Abstract:BACKGROUNDIncreasing the degradation ratio of organic matter is one of the key challenges for sludge anaerobic digestion. The conventional solution is by directly treating the raw sludge so as to enhance the sludge degradation. In contrast, the target of the present study was digested sludge enriching in refractory organic matter. The method proposed to improve the organic degradation of digested sludge uses ultrasound combined with linear alkylbenzene sulfonate (LAS) to control flocs re‐flocculation.RESULTSGa… Show more
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