Based on examining and analysing samples of wastewater from a pig farm, the correlation between SS and COD was demonstrated, and the effect trend of SS on COD was discussed.

• 通过取样检测、实验分析,论证了养猪场废水中固体悬浮物(SS)含量与化学需氧量(COD)浓度的相关关系,讨论了SS对COD的影响趋势。