摘要
为深入研究潜流人工湿地内部COD在填料各层中的迁移转化规律,提高潜流人工湿地COD处理效率,本实验通过对不同进水水力负荷条件下潜流人工湿地内部不同位置COD浓度进行检测,研究潜流人工湿地内部COD的迁移转化规律。结果表明,潜流人工湿地系统内部COD浓度在水平及垂直方向均呈现递减趋势,并且水力负荷条件为0.35 m^3/(m^2·d)时COD降解效率最高,去除率可达93.32%,主要降解区域在系统60 cm深处以上。
In order to deeply study the migration and transformation of COD in different layers of subsurface constructed wetland and improve the efficiency of COD treatment, the experiment research on the migration and transformation of COD in subsurface constructed wetland was carried out through detecting COD concentration in different locations of subsurface flow constructed wetlands under different influent hydraulic loading conditions. The results showed that the COD concentration in the subsurface flow constructed wetland system decreased in both horizontal and vertical directions, and the degradation efficiency of COD was the highest when the hydraulic load condition was 0.35 m3/（m2·d）, the COD removal rate was up to 93.32%, and the main degradation area was in the depth of 060 cm in the system.
作者
刘瑞
傅金祥
焦玉恩
张荣新
徐静怡
LIU Rui;FU Jin-xiang;JIAO Yu-en;ZHANG Rong-xin;XV Jing-yi(School of Municipal and Environmental Engineering,Shenyang Jianzhu University,Liaoning Shenyang 110168,China;Chongqing Sino France Water Supply Co.,Ltd.,Chongqing 404100,China)
出处
《辽宁化工》
CAS
2018年第7期617-619,共3页
Liaoning Chemical Industry
基金
国家水专项-浑河流域沈抚段水生态建设与功能修复技术集成与示范课题(2014ZX07202-011)
沈阳建筑大学科学研究项目:潜流湿地微曝气+固体碳源处理污水厂尾水脱氮集成技术研究(2017024)
关键词
潜流人工湿地
水力负荷
COD
subsurface constructed wetlands
hydraulic load
COD
