WANG Xiao-yun,FU Ai-min,LEE King-ming.Combined Process of Aeration Pond and Constructed Wetland for Treatment of Rural Sewage[J].China Water & Wastewater,2021,37(21):64-68.
曝气氧化塘+人工湿地组合工艺处理农村污水
- Title:
- Combined Process of Aeration Pond and Constructed Wetland for Treatment of Rural Sewage
- Keywords:
- rural sewage; aeration pond; constructed wetland; surface loading
- 摘要:
- 以台湾省台东县关山人工湿地系统为研究对象，探讨了曝气氧化塘+人工湿地组合工艺处理农村污水的效果。2008年8月—2018年12月，每月采集1次数据，共收集125组数据。结果表明，人工湿地系统对BOD5的平均去除率为（61.55±16.71）%，平均表面污染物负荷为（1.23±0.52） g/（m2·d）；对SS的平均去除率为（63.39±11.18）%,平均表面污染物负荷为（2.62±2.36） g/（m2·d）；对NH4+-N的平均去除率为（82.21±12.11）%,平均表面污染物负荷为（1.98±0.34） g/（m2·d）；对TN的平均去除率为（67.88±13.89）%,平均表面污染物负荷为（1.78±1.01） g/（m2·d）；对TP的平均去除率为（71.31±12.31）%,平均表面污染物负荷为（0.13±0.05） g/（m2·d）。该工艺运行稳定，处理效果好，出水水质满足台湾省相关水质标准要求。整个系统结合生态景观，构建亲水环境，表现出良好的环境效益。
- Abstract:
- The effect of a combined process of aeration pond and constructed wetland on the treatment of rural sewage was explored in Guanshan Constructed Wetland, Taidong County, Taiwan Province. From August 2008 to December 2018, a total of 125 groups of data were collected through the data collection for once a month. The removal efficiencies of BOD5, SS, NH4+-N, TN and TP by the constructed wetland system were (61.55±16.71)%, (63.39±11.18)%, (82.21±12.11)%, (67.88±13.89)% and (71.31±12.31)%, respectively, and the average surface pollutant loading rates of BOD5,SS,NH4+-N,TN and TP were (1.23±0.52) g/(m2·d), (2.62±2.36) g/(m2·d), (1.98±0.34) g/(m2·d), (1.78±1.01) g/(m2·d) and (0.13±0.05) g/(m2·d), respectively. The process operated stably with a good treatment performance, and the effluent quality met the requirements of relevant water quality standards of Taiwan Province. The whole system was combined with the ecological landscape to build a hydrophilic environment, and showed good environmental benefits.
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