Continuous Decolorization of Molasses Waste Water Using Immobilized Lactobacillus hilgardii Cells(Microbiology & Fermentation Industry)

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The continuous decolorization of molasses waste water (MWW) by immobilized cells of Lactobacillus hilgardii W-NS was studied. The immobilized showed the maximal decolorization yield in the presence of 1% glucose with a medium pH 5.0 at 45℃. On successive decolorization of MWW, with recycking of the immobilized cells, more than 90% of the maximal decolorization yield was maintained for one month when 0.05% peptone was added to MWW. In contrast, on continuous decolorization in a column type reactor, a sufficient decolorization yield could not be maintained, the decolorization yield dropping to half the maximall level during operation for 5 days. But the feeding of MWW adjusted to hte pH of 7.3, compared with the maximal pH value (5.0), slowed down the decrease in the decolorization yield.
社団法人日本農芸化学会の論文
1988-10-23