Method for biological purification of effluents using biofilm supporting particles
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United States of America Patent
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Jan 10, 2006
Grant Date -
May 6, 2004
app pub date -
Feb 15, 2002
filing date -
Feb 27, 2001
priority date (Note) -
Expired
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Abstract
The invention concerns a method for biological purification of effluents in mixed cultures using micro-organisms whereof part at least is fixed on solid supports. The invention is characterized in that said supports are activated so as to generate a turbulence in the reaction medium, the intensity of which is such that it reduces the production of biological sludge, the materials constituting said micro-organism supports being abraded and cleaned, while being retained in said reaction medium.
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