Biogenic Fe(II-III) Hydroxycarbonate Green Rust Enhances Nitrate Removal and Decreases Ammonium Selectivity during Heterotrophic Denitrification
Nitrification-denitrification is the most widely used nitrogen removal process in wastewater treatment. However, this process can lead to undesirable nitrite accumulation and subsequent ammonium production. Biogenic Fe(II-III) hydroxycarbonate green rust has recently emerged as a candidate to reduce...
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2020-09-01
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author | Georges Ona-Nguema Delphine Guerbois Céline Pallud Jessica Brest Mustapha Abdelmoula Guillaume Morin |
author_facet | Georges Ona-Nguema Delphine Guerbois Céline Pallud Jessica Brest Mustapha Abdelmoula Guillaume Morin |
author_sort | Georges Ona-Nguema |
collection | DOAJ |
description | Nitrification-denitrification is the most widely used nitrogen removal process in wastewater treatment. However, this process can lead to undesirable nitrite accumulation and subsequent ammonium production. Biogenic Fe(II-III) hydroxycarbonate green rust has recently emerged as a candidate to reduce nitrite without ammonium production under abiotic conditions. The present study investigated whether biogenic iron(II-III) hydroxycarbonate green rust could also reduce nitrite to gaseous nitrogen during bacterial nitrate reduction. Our results showed that biogenic iron(II-III) hydroxycarbonate green rust could efficiently decrease the selectivity of the reaction towards ammonium during heterotrophic nitrate reduction by native wastewater-denitrifying bacteria and by three different species of <i>Shewanella</i>: <i>S. putrefaciens</i> ATCC 12099, <i>S. putrefaciens</i> ATCC 8071 and <i>S. oneidensis</i> MR-1. Indeed, in the absence of biogenic hydroxycarbonate green rust, bacterial reduction of nitrate converted 11–42% of the initial nitrate into ammonium, but this value dropped to 1–28% in the presence of biogenic hydroxycarbonate green rust. Additionally, nitrite accumulation did not exceed the 2–13% in the presence of biogenic hydroxycarbonate green rust, versus 0–28% in its absence. Based on those results that enhance the extent of denitrification of about 60%, the study proposes a water treatment process that couples the bacterial nitrite production with the abiotic nitrite reduction by biogenic green rust. |
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spelling | doaj.art-b789f72dad9d4ebc87bb4ad70b12f4a92023-11-20T13:54:24ZengMDPI AGMinerals2075-163X2020-09-0110981810.3390/min10090818Biogenic Fe(II-III) Hydroxycarbonate Green Rust Enhances Nitrate Removal and Decreases Ammonium Selectivity during Heterotrophic DenitrificationGeorges Ona-Nguema0Delphine Guerbois1Céline Pallud2Jessica Brest3Mustapha Abdelmoula4Guillaume Morin5Faculté des Sciences et Ingénierie, Campus Pierre & Marie Curie, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), Sorbonne Université-CNRS UMR 7590-Muséum National d’Histoire Naturelle-IRD UMR 206, 4 place Jussieu, F-75005 Paris, FranceFaculté des Sciences et Ingénierie, Campus Pierre & Marie Curie, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), Sorbonne Université-CNRS UMR 7590-Muséum National d’Histoire Naturelle-IRD UMR 206, 4 place Jussieu, F-75005 Paris, FrancePolicy and Management, Department of Environmental Science, University of California, 130 Mulford Hall, MC 3114, Berkeley, CA 94720-3114, USAFaculté des Sciences et Ingénierie, Campus Pierre & Marie Curie, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), Sorbonne Université-CNRS UMR 7590-Muséum National d’Histoire Naturelle-IRD UMR 206, 4 place Jussieu, F-75005 Paris, FranceUniversité de Lorraine, CNRS, LCPME, F-54000 