Kinetic modeling and microbiological study of two-step nitrification in a membrane bioreactor and hybrid moving bed biofilm reactor-membrane bioreactor for wastewater treatment

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Kinetic modeling and microbiological study of two-step nitrification in a membrane bioreactor and hybrid moving bed biofilm reactor-membrane bioreactor for wastewater treatment. / Leyva-Díaz, J. C.; González-Martínez, A.; González-López, J.; Muñío, M. M.; Poyatos, J. M.

In: Chemical Engineering Journal, Vol. 259, 01.01.2015, p. 692-702.

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Leyva-Díaz, J. C. ; González-Martínez, A. ; González-López, J. ; Muñío, M. M. ; Poyatos, J. M. / Kinetic modeling and microbiological study of two-step nitrification in a membrane bioreactor and hybrid moving bed biofilm reactor-membrane bioreactor for wastewater treatment. In: Chemical Engineering Journal. 2015 ; Vol. 259. pp. 692-702.

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@article{18cb736a51904ebf97960f0247588170,
title = "Kinetic modeling and microbiological study of two-step nitrification in a membrane bioreactor and hybrid moving bed biofilm reactor-membrane bioreactor for wastewater treatment",
abstract = "A membrane bioreactor (MBR), a hybrid moving bed biofilm reactor-membrane bioreactor (MBBR-MBR) containing carriers in the anoxic and aerobic zones of the bioreactor and a hybrid MBBR-MBR which contained carriers only in the aerobic zone were used in parallel with the same urban wastewater and compared. The reactors operated with a hydraulic retention time (HRT) of 9.5h. Kinetic parameters for heterotrophic and autotrophic biomasses, mainly ammonium-oxidizing bacteria (AOB) and nitrite-oxidizing bacteria (NOB), were evaluated and related to organic matter and nutrients removals. The microbial communities of each wastewater treatment plant (WWTP) were analyzed by 454 pyrosequencing methods to detect and quantify the contribution of nitrifying bacteria in the total bacterial community. All three systems showed similar performance in terms of pollutant removal although the hybrid MBBR-MBR containing carriers only in the aerobic zone of the bioreactor (WWTP 3) showed the best performance from the point of view of the kinetics of heterotrophic and nitrite-oxidizing bacteria, with values of μm,H=0.02665h-1, KM=8.88081mgO2L-1, μm,NOB=0.53690h-1 and KNOB=2.16702mgNL-1. It supported the efficiencies of chemical oxygen demand (COD) and total nitrogen (TN) removals and the concentrations of nitrite and nitrate in the different effluents.",
keywords = "Kinetic parameters, Membrane bioreactor, Moving bed biofilm reactor, Nitrogen removal, Two-step nitrification, Wastewater treatment",
author = "Leyva-D{\'i}az, {J. C.} and A. Gonz{\'a}lez-Mart{\'i}nez and J. Gonz{\'a}lez-L{\'o}pez and Mu{\~n}{\'i}o, {M. M.} and Poyatos, {J. M.}",
year = "2015",
month = "1",
day = "1",
doi = "10.1016/j.cej.2014.07.136",
language = "English",
volume = "259",
pages = "692--702",
journal = "Chemical Engineering Journal",
issn = "1385-8947",
publisher = "Elsevier Science",

}

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TY - JOUR

T1 - Kinetic modeling and microbiological study of two-step nitrification in a membrane bioreactor and hybrid moving bed biofilm reactor-membrane bioreactor for wastewater treatment

AU - Leyva-Díaz, J. C.

AU - González-Martínez, A.

AU - González-López, J.

AU - Muñío, M. M.

AU - Poyatos, J. M.

PY - 2015/1/1

Y1 - 2015/1/1

N2 - A membrane bioreactor (MBR), a hybrid moving bed biofilm reactor-membrane bioreactor (MBBR-MBR) containing carriers in the anoxic and aerobic zones of the bioreactor and a hybrid MBBR-MBR which contained carriers only in the aerobic zone were used in parallel with the same urban wastewater and compared. The reactors operated with a hydraulic retention time (HRT) of 9.5h. Kinetic parameters for heterotrophic and autotrophic biomasses, mainly ammonium-oxidizing bacteria (AOB) and nitrite-oxidizing bacteria (NOB), were evaluated and related to organic matter and nutrients removals. The microbial communities of each wastewater treatment plant (WWTP) were analyzed by 454 pyrosequencing methods to detect and quantify the contribution of nitrifying bacteria in the total bacterial community. All three systems showed similar performance in terms of pollutant removal although the hybrid MBBR-MBR containing carriers only in the aerobic zone of the bioreactor (WWTP 3) showed the best performance from the point of view of the kinetics of heterotrophic and nitrite-oxidizing bacteria, with values of μm,H=0.02665h-1, KM=8.88081mgO2L-1, μm,NOB=0.53690h-1 and KNOB=2.16702mgNL-1. It supported the efficiencies of chemical oxygen demand (COD) and total nitrogen (TN) removals and the concentrations of nitrite and nitrate in the different effluents.

AB - A membrane bioreactor (MBR), a hybrid moving bed biofilm reactor-membrane bioreactor (MBBR-MBR) containing carriers in the anoxic and aerobic zones of the bioreactor and a hybrid MBBR-MBR which contained carriers only in the aerobic zone were used in parallel with the same urban wastewater and compared. The reactors operated with a hydraulic retention time (HRT) of 9.5h. Kinetic parameters for heterotrophic and autotrophic biomasses, mainly ammonium-oxidizing bacteria (AOB) and nitrite-oxidizing bacteria (NOB), were evaluated and related to organic matter and nutrients removals. The microbial communities of each wastewater treatment plant (WWTP) were analyzed by 454 pyrosequencing methods to detect and quantify the contribution of nitrifying bacteria in the total bacterial community. All three systems showed similar performance in terms of pollutant removal although the hybrid MBBR-MBR containing carriers only in the aerobic zone of the bioreactor (WWTP 3) showed the best performance from the point of view of the kinetics of heterotrophic and nitrite-oxidizing bacteria, with values of μm,H=0.02665h-1, KM=8.88081mgO2L-1, μm,NOB=0.53690h-1 and KNOB=2.16702mgNL-1. It supported the efficiencies of chemical oxygen demand (COD) and total nitrogen (TN) removals and the concentrations of nitrite and nitrate in the different effluents.

KW - Kinetic parameters

KW - Membrane bioreactor

KW - Moving bed biofilm reactor

KW - Nitrogen removal

KW - Two-step nitrification

KW - Wastewater treatment

UR - http://www.scopus.com/inward/record.url?scp=84908636890&partnerID=8YFLogxK

U2 - 10.1016/j.cej.2014.07.136

DO - 10.1016/j.cej.2014.07.136

M3 - Article

VL - 259

SP - 692

EP - 702

JO - Chemical Engineering Journal

JF - Chemical Engineering Journal

SN - 1385-8947

ER -

ID: 8885648