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Title: Application of a model-based method for hydrodynamic processes in constructed wetland for the management of livestock wastewater based on finite elements method
Authors: Brito Espino, Saulo 
Mendieta Pino, Carlos Alberto 
Pérez-Baez, S. O. 
Ramos-Martín, A. 
UNESCO Clasification: 3308 Ingeniería y tecnología del medio ambiente
330810 Tecnología de aguas residuales
Keywords: Anaerobic-Digestion
Transport, et al
Issue Date: 2019
Journal: Desalination and Water Treatment 
Abstract: In this article, a mechanistic process-based model is developed, for accurate predictions of pig farms wastewater behavior in free water constructed wetlands. Twenty-six variables were considered in order to simulate the simultaneous hydraulic, physical, biochemical and physico-chemical characteristics of different processes that are happening in this system. The proposed model was developed by optimization of the advection-diffusion-reaction equations. For that, Stokes equations and the Anaerobic Digestion Model No. 1 were implemented. The mathematical analysis of the model involves the use of a numerical model, the finite element method, and flowchart-based strategy planning. Numerical simulation in a two-dimensional model using open access software (FreeFem++) are presented to demonstrate the dynamic behavior of the proposed prototype.
ISSN: 1944-3994
DOI: 10.5004/dwt.2019.23940
Source: Desalination And Water Treatment [ISSN 1944-3994], v. 152, p. 92-98
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