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Master's Dissertation
DOI
10.11606/D.74.2018.tde-24102018-122837
Document
Author
Full name
Valquiria Aparecida Fortunato
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
Pirassununga, 2018
Supervisor
Committee
Rabi, José Antonio (President)
Bastos, Reinaldo Gaspar
Caneppele, Fernando de Lima
Fuess, Lucas Tadeu
Title in Portuguese
Modelagem computacional de biorreatores de fluxo contínuo para tratamento e aproveitamento de efluentes agroindustriais
Keywords in Portuguese
Águas residuárias
Biossistemas agroindustriais
Modelagem matemática
Simulação numérica
Abstract in Portuguese
O tratamento de efluentes por digestão anaeróbia tem sido amplamente modelado via ADM1 (Anaerobic Digestion Model No. 1) desenvolvido pela IWA (International Water Association). Tal modelo é dinâmico de modo que concentrações das espécies químicas no interior do reator variam com o tempo, sendo matematicamente regidas por equações diferenciais ordinárias ou algébricas conforme a respectiva cinética química. Este trabalho teve como objetivo adaptar o modelo ADM1 para tratamento e posterior aproveitamento de efluentes agroindustriais, com interesse futuro ao tratamento anaeróbio da vinhaça de cana de açúcar. O presente trabalho considerou biorreatores contínuos de mistura perfeita (CSTR - Continuously Stirred Tank Reactor) e a solução numérica das equações governantes foi programada em linguagem Python. O modelo computacional implementado se mostrou aplicável e pode ser utilizado em demais pesquisas que se baseiam no modelo ADM1 de digestão anaeróbia para tratamento de efluentes agroindustriais, considerando possíveis adaptações devido à especificidade de cada tipo de efluente.
Title in English
Computational modelling of continuous flow reactors for agroindustrial effluent treatment and exploitation
Keywords in English
Agroindustrial biosystems
Mathematical modeling
Numerical simulation
Wastewater
Abstract in English
The wastewater treatment by anaerobic digestion has been extensively modelled by ADM1 (Anaerobic Digestion Model No. 1) developed by IWA (International Water Association). This model is dynamic so that chemical species concentrations within the reactor vary over time, being mathematically governed by either ordinary differential equations or algebraic equations according to their chemical kinetics. This research aimed at adapting the ADM1 model for treatment and subsequent use of agroindustrial effluents, with future interest in the anaerobic treatment of sugarcane vinasse. The present research considered Continuously Stirred Tank Reactor (CSTR) and the numerical solution of the governing equations was programmed in Python language. The computational model implemented was applicable and can be used in other studies that are based on the ADM1 model of anaerobic digestion for the treatment of agroindustrial effluents, considering possible adaptations due to the specificity of each type of efluente.
 
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ME9358180COR.pdf (3.89 Mbytes)
Publishing Date
2018-11-05
 
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