The microbiological characteristics of the bio-film in a bio-ceramisite filter treating slightly polluted source water from Guanting Reservoir in Beijing at low temperature are researched.

• 针对官厅水库下游三家店水库水源进行生物陶粒滤池预处理的现场试验,研究低温条件下生物陶粒滤池的微生物学特性。