui Zhao,Yao Xiao et al.
Ling Guo et al.
It also promoted glutamine synthetase expression, increasing nitrogen assimilation and shifting nitrogen removal from microbial nitrification to duckweed uptake.
Biochar amendment and water level optimization enhance nitrogen removal and reduce N2O emissions in vertical flow constructed wetlands via metagenomic analysis [0.03%]
基于宏基因组分析的生物炭改良及水位优化强化垂直流人工湿地氮移除并减少N₂O排放
Xin Wang,Zhiqiang Shen,Qin Zhang et al.
Xin Wang et al.
To explore how biochar influences nitrogen cycling in unsaturated, capillary, and saturated zones of partially saturated vertical flow constructed wetlands (VFCWs), three parallel VFCWs were established to examine the effects of biochar's better water holding capacity on nitrogen removal and N2O emissions
Bridge-Mediated Electron Transfer: Bioinspired Redox Communication for Sustained Nitrite-Independent Anaerobic Ammonium Oxidation [0.03%]
仿生氧化还原传递体系介导的厌氧氨氧化耦合亚硝酸盐呼吸研究进展
Quanhao Dou,Jiachun Yang,Li Zhang et al.
Quanhao Dou et al.
The lack of nitrite (NO2-) in real wastewater severely limits the sustainable nitrogen removal of anaerobic ammonium oxidation (anammox).
Revealing the characteristics and nitrogen metabolism mechanism of Anammox biofilm assisted by nanoscale zero-valent iron [0.03%]
纳米零价铁助态厌氧氨氧化生物膜特性及氮代谢机制研究
Zongshuo Han,Xiaoying Zheng,Zhilin Zhao et al.
Zongshuo Han et al.
The characteristics, nitrogen removal kinetics and microbial metabolic mechanism of Anammox biofilm with intermittent dosing of nanoscale zero-valent iron (nZVI) were comprehensively revealed....The nitrogen removal kinetics were accurately described and predicted by the modified Boltzmann model. High-throughput sequencing revealed that the microbial richness and diversity gradually declined, while AnAOB were enriched from 0.12 % to 1.34 %.
Mechanistic insights into nitrogen removal performance and electron competition with mixed electron donor supply in a biofilm electrode reactor [0.03%]
混合供电子条件下生物电极反应器脱氮性能及电子竞争机制研究
Xin Yuan,Chunfang Chao,Jiaojiao Niu et al.
Xin Yuan et al.
In this study, a unique electrode configuration in the form of an "inverted T" was developed in the biofilm electrode reactor (BER), enabling superior nitrogen removal via the synergistic effect of hydrogen autotrophic denitrification and heterotrophic denitrification....The introduced electricity in the BER system was favorable for facilitating nitrogen removal through in situ production of hydrogen, direct supply of electrons from the electrode, improvement of functional microbial activity, and enhancement of enzymatic activity.
Deciphering the hidden defensive behavior and binding mechanism of anammox process to microcystin from the perspective of granular properties, intracellular metabolism and molecular docking [0.03%]
从颗粒特性、细胞代谢和分子对接的角度解析厌氧氨氧化工艺对微囊藻毒素的隐性防御行为及结合机制
Xue Chen,Rui Hu,Xintao Wu et al.
Xue Chen et al.
Notably, high concentration of MC-LR with degradation-resistant property would penetrate EPS barrier to disturb intracellular anti-oxidation balance and attack respiratory chain, thus directly disrupting nitrogen transformation and electron transfer, which led to a 25.6 % decrease in the nitrogen removal
Shortening sludge retention time promotes the competitive advantage of heterotrophic nitrification and aerobic denitrification bacteria in the halophilic aerobic granular sludge treating saline wastewater [0.03%]
缩短污泥停留时间可促进卤化好氧颗粒污泥中异养硝化-好氧反硝化细菌的竞争优势以处理含盐污水
Ji-Lin Huang,You-Wei Cui
Ji-Lin Huang
When the SRT increased from 10 to 20 days, the total inorganic nitrogen removal efficiency decreased from 100 % to 51.3 %, with the proportion of heterotrophic bacterial biomass reduced from 80.1 % to 47.7 %.
Performance and microbial adaptation of a continuous granular sludge-type nitritation process facing the decreasing temperature condition until 5 ℃ [0.03%]
低温条件下连续流颗粒污泥型亚硝化系统的性能及微生物适应性(温度低至5℃)
Hongjun Zhao,Yan Guo,Ze Zhang et al.
Hongjun Zhao et al.
These findings redefine the operational boundaries of nitritation processes and provide a mechanistic framework for implementing nitrogen removal technologies in cold-climate regions without the need for energy-intensive heating.
Fast nutrients removal through strengthened solid-liquid conversion and biomass synthesis of heterotrophic ammonia assimilation system in saline wastewater [0.03%]
盐水中异养氨同化系统快速去除污染物及强化固液转化与生物量合成
Yiting Guo,Fei Han,Mengru Zhang et al.
Yiting Guo et al.
Additionally, high-throughput sequencing results confirmed HAA as the single nitrogen removal pathway, with deterministic processes dominating community assembly.
Enhanced nitrogen removal by Comamonas 110 colonization and bioaugmentation in sequencing batch activated sludge bioreactor [0.03%]
一株硝化细菌Comamonas 110的筛选及其在序批式活性污泥反应器中的定植和接种性能研究
Yao Yang,Abdallah Abdelfattah,Hui Jia et al.
Yao Yang et al.
This study optimized Comamonas 110 inoculation strategies in activated sludge systems, enhancing nitrogen removal efficiency (44 % of nitrogen removal at day 180) and achieving stable colonization (15.22 % abundance at day 180) through 30 % initial dosage combined with operational parameter regulation
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