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Effects of different nickel species on autotrophic denitrification driven by thiosulfate in batch tests and a fluidized-bed reactor

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Effects of different nickel species on autotrophic denitrification driven by thiosulfate in batch tests and a fluidized-bed reactor. / Di Capua, Francesco; Milone, Ivana; Lakaniemi, Aino-Maija; Hullebusch, Eric D.van; Lens, Piet N.L.; Esposito, Giovanni.

julkaisussa: Bioresource Technology, Vuosikerta 238, 01.08.2017, s. 534-541.

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Di Capua, F, Milone, I, Lakaniemi, A-M, Hullebusch, EDV, Lens, PNL & Esposito, G 2017, 'Effects of different nickel species on autotrophic denitrification driven by thiosulfate in batch tests and a fluidized-bed reactor', Bioresource Technology, Vuosikerta. 238, Sivut 534-541. https://doi.org/10.1016/j.biortech.2017.04.082

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Author

Di Capua, Francesco ; Milone, Ivana ; Lakaniemi, Aino-Maija ; Hullebusch, Eric D.van ; Lens, Piet N.L. ; Esposito, Giovanni. / Effects of different nickel species on autotrophic denitrification driven by thiosulfate in batch tests and a fluidized-bed reactor. Julkaisussa: Bioresource Technology. 2017 ; Vuosikerta 238. Sivut 534-541.

Bibtex - Lataa

@article{1b6044120d614c6397ff798c23f2af81,
title = "Effects of different nickel species on autotrophic denitrification driven by thiosulfate in batch tests and a fluidized-bed reactor",
abstract = "Nickel is a common heavy metal and often occurs with nitrate (NO3 −) in effluents from mining and metal-finishing industry. The present study investigates the effects of increasing concentrations (5–200 mg Ni/L) of NiEDTA2− and NiCl2 on autotrophic denitrification with thiosulfate (S2O3 2−) in batch tests and a fluidized-bed reactor (FBR). In batch bioassays, 50 and 100 mg Ni/L of NiEDTA2− only increased the transient accumulation of NO2 −, whereas 25–100 mg Ni/L of NiCl2 inhibited denitrification by 9–19{\%}. NO3 − and NO2 − were completely removed in the FBR at feed NiEDTA2− and NiCl2 concentrations as high as 100 and 200 mg Ni/L, respectively. PCR-DGGE revealed the dominance of Thiobacillus denitrificans and the presence of the sulfate-reducing bacterium Desulfovibrio putealis in the FBR microbial community at all feed nickel concentrations investigated. Nickel mass balance, thermodynamic modeling and solid phase characterization indicated that nickel sulfide, phosphate and oxide precipitated in the FBR during NiCl2 injection.",
keywords = "Autotrophic denitrification, EDTA, Fluidized-bed reactor, Nickel, Thiosulfate",
author = "{Di Capua}, Francesco and Ivana Milone and Aino-Maija Lakaniemi and Hullebusch, {Eric D.van} and Lens, {Piet N.L.} and Giovanni Esposito",
note = "INT=keb,{"}Di Capua, Fransesco{"}",
year = "2017",
month = "8",
day = "1",
doi = "10.1016/j.biortech.2017.04.082",
language = "English",
volume = "238",
pages = "534--541",
journal = "Bioresource Technology",
issn = "0960-8524",
publisher = "ELSEVIER SCI LTD",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - Effects of different nickel species on autotrophic denitrification driven by thiosulfate in batch tests and a fluidized-bed reactor

AU - Di Capua, Francesco

AU - Milone, Ivana

AU - Lakaniemi, Aino-Maija

AU - Hullebusch, Eric D.van

AU - Lens, Piet N.L.

AU - Esposito, Giovanni

N1 - INT=keb,"Di Capua, Fransesco"

PY - 2017/8/1

Y1 - 2017/8/1

N2 - Nickel is a common heavy metal and often occurs with nitrate (NO3 −) in effluents from mining and metal-finishing industry. The present study investigates the effects of increasing concentrations (5–200 mg Ni/L) of NiEDTA2− and NiCl2 on autotrophic denitrification with thiosulfate (S2O3 2−) in batch tests and a fluidized-bed reactor (FBR). In batch bioassays, 50 and 100 mg Ni/L of NiEDTA2− only increased the transient accumulation of NO2 −, whereas 25–100 mg Ni/L of NiCl2 inhibited denitrification by 9–19%. NO3 − and NO2 − were completely removed in the FBR at feed NiEDTA2− and NiCl2 concentrations as high as 100 and 200 mg Ni/L, respectively. PCR-DGGE revealed the dominance of Thiobacillus denitrificans and the presence of the sulfate-reducing bacterium Desulfovibrio putealis in the FBR microbial community at all feed nickel concentrations investigated. Nickel mass balance, thermodynamic modeling and solid phase characterization indicated that nickel sulfide, phosphate and oxide precipitated in the FBR during NiCl2 injection.

AB - Nickel is a common heavy metal and often occurs with nitrate (NO3 −) in effluents from mining and metal-finishing industry. The present study investigates the effects of increasing concentrations (5–200 mg Ni/L) of NiEDTA2− and NiCl2 on autotrophic denitrification with thiosulfate (S2O3 2−) in batch tests and a fluidized-bed reactor (FBR). In batch bioassays, 50 and 100 mg Ni/L of NiEDTA2− only increased the transient accumulation of NO2 −, whereas 25–100 mg Ni/L of NiCl2 inhibited denitrification by 9–19%. NO3 − and NO2 − were completely removed in the FBR at feed NiEDTA2− and NiCl2 concentrations as high as 100 and 200 mg Ni/L, respectively. PCR-DGGE revealed the dominance of Thiobacillus denitrificans and the presence of the sulfate-reducing bacterium Desulfovibrio putealis in the FBR microbial community at all feed nickel concentrations investigated. Nickel mass balance, thermodynamic modeling and solid phase characterization indicated that nickel sulfide, phosphate and oxide precipitated in the FBR during NiCl2 injection.

KW - Autotrophic denitrification

KW - EDTA

KW - Fluidized-bed reactor

KW - Nickel

KW - Thiosulfate

U2 - 10.1016/j.biortech.2017.04.082

DO - 10.1016/j.biortech.2017.04.082

M3 - Article

VL - 238

SP - 534

EP - 541

JO - Bioresource Technology

JF - Bioresource Technology

SN - 0960-8524

ER -