Nancy, FranceFaculté des Sciences et Ingénierie, Campus Pierre & Marie Curie, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), Sorbonne Université-CNRS UMR 7590-Muséum National d’Histoire Naturelle-IRD UMR 206, 4 place Jussieu, F-75005 Paris, FranceNitrification-denitrification is the most widely used nitrogen removal process in wastewater treatment. However, this process can lead to undesirable nitrite accumulation and subsequent ammonium production. Biogenic Fe(II-III) hydroxycarbonate green rust has recently emerged as a candidate to reduce nitrite without ammonium production under abiotic conditions. The present study investigated whether biogenic iron(II-III) hydroxycarbonate green rust could also reduce nitrite to gaseous nitrogen during bacterial nitrate reduction. Our results showed that biogenic iron(II-III) hydroxycarbonate green rust could efficiently decrease the selectivity of the reaction towards ammonium during heterotrophic nitrate reduction by native wastewater-denitrifying bacteria and by three different species of <i>Shewanella</i>: <i>S. putrefaciens</i> ATCC 12099, <i>S. putrefaciens</i> ATCC 8071 and <i>S. oneidensis</i> MR-1. Indeed, in the absence of biogenic hydroxycarbonate green rust, bacterial reduction of nitrate converted 11–42% of the initial nitrate into ammonium, but this value dropped to 1–28% in the presence of biogenic hydroxycarbonate green rust. Additionally, nitrite accumulation did not exceed the 2–13% in the presence of biogenic hydroxycarbonate green rust, versus 0–28% in its absence. Based on those results that enhance the extent of denitrification of about 60%, the study proposes a water treatment process that couples the bacterial nitrite production with the abiotic nitrite reduction by biogenic green rust.https://www.mdpi.com/2075-163X/10/9/818biogenic hydroxycarbonate green rustheterotrophic denitrification<i>Shewanella putrefaciens</i> ATCC 12099<i>Shewanella putrefaciens</i> ATCC 8071<i>Shewanella oneidensis</i> MR-1selectivity |
spellingShingle | Georges Ona-Nguema Delphine Guerbois Céline Pallud Jessica Brest Mustapha Abdelmoula Guillaume Morin Biogenic Fe(II-III) Hydroxycarbonate Green Rust Enhances Nitrate Removal and Decreases Ammonium Selectivity during Heterotrophic Denitrification Minerals biogenic hydroxycarbonate green rust heterotrophic denitrification <i>Shewanella putrefaciens</i> ATCC 12099 <i>Shewanella putrefaciens</i> ATCC 8071 <i>Shewanella oneidensis</i> MR-1 selectivity |
title | Biogenic Fe(II-III) Hydroxycarbonate Green Rust Enhances Nitrate Removal and Decreases Ammonium Selectivity during Heterotrophic Denitrification |
title_full | Biogenic Fe(II-III) Hydroxycarbonate Green Rust Enhances Nitrate Removal and Decreases Ammonium Selectivity during Heterotrophic Denitrification |
title_fullStr | Biogenic Fe(II-III) Hydroxycarbonate Green Rust Enhances Nitrate Removal and Decreases Ammonium Selectivity during Heterotrophic Denitrification |
title_full_unstemmed | Biogenic Fe(II-III) Hydroxycarbonate Green Rust Enhances Nitrate Removal and Decreases Ammonium Selectivity during Heterotrophic Denitrification |
title_short | Biogenic Fe(II-III) Hydroxycarbonate Green Rust Enhances Nitrate Removal and Decreases Ammonium Selectivity during Heterotrophic Denitrification |
title_sort | biogenic fe ii iii hydroxycarbonate green rust enhances nitrate removal and decreases ammonium selectivity during heterotrophic denitrification |
topic | biogenic hydroxycarbonate green rust heterotrophic denitrification <i>Shewanella putrefaciens</i> ATCC 12099 <i>Shewanella putrefaciens</i> ATCC 8071 <i>Shewanella oneidensis</i> MR-1 selectivity |
url | https://www.mdpi.com/2075-163X/10/9/818 |
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