In view of the actual situation of rural areas and technical difficulties of water treatment in cold areas,the sewage treatment processes adapted to rural areas in cold areas were summarized.The treatment process and technology of decentralized wastewater in cold regions were introduced,and the ecological treatment technology,biological treatment and ecological biological combination technology of sewage were compared and summarized.On the basis of considering the dispersion characteristics,low temperature control,economic constraints,management mode and other constraints,the corresponding process combination and policy recommendations for rural sewage treatment in cold region of China was put forward.%针对寒冷地区农村的实际和水处理技术难点,对适应寒地农村的污水处理工艺进行了总结.对寒区分散型污水的处理工艺和技术进行了重点介绍,对污水的生态处理技术、生物处理和生态生物结合技术进行了对比和总结,在考虑分散性特点、低温制约、经济制约、管理模式等诸多制约条件的基础上,提出了适合我国寒地农村污水治理相应的工艺组合和政策建议.
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