A theoretical model for purification of waste gas of low concentration in trickling biofilter was established with simplifying, the polyhole filter in the trickling biofilter to a parallel plat plates passage covered with biofilm.

• 摘要将生物膜滴滤塔内的多孔填料简化??壁面覆盖有生物膜的平行平板通道，建立了一个净化低浓度有机废气的理论模型。