Composite bacteria support medium
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United States of America Patent
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Mar 13, 1990
Grant Date -
N/A
app pub date -
Sep 12, 1988
filing date -
Sep 15, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A composite support medium for bacteria in sewage treatment plants comprises two intimately associated quantities of media having disparate surface area to volume ratios; in particular a core body of tangled plastics wire-like filaments welded together and having an area to volume ratio of from 60 to 80 square meters per cubic meter partly wrapped in a mat of tangled plastics textile type filaments welded together having an area to volume ratio of from 350 to 450 square meters per cubic meter.
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