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Background
Anaerobic fermentation of waste activated sludge to produce short‐chain fatty acids (SCFAs) is one of the means of sludge resource utilization. However, the protective effect of the extracellular polymeric substances (EPS) structure contained in sludge flocs can lead to a slow hydrolysis process, which inhibits the production of SCFAs.
Results
In this study, a new step‐by‐step pretreatment...