Comparative study on swine manure digestion by EM and methane former bacterias
1996
Suriya Sawanon | Somchai Chantsavang (Kasetsart Univ., Bangkok (Thailand). Faculty of Agriculture. Dept. of Animal Science)
Study of swine manure digested by EM and Methane former bacteria was carried out in five 4.15 liters batch intermittently reactors. The experiment was assigned in RBD of 5 treatments which containing the control treatment (SM), swine manure added EM in start up (SM&EM), EM treated swine manure (EMSM), EM treated swine manure added sludge methane former in start up (EMSM&MF) and swine manure added sludge methane former in start up (SM&MF). Results of the study showed that SM&MF and EMSM&MF were not significant different in efficiencies of BOD, COD, TS and TVS removal. These two reactors had better efficiencies than the SM and SM&EM (P0.05). EMSM was found to have least efficiencies of BOD, COD, TS and TVS removal (p0.05). For total gas production per added organic weight and removal, EMSM&MF gave higher value than the SM and SM&MF (p0.05). EMSM was the least for total gas production per added organic weight and removal (p0.05). It was found that the SM and SM&MF were not significant different in methane content, the values of the two reactor were higher than those of EMSM&MF and SM&EM (p0.05) while EMSM gave the least for methane content (p0.05). Results of chemical analysis also showed that digested sludge contained high nutritive and fertilizer values.
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