Denitrification reactor with a fixed culture
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United States of America Patent
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Jun 24, 2008
Grant Date -
Aug 24, 2006
app pub date -
Jul 27, 2004
filing date -
Aug 1, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A denitrification reactor with a culture fixed to an organized plastic-type support is combined with an installation for the nitrification and elimination of the carbon-based pollution The reactor is supplied with a mixture of the raw effluent to be treated and of the effluent originating from the installation for the nitrification and elimination of the carbon-based pollution. The reactor includes two denitrification compartments (3, 4) arranged in parallel and operating altenatingly between a filling phase (denitrification and self cleaning-out of the excess biomass); and an emptying phase (denitrification and drainage of the excess biomass). A system for supplying the mixture of effluents consisting of a rotary arm (11) which alternately supplies the mixture to each of the compartments.
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