Method for treating water within a sequential biological reactor including an in-line measurement of the nitrite concentration inside said reactor
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United States of America Patent
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Oct 27, 2015
Grant Date -
Oct 18, 2012
app pub date -
Nov 8, 2010
filing date -
Nov 20, 2009
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Abstract
The invention relates to a method for treating water laden with nitrogen in the form of ammonium by means of nitritation-denitritation, wherein said method includes at least: a first step (i) of supplying at least one sequential biological reactor (10) with said water; an aerated nitration step (ii); an anoxia denitritation step (iii); and a step (iv) of extracting treated water from said reactor. According to the invention, the method also includes the in-line measurement of the nitrite concentration of said water in said reactor, and at least one monitoring step of at least one step of the method, said monitoring step taking into account the results from said in-line measurement of the nitrite concentration.
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