Composite support material for bacteria
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United States of America Patent
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Feb 22, 2011
Grant Date -
Aug 30, 2007
app pub date -
Dec 22, 2004
filing date -
Dec 22, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a composite material made of non-metallic inorganic grains and plastics particles. The composite material is particularly suitable as a carrier material for bacteria for use in sewage treatment plants. It is characterized by a large surface suitable for the colonization of bacteria and also by a density which allows the composite material to be suspended in the medium present in the sewage treatment plant. A further advantage of the composite material according to the invention is the property that due to the surface structure of the composite material adhering sludge and saturated bacteria can fall off its surface, and this thus allows regeneration of the material.
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