Mathematical Modelling of In-sewer Processes as a Tool for SewerSystem Design

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Abstract

The objective of this paper is to evaluate the potential impact of in-sewerprocesses (COD components transformation and hydrogen sulphide production) on thedesign of sewer systems. The tool used for such analysis is a mathematical model derivedfrom the WATS model (Wastewater Aerobic/anaerobic Transformation in Sewers) able todescribe the processes occurring in the sewer system both under aerobic and anaerobicconditions. The model is applied to three synthetic catchments with, respectively, 10,000,50,000 and 250,000 inhabitants connected to gravity sewer systems different in terms oftype (separate or combined), slope, length, travel time, wastewater temperature. Thesimulation results enable to assess the effect of the in sewer transformations in terms ofhydrogen sulphide formation and transformation of the biodegradable organic matter that isnecessary for biological nutrients removal at the WWTP.
Lingua originaleEnglish
Pagine961-964
Numero di pagine4
Stato di pubblicazionePublished - 2018

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modeling
wastewater
hydrogen sulfide
travel time
sulfide
catchment
gravity
organic matter
temperature
analysis
nutrient removal
inhabitant
effect

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title = "Mathematical Modelling of In-sewer Processes as a Tool for SewerSystem Design",
abstract = "The objective of this paper is to evaluate the potential impact of in-sewerprocesses (COD components transformation and hydrogen sulphide production) on thedesign of sewer systems. The tool used for such analysis is a mathematical model derivedfrom the WATS model (Wastewater Aerobic/anaerobic Transformation in Sewers) able todescribe the processes occurring in the sewer system both under aerobic and anaerobicconditions. The model is applied to three synthetic catchments with, respectively, 10,000,50,000 and 250,000 inhabitants connected to gravity sewer systems different in terms oftype (separate or combined), slope, length, travel time, wastewater temperature. Thesimulation results enable to assess the effect of the in sewer transformations in terms ofhydrogen sulphide formation and transformation of the biodegradable organic matter that isnecessary for biological nutrients removal at the WWTP.",
keywords = "Aerobic/anaerobic conditions, Biological nutrients remova, Sewer, Wastewater transformations",
author = "Gaspare Viviani and Giorgio Mannina",
year = "2018",
language = "English",
pages = "961--964",

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TY - CONF

T1 - Mathematical Modelling of In-sewer Processes as a Tool for SewerSystem Design

AU - Viviani, Gaspare

AU - Mannina, Giorgio

PY - 2018

Y1 - 2018

N2 - The objective of this paper is to evaluate the potential impact of in-sewerprocesses (COD components transformation and hydrogen sulphide production) on thedesign of sewer systems. The tool used for such analysis is a mathematical model derivedfrom the WATS model (Wastewater Aerobic/anaerobic Transformation in Sewers) able todescribe the processes occurring in the sewer system both under aerobic and anaerobicconditions. The model is applied to three synthetic catchments with, respectively, 10,000,50,000 and 250,000 inhabitants connected to gravity sewer systems different in terms oftype (separate or combined), slope, length, travel time, wastewater temperature. Thesimulation results enable to assess the effect of the in sewer transformations in terms ofhydrogen sulphide formation and transformation of the biodegradable organic matter that isnecessary for biological nutrients removal at the WWTP.

AB - The objective of this paper is to evaluate the potential impact of in-sewerprocesses (COD components transformation and hydrogen sulphide production) on thedesign of sewer systems. The tool used for such analysis is a mathematical model derivedfrom the WATS model (Wastewater Aerobic/anaerobic Transformation in Sewers) able todescribe the processes occurring in the sewer system both under aerobic and anaerobicconditions. The model is applied to three synthetic catchments with, respectively, 10,000,50,000 and 250,000 inhabitants connected to gravity sewer systems different in terms oftype (separate or combined), slope, length, travel time, wastewater temperature. Thesimulation results enable to assess the effect of the in sewer transformations in terms ofhydrogen sulphide formation and transformation of the biodegradable organic matter that isnecessary for biological nutrients removal at the WWTP.

KW - Aerobic/anaerobic conditions

KW - Biological nutrients remova

KW - Sewer

KW - Wastewater transformations

UR - http://hdl.handle.net/10447/330253

M3 - Other

SP - 961

EP - 964

ER -