污泥厌氧消化产生的短链脂肪酸可以为污水生物脱氮除磷工艺提供碳源，也可以作为底物合成聚羟基脂肪酸酯，同时实现污泥资源化。介绍了促进城市剩余污泥厌氧发酵产生短链脂肪酸的物理和化学预处理方法，说明了这些技术促进剩余污泥厌氧发酵产酸的机理，并综述了联合预处理方法的研究进展，为剩余污泥预处理技术在工程中应用提供技术指导。

Short-chain fatty acids produced by anaerobic digestion of sludge can provide carbon source for the biological process to remove nitrogen and phosphorus from sewage, and can also be used as substrate to synthesize polyhydroxyalkanoates.Physical and chemical pretreatment methods to promote the production of short-chain fatty acids by the anaerobic fermentation of urban waste activated sludge are introduced, and the mechanism of these methods is described.Research progress on the combined pretreatment methods is reviewed.In a sum, this review aims to provide technical guidance for the application of the pretreatment technology of waste activated sludge in practical engineering.

曹媛(1995-),女,硕士研究生,研究方向为污泥资源化技术,451326864@qq.com