低温条件对SBR工艺亚硝酸氧化菌种群结构的影响  

EFFECT OF LOW TEMPERATURE ON NITRITE OXIDATION BACTERIA STRUCTURE IN SEQUENCING BATCH REACTORS

作　　者：张琼[1] 包鹏 彭永臻[1] 张亮[1] ZHANG Qiong;BAO Peng;PENG Yong-zhen;ZHANG Liang(National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology , Beijing 100124, China;Beijing Environmental Engineering Technology Co., Ltd , Beijing 100044, China)

机构地区：[1]北京工业大学北京市污水脱氮除磷处理与过程控制工程技术研究中心,北京100124 [2]北京环境工程技术有限公司,北京100044

出　　处：《环境工程》2019年第3期75-81,共7页Environmental Engineering

基　　金：北京市科技计划项目-应用于城市污水的一体化厌氧氨氧化深度脱氮新技术开发与应用研究(D171100001017001);国家自然科学青年基金"城市污水短程硝化-厌氧氨氧化工艺中NOB的增长机制与调控策略"(51608013)

摘　　要：为了解低温条件对SBR工艺亚硝酸氧化菌种群结构的影响,以模拟废水为处理对象,在低温条件下(12～20℃),分别启动全程硝化SBR反应器和亚硝酸氧化SBR反应器,检测分析主要亚硝酸氧化微生物丰度变化及种群结构特性。结果表明:全程硝化SBR反应器和亚硝酸氧化SBR反应器经过驯化后均可在低温条件下完成全程硝化和亚硝酸氧化过程,且可检测的优势NOB菌均为Nitrobacter和Nitrotoga,其主要优势菌种分别为Nitrobacter winogradskyi和Candidatus nitrotoga arctica。In order to investigated the effect of low temperature on nitrite oxidation bacteria( NOB) structure in sequencing batch reactor( SBR),the ammonia oxidation SBR and nitrite oxidation SBR were started up separately under the low temperature condition( 12 ~ 20 ℃),NOB abundance and population structure were systematically analyzed in two SBRs treating simulated wastewater. The results showed that complete nitrification and stable nitrite oxidation process could be achieved under low temperature after domestication. In the two SBRs at low temperature,the dominant species of NOB were Nitrobacter and Nitrotoga,and the dominant strains in NOB were Nitrobacter winogradskyi and Candidatus nitrotoga arctica.

关 键 词：亚硝酸氧化菌 低温 丰度 种群结构 SBR工艺 

分 类 号：X703[环境科学与工程—环境工程]