摘要
当水力停留时间(HRT)为8 h时,以陶粒填料曝气生物滤池(BAF)(简写为HBAF-PC)为对照组,考察了陶粒/竹丝复合填料BAF(简写为HBAF-FBPC)对氮素污染物转化效果及生物特性。结果表明,HBAF-FBPC和HBAF-PC对TN去除率分别为70.2%~95.7%和32.5%~67.1%,HBAF-PC出水NO3--N质量浓度介于15.2~48.8 mg/L之间,而HBAF-FBPC出水NO_3^--N质量浓度稳定低于14.5 mg/L;相对于HBAF-PC而言,HBAF-FBPC具有更低的NO_2^--N积累质量浓度。而且因为竹丝的存在,HBAF-FBPC中具有更快的美人蕉生长速率、更高质量浓度的内含物和更丰富的指示性微生物。复合滤料BAF处理生活污水是可行的。
The improved efficacy of hybrid BAF with filamentous bamboo and palygorskiteceramistite（HBAFFBPC） in removing nitrogen from wastewater was compared with the hybrid biological aerating filter with palygorskiteceramistite（HBAF-PC）.The experiment was conducted under continuous flow condition and the average hydraulic retention time was eight hours.The results showed thatthe removal rate of total nitrogen by HBAF-FBPC and HBAF-PC was 70.2%^95.7% and 32.5%^67.1%,respectively.The effluent nitrateconcentration from the HBAF-PC and HBAF-FBPC was 15.2^48.8 mg/L and 14.5 mg/L respectively,and compared with HBAF-PC,HBAF-FBPC was more efficient in removing nitrite.In addition,the HBAF-FBPC boosted the growth of Canna and microorganisms due to its filamentous bamboo.
作者
杨宇轩
殷红桂
唐子夏
汪银梅
曹文平
YANG Yuxuan YIN Honggui TANG Zixia WANG Yinmei CAO Wenping(School of Environmental Engineering, Xuzhou Institute of Technology, Xuzhou 221111, China)
出处
《灌溉排水学报》
CSCD
北大核心
2017年第11期41-45,共5页
Journal of Irrigation and Drainage
基金
住房与城乡建设部科技计划项目(2012-K7-14)
徐州工程学院校基金项目(XKY2013407)
关键词
复合填料
曝气生物滤池
陶粒
竹丝
氮素污染物
carriers
biological aerated filter
palygorskiteceramistite
filamentous bamboo
