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Query: UMLS:C0040822 (tremor)
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A degrading bacterial strain F-3-4 for 2,6-Di-tert-butylphenol (2,6-DTBP) was isolated from biofilm in acrylic fiber wastewater treatment structures. By acclimation, its capacity for degradation of 2,6-DTBP was enhanced by 26%. It was identified as Alcaligenes sp. according to morphological, physiological and biochemical characters. By tests in shaking flasks, the effects of the conditions of growth was studied, and it was determined that the optimum conditions of growth for the strain was 37 degrees C, pH 7.0 and inoculum amount 0.1%. Under these conditions, the kinetics of degradation for 2,6-DTBP of initial concentration 100 mg/L was studied, and the result indicated that the removal rate of 2,6-DTBP within 11 days was 62.4%, and the degradation process followed Eckenfelder kinetics. The half life of 2,6-DTBP was 9.38 days. The effect of initial concentration on degradation ability of the strain also was investigated. The results showed that the optimum initial concentration was 200 mg/L. When the initial concentrations were below it, the growth of strain and removal of 2,6-DTBP increased with the increase of initial concentration, while when above the value, they were inhibited.
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PMID:[The degradation characteristics of degrading bacterium of 2,6-di-tert-butylphenol]. 1532 63