生物滴滤塔净化含H_2S和NH_3臭气的中试研究  

A Pilot-scale Study of Biotrickling Filter for Purifying Odorous Gases Containing H_2S and NH_3

作　　者：陈益清[1] 谢乐[2] 蔡旺锋[2] 尹娟[1] 孟建国 钟颖 

机构地区：[1]深圳职业技术学院建筑与环境工程学院,广东深圳518055 [2]天津大学化工学院,天津300072 [3]深圳市利源水务设计咨询有限公司,广东深圳518000

出　　处：《中国给水排水》2014年第11期29-33,共5页China Water & Wastewater

基　　金：深圳市生物产业发展专项资金资助项目(JSA201105120557A);深圳市科技研发资金资助项目(JSD201105310213A)

摘　　要：污水输送泵站散发的恶臭气体中含H2S和NH3成分，基于生物除臭塔中试装置，研究了生物滴滤塔去除含H2S和NH3臭气的运行效能。结果表明，对H2S的去除率可长期稳定在99％以上（含启动阶段），对NH3的去除率在60％～83％之间，且臭气中NH3的存在不会影响H2S的去除。塔压降监测结果表明压降与进气风速呈线性关系。此外，进气浓度对塔内生物量的分布有显著影响。当进气H2S浓度为2．8mg／m^3时，生物量在塔轴向不同位置的分布比较均匀；随着H2S浓度增大至14和28mg／m^3，塔内不同位置的生物量有显著差异，塔中部的生物量高于上部和底部的生物量。The odorous gases emitted from sewage pumping stations contain H2S and NH3. The operational performance of pilot-scale biotrickling filter （BTF） packed with bamboo charcoal for purifying H2S and NH3 was investigated. The results showed that the removal efficiency of H2S was consistently higher than 99% during the whole running time （including the initiation stage）, and the removal effi- ciency of NH3 ranged from 60% to 83% , with the presence of NH3 having little influence on H2S removal. By monitoring the pressure drop of the BTF, the linear relationship between pressure drop and the velocity of airflow was found. In addition, the inlet H2S concentration had a significant influence on the distribution of the biomass. When the inlet H2S concentration was 2.8 mg/m^3 , the biomass was distributed evenly along the column axis. However, when the inlet H2S concentration was increased to 14 mg/m^3 and 28 mg/m^3, the biomass differed at different locations in the BTF, with the biomass higher in the middle than in the top and bottom of the BTF.

关 键 词：生物滴滤塔 除臭 H2S 生物量 中试 

分 类 号：X701[环境科学与工程—环境工程]