Total phosphorus and total Kjeldahl nitrogen removal using an aerobic granular sludge process. Case studies ANN and RSM modeling

• Autorzy: Sanchez-Sanchez Celina , Flores-Gomez Jean , Moeller-Chávez Gabriela , Morales-Rivera Juan

Identyfikatory

DOI

10.37190/epe240107

• Języki publikacji: EN

Abstrakty

EN

Removing nutrients from wastewater is essential because high concentrations in aquatic systems lead to severe eutrophication problems, the most common impairment of surface waters such as lakes and oceans. Total phosphorus (TP) and total Kjeldahl nitrogen (TKN) were removed from mixed wastewater using an aerobic granular sludge process in a sequencing batch reactor (AGS-SBR). An artificial neural network (ANN) and response surface methodology (RSM) were applied to evaluate the main parameters of the process. For TKN removal, only cycle time (CT) (0.0475) was a significant variable, achieving removal efficiencies of up to 81%. In TP case removal, two parameters, VER and AR, were substantial for this process, completing elimination efficiencies of around 40%. On comparing the models with statistical indices, ANN coupled with the moth-flame optimization algorithm (ANN-MFO) demonstrated higher performance with an adjusted R2 (0.9866) for the case of TP removal and (0.9519) for TKN removal.

Słowa kluczowe

EN

activated sludge process; batch reactor; surface waters; nitrogen; neural network

PL

proces osadu czynnego; reaktor wsadowy; wody powierzchniowe; azot; sieć neuronowa

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2024
• Tom: Vol. 50, nr 1
• Strony: 123--137
• Opis fizyczny: Bibliogr. 25 poz., rys., tab.

Twórcy

autor

Sanchez-Sanchez Celina

• Department of Civil and Environmental Engineering, Engineering School, Universidad de las Américas Puebla, Sta. Catarina Mártir, San Andrés Cholula, Puebla 72810, México

• https://orcid.org/0000-0001-8434-4190

autor

Flores-Gomez Jean

• Department of Water and Energy, CUTonalá Universidad de Guadalajara, Av. Nuevo Periférico No. 555, Ejido San José Tateposco Campus Tonalá, Jalisco 45425, México

• https://orcid.org/0009-0008-0040-5100

autor

Moeller-Chávez Gabriela

• Department of Environmental Engineering. Universidad Politécnica del Estado de Morelos, Jiutepec, Morelos 62550, México

• https://orcid.org/0000-0001-9514-5226

autor

Morales-Rivera Juan

• Department of Water and Energy, CUTonalá Universidad de Guadalajara, Av. Nuevo Periférico No. 555, Ejido San José Tateposco Campus Tonalá, Jalisco 45425, México

• https://orcid.org/0000-0003-0682-5102

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