Water Treatment Technology of Rural Sewage Pond
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摘要:
研究出一套针对农村纳污坑塘水体治理的相关技术，即预处理+缺氧生化+复合型人工湿地。将纳污坑塘隔离出3个区，农村污水依次经过预处理区、缺氧生化区和水生植物稳定区，通过过滤、混凝、微生物降解、湿地基质吸附和植物吸收等作用，实现纳污坑塘水体的高效净化，改善农村的生态环境。
Abstract:A set of related technologies for water treatment of rural sewage pond, namely, pretreatment + hypoxia biochemical + compound constructed wetland, was studied．Sewage pond was separated into three zones, and rural sewage passed through pretreatment zone, anoxic biochemical zone and aquatic plant stabilization zone successively．Through filtration, coagulation, microbial degradation, wetland substrate adsorption and plant absorption, water body of sewage pond can be efficiently purified and rural ecological environment can be improved．
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Keywords:
- sewage pond /
- governance technology /
- sewage treatment /
- ecological environment
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图 1 农村纳污坑塘水体治理技术路线
Figure 1. Technical roadmap of water treatment in rural sewage pond
表 1 纳污坑塘水体检测结果
Table 1. Test results of water bodies in sewage pond
时间 COD/（mg·L−1） NH3-N/（mg·L−1） TP/（mg·L−1） DO/（mg·L−1） pH值 透明度/cm 治理前 70 5.30 1.21 0.80 8.1 2 治理后2个月 53 3.05 0.52 4.47 7.8 10 维护期 49 2.83 0.44 5.30 7.6 12 
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