Abstract
Experiments according to the current domestic situation of bio-treatment cooking fume, domesticated the activated sludge which taken from the oxidation ditch of the sewage treatment plant by using the simulated cooking fumes, discussed the concentration and morphology variation of activated sludge, researched the degradation ability of microorganism on cooking fume, the change of bacteria amount were studied in the whole process. Research showed that the sludge concentration decreased to 2878mg/L when the acclimatization time reached 50days; outlet and inlet oil concentration were consistent when the acclimatization time reached 30days while liquid fume concentration decreased to 8.436mg/L, the degradation rate of activated sludge on liquid fume was about 75% after 30 days; Microbial biomass increased first and then down become stable finally.
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