It depicts the utilization of UASB, SBR, biofilter and septic tank in rural and small town sewage treatment as well as constructed wetland and Green biofilter.

• 分别描述了小型装置中UASB、SBR、生物滤池、化粪池处理技术和生态系统中人工湿地、绿色生态滤池在小城镇和农村污水处理中的应用。