污水—土壤—植物系统资源再生的关键生态过程及风险控制

Key Ecological Process and Risk-Control Strategies of the Resource Recycle Pattern through Route of Wastewater-Soil-Plant

综合分析了污水—土壤—植物系统资源再生的关键生态过程、工程风险来源,总结了进行系统结构优化、工艺参数核算、强化布水与集排水以及加强监测等风险控制对策。指出该系统实质是基于生态系统物质循环,以水资源和植物资源再生为主要特征的循环经济模式,是污水生态处理与回用技术和植物资源开发利用技术的有机结合体,兼具低成本、高经济效益和生态效益,可因地制宜,形式多样地促进水污染治理、节约水资源,适合中国国情。

This paper mainly focused on analyzing the key ecological process and engineering risks of the resource recycle pattern through route of wastewater-soil plant,moreover,some strategies on how to control its engineering risks were also summarized such as how to optimize the structure of the pattern,budget the engineering parameters,strength the wastewater dosing/discharge and strengthen monitoring,etc.In fact,wastewater-soil-plant system was a typical pattern of circular economy which aimed to recycle the sources of water and plant products based on a natural ecological system recycle,so whose engineering techniques combined wastewater ecological treatment and plant resource exploitation ones,it owned both low-cost,high economic and ecological efficiency,various forms of water pollution management,and conservation of water resources for China＇s national conditions might be promoted with local conditions.