Study on Aearobic Denitrification Bacteria Y12 under Low Temperatures and Poor Nutrition

摘要：

　　Aerobic denitrifying bacteria Y 12 isolated from sediment under low temperatures and poor nutrition,according to its physiological-biochemical identification and 16S rDNA gene sequence analysis,established the system development tree,identify bacteria Y12 to belong to Acinetobacter.sp.When the temperature was 15℃,strain Y12 had a desirable ability of aerobic denitrification and the nitrate nitrogen removal rate was 80.92%.When the pH was 6.0,72h of nitrate nitrogen removal efficiency was 78.64%.As the C/N rote higher than 3.0,along with the increase of carbon-nitrogen ratio,the denitrifying rate was increased.When the inoculating dose for strain Y12 could not be less than 10% in order to ensure a good nitrogen removal.

关键词： low temperatures and poor nutrition aerobic denitrification nitrogen removal

作者: Su Jun-feng Huang Wen-bin Huang Ting-lin Wei Wei Lu Jin-Suo Yuan Jie

作者单位: School of Environmental and Municipal Engineering,Xi”an University of Architecture and Technology,Xi”an 710055,China

会议类型: 国内会议

会议名称: 2012水资源与城市化发展大会

会议地点: 天津

会议语种:英文

页码: 311-316

在线出版日期: 2012-09-26（万方平台首次上网日期，不代表论文的发表时间）