Decolorization of Molasses Waste Water by a Thermophilic Strain,<i>Aspergillus fumigatus</i>G-2-6 Sadahiro
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説明
We screened for fungi that can decolorize molasses melanoidin in the tropical zone and isolated some strains, mainly in the genus Aspergillus. Of these, strain No. G-2–6 was most active and was identical with Aspergillus fumigatus based on detailed morphological studies.This strain decolorized about 75% of a molasses melanoidin solution when the strain was cultivated on a glycerol-peptone medium at 45°C for 3 days with shaking. In successive decolorization reusing the mycelia, this strain had more than 60% of the melanoidin-decolorizing activity at the eighth replacement in the presence of 4% glycerol.Continuous decolorization of molasses melanoidin solution in a jar fermentor had an almost constant decolorization yield of about 70% at a dilution rate of 0.014 hr-1. At the same time, about 51 % of the chemical oxygen demand and 56% of the total organic carbon in the initial solution were removed. In contrast, continuous decolorization of non-dialyzed molasses melanoidin solution removed a little more chem...
収録刊行物
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- Agricultural and Biological Chemistry
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Agricultural and Biological Chemistry 51 3339-3346, 1987-12-01
Oxford University Press (OUP)