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High rate autotrophic denitrification in fluidized-bed biofilm reactors

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High rate autotrophic denitrification in fluidized-bed biofilm reactors. / Zou, G.; Papirio, S.; Lakaniemi, A-M.; Ahoranta, S.H.; Puhakka, J.A.

In: Chemical Engineering Journal, Vol. 284, 2016, p. 1287-1294.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Zou, G, Papirio, S, Lakaniemi, A-M, Ahoranta, SH & Puhakka, JA 2016, 'High rate autotrophic denitrification in fluidized-bed biofilm reactors', Chemical Engineering Journal, vol. 284, pp. 1287-1294. https://doi.org/10.1016/j.cej.2015.09.074

APA

Zou, G., Papirio, S., Lakaniemi, A-M., Ahoranta, S. H., & Puhakka, J. A. (2016). High rate autotrophic denitrification in fluidized-bed biofilm reactors. Chemical Engineering Journal, 284, 1287-1294. https://doi.org/10.1016/j.cej.2015.09.074

Vancouver

Zou G, Papirio S, Lakaniemi A-M, Ahoranta SH, Puhakka JA. High rate autotrophic denitrification in fluidized-bed biofilm reactors. Chemical Engineering Journal. 2016;284:1287-1294. https://doi.org/10.1016/j.cej.2015.09.074

Author

Zou, G. ; Papirio, S. ; Lakaniemi, A-M. ; Ahoranta, S.H. ; Puhakka, J.A. / High rate autotrophic denitrification in fluidized-bed biofilm reactors. In: Chemical Engineering Journal. 2016 ; Vol. 284. pp. 1287-1294.

Bibtex - Download

@article{8e175fb787334701be30e7eac359c4b3,
title = "High rate autotrophic denitrification in fluidized-bed biofilm reactors",
abstract = "High rate, high efficiency thiosulfate-driven autotrophic denitrification and denitritation with Thiobacillus denitrificans dominated biofilms were achieved in fluidized-bed reactors (FBRs) operated at 20.0 ± 2.0 and 30.0 ± 0.2 °C. Complete nitrate removal was obtained even at nitrate loading rate and hydraulic retention time (HRT) of 600 mg L−1 h−1 and 10 min, respectively. Further decrease of HRT to 5 min resulted in 50{\%} of nitrate removal efficiency. Nitrite did not accumulate when nitrate was used as electron acceptor unless HRT was decreased to 5 min. Effluent pH remained at 5.8 during denitrification. When nitrite was supplemented as the electron acceptor, denitritation effectively proceeded with the highest nitrite loading rate of 228 mg L−1 h−1. Similar denitrification and denitritation performances were obtained at 20.0 ± 2.0 and 30.0 ± 0.2 °C. Batch assays conducted at temperature range from 1 to 46 °C, however, showed a significant impact of temperature on autotrophic denitrification. Ratkowsky model was used to estimate the minimum, optimal and maximum growth temperatures of T. denitrificans dominated culture that were below 1, 26.6 and 50.8 °C, respectively.",
author = "G. Zou and S. Papirio and A-M. Lakaniemi and S.H. Ahoranta and J.A. Puhakka",
year = "2016",
doi = "10.1016/j.cej.2015.09.074",
language = "English",
volume = "284",
pages = "1287--1294",
journal = "Chemical Engineering Journal",
issn = "1385-8947",
publisher = "Elsevier Science",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - High rate autotrophic denitrification in fluidized-bed biofilm reactors

AU - Zou, G.

AU - Papirio, S.

AU - Lakaniemi, A-M.

AU - Ahoranta, S.H.

AU - Puhakka, J.A.

PY - 2016

Y1 - 2016

N2 - High rate, high efficiency thiosulfate-driven autotrophic denitrification and denitritation with Thiobacillus denitrificans dominated biofilms were achieved in fluidized-bed reactors (FBRs) operated at 20.0 ± 2.0 and 30.0 ± 0.2 °C. Complete nitrate removal was obtained even at nitrate loading rate and hydraulic retention time (HRT) of 600 mg L−1 h−1 and 10 min, respectively. Further decrease of HRT to 5 min resulted in 50% of nitrate removal efficiency. Nitrite did not accumulate when nitrate was used as electron acceptor unless HRT was decreased to 5 min. Effluent pH remained at 5.8 during denitrification. When nitrite was supplemented as the electron acceptor, denitritation effectively proceeded with the highest nitrite loading rate of 228 mg L−1 h−1. Similar denitrification and denitritation performances were obtained at 20.0 ± 2.0 and 30.0 ± 0.2 °C. Batch assays conducted at temperature range from 1 to 46 °C, however, showed a significant impact of temperature on autotrophic denitrification. Ratkowsky model was used to estimate the minimum, optimal and maximum growth temperatures of T. denitrificans dominated culture that were below 1, 26.6 and 50.8 °C, respectively.

AB - High rate, high efficiency thiosulfate-driven autotrophic denitrification and denitritation with Thiobacillus denitrificans dominated biofilms were achieved in fluidized-bed reactors (FBRs) operated at 20.0 ± 2.0 and 30.0 ± 0.2 °C. Complete nitrate removal was obtained even at nitrate loading rate and hydraulic retention time (HRT) of 600 mg L−1 h−1 and 10 min, respectively. Further decrease of HRT to 5 min resulted in 50% of nitrate removal efficiency. Nitrite did not accumulate when nitrate was used as electron acceptor unless HRT was decreased to 5 min. Effluent pH remained at 5.8 during denitrification. When nitrite was supplemented as the electron acceptor, denitritation effectively proceeded with the highest nitrite loading rate of 228 mg L−1 h−1. Similar denitrification and denitritation performances were obtained at 20.0 ± 2.0 and 30.0 ± 0.2 °C. Batch assays conducted at temperature range from 1 to 46 °C, however, showed a significant impact of temperature on autotrophic denitrification. Ratkowsky model was used to estimate the minimum, optimal and maximum growth temperatures of T. denitrificans dominated culture that were below 1, 26.6 and 50.8 °C, respectively.

U2 - 10.1016/j.cej.2015.09.074

DO - 10.1016/j.cej.2015.09.074

M3 - Article

VL - 284

SP - 1287

EP - 1294

JO - Chemical Engineering Journal

JF - Chemical Engineering Journal

SN - 1385-8947

ER -