Decolorization of Molasses Waste Water by a Thermophilic Strain, Aspergillus fumigatus G-2-6(Microbiology & Fermentation Industry)

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This strain decolorized about 75% of a molasses melanoidin solution when the strain was cultivated on a glycerol-peptone medium at 45℃ 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 chemical oxygen demand and total organic carbon than those of dialyzed molasses melanoidin solution, but had a lower level of melanoidin-decolorizing activity (about 40%).
社団法人日本農芸化学会の論文
1987-12-23