Evaporators
Mostrando 13-17 de 17 artigos, teses e dissertações.
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13. Modelagem e simulação do processo de separação de oleo de soja-hexano por evaporação
Until the two first decades of century XX, the industrial extraction of oleaginosas were carried out exclusively by mechanical process. This process allow to extracted oil of very good quality, but it leads the left residues in the solid material (pie) to be very high, for example 5% for grains as of soy. Such residues besides implying in loss of oil, affect
Publicado em: 2003
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14. Modeling and simulation of direct contact evaporators
A dynamic model of a direct contact evaporator was developed and coupled to a recently developed superheated bubble model. The latter model takes into account heat and mass transfer during the bubble formation and ascension stages and is able to predict gas holdup in nonisothermal systems. The results of the coupled model, which does not have any adjustable
Brazilian Journal of Chemical Engineering. Publicado em: 2001-09
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15. ANÁLISE TEÓRICA E EXPERIMENTAL DE UM EVAPORADOR TIPO CASCO E SERPENTINA / ANÁLISIS TEÓRICO DY EXPERIMENTAL DE UN EVAPORADOR DE TIPO CASCO Y SERPENTINA / THEORETICAL AND EXPERIMENTAL STUDY OF A SHELL AND COIL EVAPORATOR
El presente trabajo discute el desarrollo de un modelo de simulación para evaporadores de tipo casco y serpentina, con aplicaciones para refrigeradores de agua. El modelo considera que el agente de intercambio de calor está divido en dos zonas: una de evaporación y otra de supercalentamiento. Por esto, se consideraron los diferentes mecanismos de transfer
Publicado em: 2001
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16. Pinch analysis of evaporation systems
Evaporation systems are separation processes widely used in chemical industries. Some guidelines can be found in the literature for the process integration of multiple effect evaporators. In the published methodologies some aspects are neglected as boiling point rise, effect of pressure on latent heat of water, sensible heat of liquid streams, heat of mixing
Brazilian Journal of Chemical Engineering. Publicado em: 2000-12
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17. Avaliação dos processos de concentração : do suco integral e do soro de tomate separado por centrifugação e posterior recombinação
No presente trabalho foi estudado, a nível de laboratório e planta piloto, o método o e separação centrífuga do soro e da polpa de tomate com concentração do soro e posterior recombinação com a polpa para obtenção de concentrado de tomate. As matérias-primas, utilizadas para os experimentos suco, suco parcialmente concentrado, purê e concentrad
Publicado em: 1992