METHOD FOR CONTROLLING START-UP OPERATING CONDITION BY SEEDING MICROORGANISM TO ANAEROBIC DIGESTER

摘要

PURPOSE: A method for controlling the initial operational condition is provided to maintain the concentration of microorganisms in the anaerobic digestion bath with a pre-determined range. CONSTITUTION: A method for controlling the initial operational condition includes the following: anaerobic digestion sludge or anaerobic microorganisms are injected into a digestion bath(S200). The pure alkali degree and the concentration of NH_4^+-N in the sludge supernatant liquid of the digestion bath is detected(S210). The amount of organic materials is calculated for adjusting the alkali degree and the concentration of NH_4^+-N(S220). The calculated amount of organic carbon source is injected into the digestion bath(S230). [Reference numerals] (AA) Start; (BB) End; (S200) Injecting anaerobic digestion sludge into a digestion bath; (S210) Detecting NH_4^+-N concentration and pure alkali degree from supernatant liquid of the digestion bath; (S220) Calculating the amount of organic materials for adjusting the alkali degree and the NH_4^+-N concentration with reference concentration; (S230) Additionally supplying the pre-determined amount of organic carbon sources corresponding to the amount of organic materials into the digestion bath; (S240) Reference concentration range after fermentation time; (S250) After additional fermentation time