Anaerobic biological treatment is a high efficient process for treating high concentration organic wastewater. It has advantages of small site, low manipulation cost and easy operation.
厌氧生物法是一种高效的处理高浓度有机废水的技术，它具有占地面积小运行处理费用低，操作简单等特点。
However, for ordinary nano-materials, there exist problems such as difficult separation, easy pollution, high cost and so on, which seriously restrict the application in wastewater treatment field.
但是由于普通纳米材料存在分离难、易污染、成本高等问题，严重制约了其在水处理领域的应用。
A small facultative contact stabilization and soil infiltration system was employed for energy efficient and cost effective treatment of mixed wastewater from a rural community in Zhejiang.
采用兼氧接触氧化与土地渗滤联合处理工艺对农村混合污水进行了试验。
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