Hydrodynamic and tray efficiency behavior in parastillation column

Detalhes bibliográficos
Autor(a) principal: Belincanta,J.
Data de Publicação: 2006
Outros Autores: Ravagnani,T. M. Kakuta, Pereira,J. A. F.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Brazilian Journal of Chemical Engineering
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322006000100015
Resumo: This work presents aspects of the parastillation process, which employs a unique distillation column where the vapor stream is divided into two equal parts and the falling liquid is alternately in contact with both vapor parts on a stage-by-stage basis. A laboratory-scale apparatus was used to study the parastillation column. Experiments were carried out under total and partial reflux conditions using an ethanol-water system. Experiments were conducted to analyze the effects of vapor flow rate and initial ethanol concentration in the reboiler on the hydrodynamic conditions. Limiting operating conditions were defined. Murphree separation efficiencies were calculated and discussed.
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spelling Hydrodynamic and tray efficiency behavior in parastillation columnParastillationHydrodynamicsMurphree efficiencyThis work presents aspects of the parastillation process, which employs a unique distillation column where the vapor stream is divided into two equal parts and the falling liquid is alternately in contact with both vapor parts on a stage-by-stage basis. A laboratory-scale apparatus was used to study the parastillation column. Experiments were carried out under total and partial reflux conditions using an ethanol-water system. Experiments were conducted to analyze the effects of vapor flow rate and initial ethanol concentration in the reboiler on the hydrodynamic conditions. Limiting operating conditions were defined. Murphree separation efficiencies were calculated and discussed.Brazilian Society of Chemical Engineering2006-03-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322006000100015Brazilian Journal of Chemical Engineering v.23 n.1 2006reponame:Brazilian Journal of Chemical Engineeringinstname:Associação Brasileira de Engenharia Química (ABEQ)instacron:ABEQ10.1590/S0104-66322006000100015info:eu-repo/semantics/openAccessBelincanta,J.Ravagnani,T. M. KakutaPereira,J. A. F.eng2006-07-10T00:00:00Zoai:scielo:S0104-66322006000100015Revistahttps://www.scielo.br/j/bjce/https://old.scielo.br/oai/scielo-oai.phprgiudici@usp.br||rgiudici@usp.br1678-43830104-6632opendoar:2006-07-10T00:00Brazilian Journal of Chemical Engineering - Associação Brasileira de Engenharia Química (ABEQ)false
dc.title.none.fl_str_mv Hydrodynamic and tray efficiency behavior in parastillation column
title Hydrodynamic and tray efficiency behavior in parastillation column
spellingShingle Hydrodynamic and tray efficiency behavior in parastillation column
Belincanta,J.
Parastillation
Hydrodynamics
Murphree efficiency
title_short Hydrodynamic and tray efficiency behavior in parastillation column
title_full Hydrodynamic and tray efficiency behavior in parastillation column
title_fullStr Hydrodynamic and tray efficiency behavior in parastillation column
title_full_unstemmed Hydrodynamic and tray efficiency behavior in parastillation column
title_sort Hydrodynamic and tray efficiency behavior in parastillation column
author Belincanta,J.
author_facet Belincanta,J.
Ravagnani,T. M. Kakuta
Pereira,J. A. F.
author_role author
author2 Ravagnani,T. M. Kakuta
Pereira,J. A. F.
author2_role author
author
dc.contributor.author.fl_str_mv Belincanta,J.
Ravagnani,T. M. Kakuta
Pereira,J. A. F.
dc.subject.por.fl_str_mv Parastillation
Hydrodynamics
Murphree efficiency
topic Parastillation
Hydrodynamics
Murphree efficiency
description This work presents aspects of the parastillation process, which employs a unique distillation column where the vapor stream is divided into two equal parts and the falling liquid is alternately in contact with both vapor parts on a stage-by-stage basis. A laboratory-scale apparatus was used to study the parastillation column. Experiments were carried out under total and partial reflux conditions using an ethanol-water system. Experiments were conducted to analyze the effects of vapor flow rate and initial ethanol concentration in the reboiler on the hydrodynamic conditions. Limiting operating conditions were defined. Murphree separation efficiencies were calculated and discussed.
publishDate 2006
dc.date.none.fl_str_mv 2006-03-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322006000100015
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322006000100015
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S0104-66322006000100015
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Brazilian Society of Chemical Engineering
publisher.none.fl_str_mv Brazilian Society of Chemical Engineering
dc.source.none.fl_str_mv Brazilian Journal of Chemical Engineering v.23 n.1 2006
reponame:Brazilian Journal of Chemical Engineering
instname:Associação Brasileira de Engenharia Química (ABEQ)
instacron:ABEQ
instname_str Associação Brasileira de Engenharia Química (ABEQ)
instacron_str ABEQ
institution ABEQ
reponame_str Brazilian Journal of Chemical Engineering
collection Brazilian Journal of Chemical Engineering
repository.name.fl_str_mv Brazilian Journal of Chemical Engineering - Associação Brasileira de Engenharia Química (ABEQ)
repository.mail.fl_str_mv rgiudici@usp.br||rgiudici@usp.br
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