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Use of an industrial effluent as a carbon source for denitrification of a high-strength wastewater.

Abstract : Denitrification of a high-strength synthetic wastewater (150 g NO- 3 l-1) was carried out using a wine distillery effluent as an example of an industrial carbon source (22.7 g chemical oxygen demand l-1). Two configurations were tested: one consisted of an acidogenesis reactor followed by a denitrifying reactor and the other was a single reactor directly fed with the raw effluents. In both cases, denitrification was achieved at a nitrate load of 9.54 g NO- 3 l-1 day-1 (2.19 g N as NO- 3 l-1 day-1) with good specific reduction rates: 32.6 mg and 35.2 mg N as NO x g volatile suspended solids h-1, calculated on a single day, for the two-step and the one-step process respectively. Dissimilatory nitrate reduction to ammonium did not occur, even in the one-step process.
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https://hal.inrae.fr/hal-02695502
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Submitted on : Monday, June 1, 2020 - 8:50:29 AM
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Nicolas Bernet, Frédéric Habouzit, René Moletta. Use of an industrial effluent as a carbon source for denitrification of a high-strength wastewater.. Applied Microbiology and Biotechnology, Springer Verlag, 1996, 46 (1), pp.92-97. ⟨hal-02695502⟩

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