Treatment of waste water rich in nutrients
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United States of America Patent
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-
Jan 15, 1980
Grant Date -
N/A
app pub date -
Sep 11, 1978
filing date -
Sep 12, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Newly isolated polysaccharide assimilating yeasts are added to a waste water rich in nutrients thereby making such yeasts assimilate nutrients, so that B.O.D. of the waste water is efficiently decreased. Among the polysaccharide assimilating yeasts, ellipsoideus YS-1, FERM-P No. 4498, in particular, can decompose and assimilate sulfurous acid, starch and protein at once, and therefore the B.O.D. of the waste water from starch production plants can be considerably decreased.
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