低温硝化细菌的筛选及其氨氮去除性能研究
Screening of Low-temperature Nitrifying Bacteria and Its Application Research on Ammonia Nitrogen Removal Performance
李睿 1张玉1
作者信息
- 1. 大连理工大学环境学院 辽宁 116024
- 折叠
摘要
针对低温污水处理过程中氨氮去除困难的问题,在 12℃条件下,从冬季新疆城市污水处理厂二沉池活性污泥中筛选出一株耐低温假单胞菌,将其命名为Pseudomonas veronii A4.对菌株A4 的氨氮去除特性进行研究,菌株A4 的最适碳源为丁二酸钠,在以丁二酸钠为碳源,COD/N为5的情况下,24 h时NH4+-N去除率为50.82%.
Abstract
In response to the difficulty in removing ammonia nitrogen during low-temperature wastewater treatment,a low temperature resistant Pseudomonas aeruginosa strain was selected from the activated sludge of the secondary sedimentation tank of urban sewage treatment plants in Xinjiang under 12℃conditions,and named Pseudomonas veronii A4.A study was conducted on the ammonia nitrogen removal characteristics of strain A4.The optimal carbon source for strain A4 was sodium succinate.With sodium succinate as the carbon source and a COD/N of 5,the NH4+-N removal rate was 50.82%after 24 hours.
关键词
污水处理/耐低温菌/氨氮去除Key words
sewage treatment/low temperature tolerant bacteria/ammonia nitrogen removal引用本文复制引用
出版年
2025
NETL
NSTL
万方数据