现有技术

Existing technology

（1）生物处理工艺：活性污泥法（传统法、SBR）、生物接触氧化、膜生物反应器、自然曝气生物膜法。

(1) biological treatment process: activated sludge process (conventional method, SBR), biological contact oxidation, membrane bioreactor, natural aeration biofilm process.

（2）生态处理工艺：人工湿地、稳定塘、土地处理、生态河道。

(2) ecological treatment process: constructed wetland, stabilization pond, land treatment and ecological river course.

西方采用的主流技术

Mainstream technology adopted in the West

（1）美国：以生物接触氧化为主，辅以SBR活性污泥法、传统法活性污泥法。

(1) the United States is mainly based on biological contact oxidation, supplemented by SBR activated sludge process and conventional activated sludge process.

（2）日本：目前以生物接触氧化为主，SBR活性污泥法正在快速增加。

(2) Japan: at present, biological contact oxidation is the main method, and SBR activated sludge process is increasing rapidly.

（3）德国：以SBR活性污泥法为主，膜生物反应器逐步增加。

(3) Germany: the SBR activated sludge process is the main component, and the membrane bioreactor increases gradually.