Development, identification and validation of a mathematical model of anaerobic digestion of sewage sludge focusing on H2S formation and transfer

F. Carrera-Chapela; A. Donoso-Bravo; D. Jeison; I. Díaz; J. A. Gonzalez; G. Ruiz-Filippi

doi:10.1016/j.bej.2016.03.008

Development, identification and validation of a mathematical model of anaerobic digestion of sewage sludge focusing on H₂S formation and transfer

F. Carrera-Chapela, A. Donoso-Bravo, D. Jeison, I. Díaz, J. A. Gonzalez, G. Ruiz-Filippi

Research output: Contribution to journal › Article › peer-review

27 Scopus citations

Abstract

Nowadays, there are plenty of models of the anaerobic digestion process, however the impact of this odor emission on these models has received very little attention. Hydrogen sulfide (H₂S) has been used as odor trace marker for odor dispersion studies which is formed by microbial action of sulfate reducing bacteria under anaerobic conditions. A mathematical model with focus on the H₂S generation with a reduce number of parameters of five stages was developed. The model and parameters were calibrated and validated with experimental data from two pilot scale anaerobic reactors treating sewage sludge. The developed model is able to describe properly the dynamic behavior of this system, particularly, its gas phase composition with an accuracy of 90%, for hydrogen sulfide and carbon dioxide, and 60% for methane, within 99% of confidence.

Original language	English
Pages (from-to)	13-19
Number of pages	7
Journal	Biochemical Engineering Journal
Volume	112
DOIs	https://doi.org/10.1016/j.bej.2016.03.008
State	Published - 15 Aug 2016
Externally published	Yes

Keywords

Anaerobic processes
Biogas
Dynamic modelling
Dynamic simulation
Modelling
Waste-water treatment

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10.1016/j.bej.2016.03.008

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title = "Development, identification and validation of a mathematical model of anaerobic digestion of sewage sludge focusing on H2S formation and transfer",

abstract = "Nowadays, there are plenty of models of the anaerobic digestion process, however the impact of this odor emission on these models has received very little attention. Hydrogen sulfide (H2S) has been used as odor trace marker for odor dispersion studies which is formed by microbial action of sulfate reducing bacteria under anaerobic conditions. A mathematical model with focus on the H2S generation with a reduce number of parameters of five stages was developed. The model and parameters were calibrated and validated with experimental data from two pilot scale anaerobic reactors treating sewage sludge. The developed model is able to describe properly the dynamic behavior of this system, particularly, its gas phase composition with an accuracy of 90%, for hydrogen sulfide and carbon dioxide, and 60% for methane, within 99% of confidence.",

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author = "F. Carrera-Chapela and A. Donoso-Bravo and D. Jeison and I. D{\'i}az and Gonzalez, {J. A.} and G. Ruiz-Filippi",

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T1 - Development, identification and validation of a mathematical model of anaerobic digestion of sewage sludge focusing on H2S formation and transfer

AU - Carrera-Chapela, F.

AU - Donoso-Bravo, A.

AU - Jeison, D.

AU - Díaz, I.

AU - Gonzalez, J. A.

AU - Ruiz-Filippi, G.

PY - 2016/8/15

Y1 - 2016/8/15

N2 - Nowadays, there are plenty of models of the anaerobic digestion process, however the impact of this odor emission on these models has received very little attention. Hydrogen sulfide (H2S) has been used as odor trace marker for odor dispersion studies which is formed by microbial action of sulfate reducing bacteria under anaerobic conditions. A mathematical model with focus on the H2S generation with a reduce number of parameters of five stages was developed. The model and parameters were calibrated and validated with experimental data from two pilot scale anaerobic reactors treating sewage sludge. The developed model is able to describe properly the dynamic behavior of this system, particularly, its gas phase composition with an accuracy of 90%, for hydrogen sulfide and carbon dioxide, and 60% for methane, within 99% of confidence.

AB - Nowadays, there are plenty of models of the anaerobic digestion process, however the impact of this odor emission on these models has received very little attention. Hydrogen sulfide (H2S) has been used as odor trace marker for odor dispersion studies which is formed by microbial action of sulfate reducing bacteria under anaerobic conditions. A mathematical model with focus on the H2S generation with a reduce number of parameters of five stages was developed. The model and parameters were calibrated and validated with experimental data from two pilot scale anaerobic reactors treating sewage sludge. The developed model is able to describe properly the dynamic behavior of this system, particularly, its gas phase composition with an accuracy of 90%, for hydrogen sulfide and carbon dioxide, and 60% for methane, within 99% of confidence.

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KW - Biogas

KW - Dynamic modelling

KW - Dynamic simulation

KW - Modelling

KW - Waste-water treatment

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JO - Biochemical Engineering Journal

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Development, identification and validation of a mathematical model of anaerobic digestion of sewage sludge focusing on H₂S formation and transfer

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Keywords

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