Selection of microbial agent for fermenting sucrose filter mud

【Objective】Proper microbial agent for rapid decomposing treatment of sucrose filter mud was screened to provide references for industrial processing of sucrose filter mud and production of an efficient, safe, superior and novel bio-fertilizer. 【Method】Sucrose filter mud was decomposed in four treatments including EM living bacterium agent(A,valid viable count≥5.0×108CFU/mL), lime sludge biological fermentation powder(B,valid viable count≥5.0×108CFU/mL),BM fermentation powder(C,valid viable count 100.0×108CFU/g)and the control(no agent). Temperature, water, C, N, C/N and other parameters were measured to analyze microbe breeding ability and filter mud rotten degree in all treatments.【Result】In treatment A, B and C, 11 d was required for the pile temperature to reach 40.0 ℃, while 24 d was needed for the control to reach the same temperature. C/N of treatment A, B, C and the control was 23.43, 25.66, 20.71 and22.89, respectively. C/N of treatment C was greatly lower than that of the other treatments(P0.05). Humic acid of treatment A, B, C and the control was 19.8%, 19.1%, 20.2% and 12.6%, respectively. Humic acid of treatment A, B and C was extremely significantly higher than that of the control.(P0.01). 【Conclusion】Due to its superior parameters, BM fermentation powder should be the first choice for fermenting sucrose filter mud.