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Master's Dissertation
DOI
https://doi.org/10.11606/D.3.1998.tde-15082022-145806
Document
Author
Full name
Renato Carlos Zambon
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 1998
Supervisor
Committee
Morita, Dione Mari (President)
Ferreira Filho, Sidney Seckler
Mancuso, Pedro Caetano Sanches
Title in Portuguese
Influência das condições hidrodinâmicas na remoção de compostos orgânicos voláteis em arraste por ar difuso.
Keywords in Portuguese
Arraste com ar difuso
Compostos orgânicos voláteis
Abstract in Portuguese
Este estudo foi desenvolvido com o objetivo de avaliar a influência do gradiente médio de velocidades na transferência de oxigênio da fase gasosa para a fase líquida. Confirmada esta influência através de ensaios de laboratório, propôs-se um modelo de transferência de compostos orgânicos voláteis considerando o grau de turbulência. Este foi calibrado com os resultados de ensaios de transferência de oxigênio, realizados em uma instalação de arraste com ar difuso. Nas simulações com o modelo observou-se também a complexidade das relações entre os diversos parâmetros envolvidos, destacando-se uma variação significativa do fluxo de massa por unidade de área ao longo da profundidade.
Title in English
Influence of hydrodynamic conditions on the organic compounds removal in air stripping units.
Keywords in English
Air stripping
Volatile organic compounds
Abstract in English
The purpose of this study was to evaluate the influence of the mean gradiente velocity in the oxygen transfer from gas phase to liquid phase. Once this influence was confirmed from the bench scale data it was proposed a mass transfer modelo f volatile organic compounds considering the turbulence effects. This model was calibrated with oxygen transfer data obtained from the air diffused pilot plant. Based on the simulation it was observed the complexity between the variables envolved in the mass transfer process, mainly the influence of mass transfer flux per unit area along the depth.
 
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Publishing Date
2022-08-15
 
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