Nitrite accumulation performance and microbial community of Algal-Bacterial symbiotic system constructed by Chlorella sp. And Navicula sp.
文献类型： 外文期刊
作者： Yang, Xiangjing 1 ; Liao, Yonglin 2 ; Zeng, Ming 1 ; Qin, Yujie 1 ;
作者机构： 1.South China Univ Technol, Sch Environm & Energy, Guangzhou 510006, Peoples R China
2.Guangdong Acad Agr Sci, Inst Plant Protect, Guangdong Prov Key Lab High Technol Plant Protect, Guangzhou 510640, Peoples R China
3.South China Univ Technol, Guangzhou Higher Educ Mega Ctr, Key Lab Pollut Control & Ecosyst Restorat Ind Clus, Minist Educ, Guangzhou 510006, Peoples R China
4.Guangdong Yueke Plant Protect Agr Technol Co Ltd, Guangzhou 510640, Peoples R China
5.Guangdong Acad Agr Sci, Inst Plant Protect, Jinying Rd, Guangzhou 510640, Peoples R China
关键词： Wastewater treatment; Biological nitrogen removal; Partial nitrification; Microalgae; SBR
期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：11.4； 五年影响因子：10.6 ）
ISSN： 0960-8524
年卷期： 2024 年 399 卷
页码：
收录情况： SCI
摘要： Chlorella sp. and Navicula sp. were separately used to construct an algal-bacterial symbiotic system in two identical sequencing batch reactors (R-1 and R-2) to explore the influence of algal species differences on nitrite accumulation. The Navicula-bacterial symbiotic system showed a higher nitrite accumulation efficiency of 85% and a stronger resistance to ammonia load. It secreted twice as many extracellular polymeric substances than the Chlorella-bacterial symbiotic system. Nitrospira and SM1A02 were the dominant functional genera of nitrite-oxidizing bacteria in R-1. The dominant functional genus of ammonium-oxidizing bacteria and the dominant functional genus of denitrifying bacteria were Ellin6067 and unclassified_Saprospiraceae in R-2, respectively. In general, this research provided some reference for the construction of an algal-bacterial symbiotic system and achieving nitrite accumulation through an algal-bacterial symbiotic system.
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